19/30392949 DC - BS EN 17393. Thermal spraying. Tubular coating tensile test

19/30392949 DC

BS EN 17393. Thermal spraying. Tubular coating tensile test

Status : Draft for public comment, Current   Published : June 2019



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 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 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.

Standard Number19/30392949 DC
TitleBS EN 17393. Thermal spraying. Tubular coating tensile test
StatusDraft for public comment, Current
Publication Date17 June 2019
Normative References(Required to achieve compliance to this standard)ISO 7500-1:2018, EN ISO 7500-1:2018, EN ISO 14916, ISO 14916, EN ISO 14917, ISO 14917
Informative References(Provided for Information)EN ISO 14924, ISO 8501-1, ISO 14924, EN ISO 8501-1, EN ISO 8503-1, ISO 8503-1
International RelationshipsprEN 17393
Draft Expiry Date05 August 2019
DescriptorsTests, Cohesive strength, Coatings, Tensile testing, Spraying
Title in FrenchProjection thermique - Essai de traction
Title in GermanThermisches Spritzen - Schichtzugversuch
File Size317 KB
NotesWarning: this draft is not current beyond its expiry date for comments.

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