ISO 14920:2015 defines the procedure for thermal spraying of self-fluxing alloys that are simultaneously or subsequently fused to create a homogeneous, diffusion bonded coating.

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This document specifies the procedure for thermal spraying of self-fluxing alloys that are simultaneously or subsequently fused to create a homogeneous, diffusion-bonded coating.

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This document describes the procedure for the measurement of the feed rate for thermal spraying with spray materials in powder form in a production environment.
The application of this document is essential if information on the feed rate of a spray material in powder form is required when using a thermal spraying method.
It is applicable to any thermal spraying method using spray materials in powder form (see EN ISO 14917) where the technical installation used allows the spray powder to be fed through without an activated spray gun.
The determination of the feed rate is mandatory for the preparation of thermal spray procedure specifications in accordance with EN 17002 and the determination of the deposition efficiency in accordance with EN ISO 17836.

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This International Standard specifies the information to be supplied by the purchaser to the finisher, requirements
and test methods for electropolishing as a means of smoothing and passivating stainless steel alloys in the S2XXXX,
S3XXXX and S4XXXX series, and the precipitation hardened alloys (see ISO/TR 15510 for information on composition).

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This document describes the procedure for the measurement of the feed rate for thermal spraying with spray materials in powder form in a production environment.
The application of this document is essential if information on the feed rate of a spray material in powder form is required when using a thermal spraying method.
It is applicable to any thermal spraying method using spray materials in powder form (see EN ISO 14917) where the technical installation used allows the spray powder to be fed through without an activated spray gun.
The determination of the feed rate is mandatory for the preparation of thermal spray procedure specifications in accordance with EN 17002 and the determination of the deposition efficiency in accordance with EN ISO 17836.

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This document specifies the information to be supplied by the purchaser to the finisher, requirements and test methods for electropolishing as a means of smoothing and passivating stainless steel alloys in the S2XXXX, S3XXXX and S4XXXX series, and the precipitation hardened alloys (see ISO 15510 for information on composition).

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This document specifies the information to be supplied by the purchaser to the finisher, requirements and test methods for electropolishing as a means of smoothing and passivating stainless steel alloys in the S2XXXX, S3XXXX and S4XXXX series, and the precipitation hardened alloys (see ISO 15510 for information on composition).

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This document specifies quality requirements for manufacturers of thermal sprayed coatings to ensure quality assurance for activities in the field of production.
NOTE      It is independent of the availability of a quality management system, e.g. ISO 9001, ISO 14001 and ISO 45001, which concern the concept and organization of the quality management.
This document defines the quality requirements that are of importance for the manufacturing route.
This document is applicable to thermal spraying including all the pre- and post-treatments of the whole coating process for new parts, for repairs and maintenance (e.g. after service) at the workshop or on site.

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This document specifies methods for the measurement of specular reflectance and specular gloss of flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a narrow acceptance angle.
The methods described are intended mainly for use with clear anodized surfaces. They can be used with colour-anodized aluminium, but only with similar colours.

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This document specifies safety requirements of machines and equipment for thermal spraying, in this case of gas control units. This document is intended to be used in conjunction with Part 1, which deals with general aspects when designing, manufacturing, and/or putting in service of machines or equipment.
Generally the requirements of EU Directive 2014/34/EU are valid for the use of this document.

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This document specifies methods for the determination of
—    the presence of colourless chromate conversion coatings,
—    the presence of hexavalent chromium in colourless and coloured coatings on zinc or cadmium or aluminium-zinc (mass fraction of aluminium: 55 %, within a range of 54 % to 56 % mass fraction) and zinc-aluminium (mass fraction of aluminium: 5 %) alloys,
—    the total chromium content per unit area on zinc and cadmium,
—    the mass per unit area of both colourless and coloured coatings,
—    the satisfactory adhesion of chromate conversion coatings, and
—    the quality of chromate coatings.
These methods are applicable to
—    colourless and coloured chromate conversion coatings containing trivalent and hexavalent chromium in varying proportions and produced by either chemical or electrochemical processes, and
—    chromate coatings that are free from any supplementary coatings, such as oil, water or solvent-based polymers or wax.

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This document specifies a method for the measurement of the local thickness of metallic coatings, oxide layers, and porcelain or vitreous enamel coatings, by the microscopical examination of cross-sections using an optical microscope.

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on drawings.

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This document specifies a method for determining the thermal conductivity of ceramic top coat (TC) constituting thermal barrier coating (TBC) subjected to heat treatment, in a direction normal to the coating surface, from room temperature up to 1 000 °C.

