物理安全检测
ASTM D4138 用横截面分割破坏法测定防护涂层系统干膜厚度的标准实施规程
标准名称
ASTM D4138 Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means
ASTM D4138 用横截面分割破坏法测定防护涂层系统干膜厚度的标准实施规程
适用范围
Scope：
This practice describes the measurement of dry film thickness of coating films by microscopic observation of precision angular cuts in the coating film. Use of these procedures may require repair ofthe coating film. This practice is intended to supplement the manufacturers’ instructions for the manual operation ofthe gages and is not intended to replace them. It includes definitions of key terms, reference documents, the significance and use of the practice, and the advantages and limitations of the instruments
引用文件
ASTM D823 Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels
ASTM D1005 Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers
ASTM D7091 Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals
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