GB/T 21838.4-2008 "Instrumented indentation test for hardness and material parameters of metal materials, Part 4: Test methods for metal and Non-metallic coatings", which stipulates instrumented indentation test methods for metal and Non-metallic coatings. The standard covers test principles, equipment requirements, sample preparation, operation procedures and result evaluation. Through standardized instrumentation indentation tests, accurate detection of coating hardness and material parameters is realized, providing technical basis for evaluating coating performance and ensuring product mass.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Abolish | ||
|---|---|---|---|
| CCS | H22 | ICS | 77.040.10 |
| Release Date | 2008-05-13 00:00:00 | Implementation Date | 2008-11-01 00:00:00 |