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This document specifies quality requirements for manufacturers of thermal sprayed coatings to ensure quality assurance for activities in the field of production. NOTE It is independent of the availability of a quality management system, e.g. ISO 9001, ISO 14001 and ISO 45001, which concern the concept and organization of the quality management. This document defines the quality requirements that are of importance for the manufacturing route. This document is applicable to thermal spraying including all the pre- and post-treatments of the whole coating process for new parts, for repairs and maintenance (e.g. after service) at the workshop or on site.

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This document describes a method for assessing the performance of photocatalytic inorganic materials contained in cement mortars and/or limes or ceramic-based matrices, paints or materials deposited as thin films or coatings on a variety of substrates for the photocatalytic abatement of nitric oxide in the gas phase. This method is not suitable for the assessment of samples to be applied with flow perpendicular to the surface or flow permeating the surface itself as polymeric and paper filters, honeycomb structures and suchlike.
The performance for the photocatalytic sample under test is evaluated by measuring the degradation rate of nitric oxide (NO) using the method described herein. The photocatalytic abatement rate is calculated from the observed rate by eliminating the effects of mass transfer. The intrinsic photocatalytic abatement rate is an intrinsic property of the material tested and makes it possible to distinguish the photocatalytic activities of various products with an absolute scale defined with physical and engineering meaning.
For the measurements and calculations described in this document the concentration of nitrogen oxides (NOx) is defined as the stoichiometric sum of nitric oxide (NO) and nitrogen dioxide (NO2).

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This document specifies quality requirements for manufacturers of thermal sprayed coatings to ensure quality assurance for activities in the field of production. NOTE It is independent of the availability of a quality management system, e.g. ISO 9001, ISO 14001 and ISO 45001, which concern the concept and organization of the quality management. This document defines the quality requirements that are of importance for the manufacturing route. This document is applicable to thermal spraying including all the pre- and post-treatments of the whole coating process for new parts, for repairs and maintenance (e.g. after service) at the workshop or on site.

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This document specifies methods for the measurement of specular reflectance and specular gloss of
flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method
C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a
narrow acceptance angle.
The methods described are intended mainly for use with clear anodized surfaces. They can be used
with colour-anodized aluminium, but only with similar colours.

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This document specifies methods for the measurement of specular reflectance and specular gloss of flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a narrow acceptance angle. The methods described are intended mainly for use with clear anodized surfaces. They can be used with colour-anodized aluminium, but only with similar colours.

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This document specifies safety requirements of machines and equipment for thermal spraying, in this case of gas control units. This document should be used in conjunction with the Part 1 which deals with general aspects when designing, manufacturing, and/or putting in service of machines or equipment.
Generally the requirements of EU-Directive 2014/34/EU are valid for the use of this document.

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This document specifies a method for the measurement of the local thickness of metallic coatings, oxide
layers, and porcelain or vitreous enamel coatings, by the microscopical examination of cross-sections
using an optical microscope.

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This document specifies methods for the determination of
— the presence of colourless chromate conversion coatings,
— the presence of hexavalent chromium in colourless and coloured coatings on zinc or cadmium or
aluminium-zinc (mass fraction of aluminium: 55 %, within a range of 54 % to 56 % mass fraction)
and zinc-aluminium (mass fraction of aluminium: 5 %) alloys,
— the total chromium content per unit area on zinc and cadmium,
— the mass per unit area of both colourless and coloured coatings,
— the satisfactory adhesion of chromate conversion coatings, and
— the quality of chromate coatings.
These methods are applicable to
— colourless and coloured chromate conversion coatings containing trivalent and hexavalent
chromium in varying proportions and produced by either chemical or electrochemical processes,
and
— chromate coatings that are free from any supplementary coatings, such as oil, water or solventbased
polymers or wax.

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on
drawings.

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This document specifies requirements for hard anodic oxidation coatings on aluminium and its alloys, including test methods. It also specifies the information to be supplied by the customer to the anodizer (see Annex A). It is not applicable to coatings produced by processes such as those referred to as plasma electrolytic oxidation, micro-arc oxidation, plasma-chemical anodic oxidation, anodic spark deposition or spark anodizing.

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This document specifies a method for the measurement of the local thickness of metallic coatings, oxide layers, and porcelain or vitreous enamel coatings, by the microscopical examination of cross-sections using an optical microscope.

