ASTM B487 PDF

This test method covers measurement of the local thickness of metal and oxide coatings by the microscopical examination of cross sections using an optical microscope. Under good conditions, when using an optical microscope, the method is capable of giving an absolute measuring accuracy of 0. This will determine the suitability of the method for measuring the thickness of thin coatings. The method consists of cutting out a portion of the test specimen, mounting it, and preparing the mounted cross section by suitable techniques of grinding, polishing, and etching. The thickness of the cross section is then measured with an optical microscope. Coating thickness is an important factor in the performance of a coating in service and is usually specified in a coating specification.

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News About Contact Search. News About Contact. This test method covers measurement of the local thickness of metal and oxide coatings by the microscopical examination of cross sections using an optical microscope. Coating thickness is an important factor in the performance of a coating in service and is usually specified in a coating specification. This method is suitable for acceptance testing. People John E. Pearson, Principal and Laboratory Manager. JTC provides advanced testing and forensic capabilities to solve the most technically Labs Janney Technical Center.

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ASTM-B-487-yr-87-R-13.pdf

A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. Scope 1. This will determine the suitability of the method for measuring the thickness of thin coatings. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This is especially applicable to the chemicals cited in Table X2.

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Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section

Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section1 This standard is issued under the fixed designation B; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. Scope 4. Significance and Use 1.

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Mechanical ASTM B487

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