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This document specifies methods for the determination of — the presence of colourless chromate conversion coatings, — the presence of hexavalent chromium in colourless and coloured coatings on zinc or cadmium or aluminium-zinc (mass fraction of aluminium: 55 %, within a range of 54 % to 56 % mass fraction) and zinc-aluminium (mass fraction of aluminium: 5 %) alloys, — the total chromium content per unit area on zinc and cadmium, — the mass per unit area of both colourless and coloured coatings, — the satisfactory adhesion of chromate conversion coatings, and — the quality of chromate coatings. These methods are applicable to — colourless and coloured chromate conversion coatings containing trivalent and hexavalent chromium in varying proportions and produced by either chemical or electrochemical processes, and — chromate coatings that are free from any supplementary coatings, such as oil, water or solvent-based polymers or wax.

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on drawings.

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This document specifies a method for the determination of the surface abrasion resistance of anodic oxidation coatings produced by sulfuric acid anodizing of aluminium and its alloys. It is mainly intended for the evaluation of external architectural coatings. It is a production control method that relies to a large extent on operator experience and instruction.

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This document specifies the procedure for the determination of coating strength, and hence of cohesive strength in a tubular coating tensile test.
The test is intended to determine the tensile coating strength parallel to the spray layers (normal to the spray direction) and to identify differences in particle cohesion quality, as caused by defects as internal delamination at cracks or oxides between the spray particles or splats.
The tubular coating tensile test is suitable for sprayed coatings deposited using metallic materials (not carbides and ceramics).
The tubular coating tensile test is not suitable for fused sprayed coatings deposited using self-fluxing alloys.
The test supports quality assurance and is intended to be applied for the purpose of coating optimization by identifying the influences of coating parameters and spray materials on the coatings's quality. Furthermore, the coating in particular for cold sprayed coatings can be compared with the characteristics of similar solid materials and the coating's quality can be assessed.
This test is not recommended for thin coatings (coating thickness < 500 µm), since massive scattering of results is to be expected here. Due to the size of the specimen, it is particularly suitable to apply the tubular coating tensile test for coating processes that use a concentrated spray jet and a highly focused spray spot, as in the case of cold spraying, high velocity flame spraying (HVOF) or plasma spraying. Applying the tubular coating tensile test for coating processes that use a broad spray jet, such as flame spraying and arc spraying, may require special spraying measures, e.g. the use of a template to ensure a nearly vertical impingement angle.

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This document specifies a method for the determination of the surface abrasion resistance of anodic oxidation coatings produced by sulfuric acid anodizing of aluminium and its alloys. It is mainly intended for the evaluation of external architectural coatings. It is a production control method that relies to a large extent on operator experience and instruction.

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This document specifies a test method using electromotive force test apparatus for assessing the chemical resistance of anodic oxidation coatings on aluminium and its alloys.

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This document specifies the procedure for the determination of coating strength, and hence of cohesive strength in a tubular coating tensile test.
The test is intended to determine the tensile coating strength parallel to the spray layers (normal to the spray direction) and to identify differences in particle bond quality.
The tubular coating tensile test is suitable for sprayed coatings deposited using metallic materials (not carbides and ceramics).
The tubular coating tensile test is not suitable for fused sprayed coatings deposited using self fluxing alloys.
The test supports quality assurance and is intended to be applied for the purpose of coating optimisation by identifying the influences of coating parameters and spray materials on the coatings's quality. Furthermore, the coating in particular for cold sprayed coatings can be compared with the characteristics of similar solid materials and the coating's quality can be assessed.
This test is not recommended for thin coatings (coating thickness < 500 µm), since massive scattering of results is to be expected here. Due to the size of the specimens, it is particularly suitable to apply the tubular coating tensile test for coating processes that use a concentrated spray jet and a highly focused spray spot, as in the case of cold spraying, high velocity flame spraying (HVOF) or plasma spraying. Applying the tubular coating tensile test for coating processes that use a broad spray jet, such as flame spraying and arc spraying, may require special spraying measures, e.g. the use of a template to ensure a nearly vertical impingement angle.

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This document specifies a gravimetric method for determining the mass per unit area (surface density) of anodic oxidation coatings on aluminium and its alloys.
The method is applicable to all oxidation coatings formed by anodizing aluminium and its alloys, either cast or wrought, and is suitable for most aluminium alloys, except those in which the mass fraction of copper is greater than 6 %.
NOTE 1  A high content of copper in the alloy can lead to increased dissolution of the substrate aluminium.
NOTE 2  If the thickness is known with sufficient precision (for example, using the method specified in ISO 2128), the determination of the mass per unit area (surface density) of the coatings will enable its apparent density to be calculated. Conversely, if the conditions of application of the coating and its density are known, the determination of its mass per unit area (surface density) can permit the calculation of the average mass and an approximate evaluation of the thickness (see Clause 9).

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This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.

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This document specifies a test method to measure the friction coefficient of chemical conversion coating sheet products and coiled products. This document is applicable to measure or compare the friction properties of hot-dip galvanized, lubricated and resin coated steel sheet, when tested under the same conditions.

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This document specifies a gravimetric method for determining the mass per unit area(surface density) of anodic oxidation coatings on aluminium and its alloys. Themethod is applicable to all oxidation coatings formed by anodizing aluminium andits alloys, either cast or wrought, and is suitable for most aluminium alloys,except those in which the mass fraction of copper is greater than 6 %.

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This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.

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This document describes the types of paint and paint system commonly used for corrosion protection of steel structures. It also gives guidelines for the selection of paint systems available for different environments (see ISO 12944-2) except for corrosivity category CX and category Im4 as defined in ISO 12944-2 and different surface preparation grades (see ISO 12944-4), and the durability grade to be expected (see ISO 12944-1).

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This document specifies a gravimetric method for determining the mass per unit area (surface density) of anodic oxidation coatings on aluminium and its alloys. The method is applicable to all oxidation coatings formed by anodizing aluminium and its alloys, either cast or wrought, and is suitable for most aluminium alloys, except those in which the mass fraction of copper is greater than 6 %. NOTE 1 A high content of copper in the alloy can lead to increased dissolution of the substrate aluminium. NOTE 2 If the thickness is known with sufficient precision (for example, using the method specified in ISO 2128), the determination of the mass per unit area (surface density) of the coatings will enable its apparent density to be calculated. Conversely, if the conditions of application of the coating and its density are known, the determination of its mass per unit area (surface density) can permit the calculation of the average mass and an approximate evaluation of the thickness (see Clause 9).

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This document specifies test methods for the determination of the breakdown voltage and withstand voltage of anodic oxidation coatings on aluminium and its alloys, on flat or near-flat surfaces and on round wire. The methods are applicable to anodic oxidation coatings used primarily as electrical insulators.
The methods are not applicable to coatings in the vicinity of cut edges, the edges of holes, or sharp changes of angle on, for example, extruded shapes.
NOTE 1    Breakdown voltage and withstand voltage are affected by relative humidity.
NOTE 2    The methods described do not give satisfactory results for unsealed coatings because they are affected by the humidity in particular.

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This document specifies requirements for the protection of iron and steel surfaces against corrosion by applying thermal-sprayed metallic coatings of zinc, aluminium or their alloys.
In this document, requirements for the planning of the corrosion protection system and for the constructive design of the component to be protected are specified, where thermal spraying is intended to be the process for the deposition of the metallic corrosion protection.
Some field-related basic terms are defined and instructions for corrosion behaviour of the zinc and aluminium materials under different environment conditions are provided.
Characteristic properties of the coating, e.g. coating thickness, minimum adhesive strength and surface appearance, are specified and test procedures for thermal-sprayed corrosion protection coatings of zinc, aluminium or their alloys are determined.
This document is valid for applying thermal-sprayed zinc and aluminium protection coatings against corrosion in the temperature range between −50 °C to +200 °C, taking into consideration the service conditions of any sealants used. Heat-resistant protective coatings of aluminium are covered by ISO 17834 and are not in the scope of this document.
Other corrosion protection processes, e.g. hot-dip galvanizing (galvanic coating), sherardizing, electroplating or selection and deposition of organic coatings/paints are not in the scope of this document.
Requirements for the manufacturing of thermal-sprayed coatings are specified in ISO 2063-2.

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This document describes a test method to evaluate the performance of photocatalytic materials in water purification by measuring phenol degradation. This test method is applicable to photocatalytic materials in form of powders (suspensions in water, slurries) under UV irradiation. The photocatalytic performance of the tested material is assessed by the observed rate of phenol degradation at specified experimental conditions as determined by HPLC.

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This document gives guidelines for determining the average surface density over a measured area of anodic oxide or of a coating deposited autocatalytically, mechanically, by chemical conversion, by electrodeposition, by hot dip galvanizing and by chemical or physical vapour deposition using gravimetric and other chemical analysis procedures that have attained some degree of national or international standardization.
A variety of procedures are described and include:
—          gravimetric procedures for chemical or electrochemical dissolution of the coating or the substrate to determine the coating surface density;
—          gravimetric procedures for weighing the uncoated substrate and the coated (finished) specimen to determine the coating surface density;
—          analytical procedures that utilize dissolution of the coating for determination of the coating surface density by instrumental chemical analysis methods.
With the exception of the gravimetric method as described in ISO 3892, this document does not give the measurement uncertainties of the methods cited.

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This document specifies an empirical method for assessing the resistance of anodic oxidation coatings to cracking by deformation.
The method is applicable particularly to sheet material with anodic oxidation coatings of thickness less than 5 µm, and is useful for development purposes.
NOTE       If the test specimen is thick, more than 5 µm of coating can be measured (see Clause 9).

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This document specifies a grid rating system that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion tests.
This rating system is applicable to pitting corrosion resulting from
—          accelerated tests,
—          exposure to corrosive environments, and
—          practical service tests.
This document takes into account only pitting corrosion of the basis metal resulting from penetration of the protective anodic oxidation coating.
NOTE 1    ISO 8993[1] describes a similar rating system based on defined chart scales.
NOTE 2    The grid rating system is frequently used for rating the results of short-term corrosion tests for relatively thin anodic oxidation coating, such as those used in the automotive industry.

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This document specifies test methods for the determination of the breakdown voltage and withstand
voltage of anodic oxidation coatings on aluminium and its alloys, on flat or near-flat surfaces and on
round wire. The methods are applicable to anodic oxidation coatings used primarily as electrical
insulators.
The methods are not applicable to coatings in the vicinity of cut edges, the edges of holes, or sharp
changes of angle on, for example, extruded shapes.
NOTE 1 Breakdown voltage and withstand voltage are affected by relative humidity.
NOTE 2 The methods described do not give satisfactory results for unsealed coatings because they are
affected by the humidity in particular.

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This document specifies a chart rating system based on standard charts that provides a means of defining levels of performance of anodic oxidation coatings on aluminium and its alloys that have been subjected to corrosion tests.
This rating system is applicable to pitting corrosion resulting from
—          accelerated tests,
—          exposure to corrosive environments, and
—          practical service tests.
This document takes into account only pitting corrosion resulting from penetration of the protective anodic oxidation coating.

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This document specifies requirements for the protection of iron and steel surfaces against corrosion by
applying thermal-sprayed metallic coatings of zinc, aluminium or their alloys.
In this document, requirements for the planning of the corrosion protection system and for the
constructive design of the component to be protected are specified, where thermal spraying is intended
to be the process for the deposition of the metallic corrosion protection.
Some field-related basic terms are defined and instructions for corrosion behaviour of the zinc and
aluminium materials under different environment conditions are provided.
Characteristic properties of the coating, e.g. coating thickness, minimum adhesive strength and surface
appearance, are specified and test procedures for thermal-sprayed corrosion protection coatings of
zinc, aluminium or their alloys are determined.
This document is valid for applying thermal-sprayed zinc and aluminium protection coatings against
corrosion in the temperature range between −50 °C to +200 °C, taking into consideration the service
conditions of any sealants used. Heat-resistant protective coatings of aluminium are covered by
ISO 17834 and are not in the scope of this document.
Other corrosion protection processes, e.g. hot-dip galvanizing (galvanic coating), sherardizing,
electroplating or selection and deposition of organic coatings/paints are not in the scope of this
document.
Requirements for the manufacturing of thermal-sprayed coatings are specified in ISO 2063-2.

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This document specifies a comparative method for the determination of the fastness of coloured anodic oxidation coatings to ultraviolet (UV) light and heat.
The method is not suitable for testing coloured anodic oxidation coatings that are heat sensitive.
NOTE       Dark-coloured test specimens will normally reach the highest temperatures.

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This document specifies a method for checking the continuity of thin anodic oxidation coatings on aluminium and its alloys by a copper sulfate contact test.
The use of this method is limited to anodic oxidation coatings of thickness less than 5 µm or coatings that have been deformed, which includes those produced by coil anodizing techniques.
NOTE       The method described enables a rapid check to be made for the continuity of a thin coating of aluminium oxidation on aluminium and its alloys. In cases of doubt regarding a visible fault on the surface of a coating, the use of this method makes it possible to verify whether the fault corresponds to a local gap in the coating that exposes bare metal.

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