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FRACTURE TOUGHNESS MEASURING METHOD OF TEST PIECE, AND MIXED SOLUTION FOR FRACTURE TOUGHNESS MEASUREMENT OF TEST PIECE
FRACTURE TOUGHNESS MEASURING METHOD OF TEST PIECE, AND MIXED SOLUTION FOR FRACTURE TOUGHNESS MEASUREMENT OF TEST PIECE
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机译:测试件的断裂韧性测量方法,以及测试件的断裂韧性测量的混合解决方案
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摘要
PROBLEM TO BE SOLVED: To provide a fracture toughness measuring method of a test piece capable of measuring crack length created in a test piece in an IF method with high precision and high reproducibility, capable of coping with a measurement in a low magnification, and excellent in versatility.;SOLUTION: A fracture toughness measuring method includes the following steps of: (1) press fitting a Vickers indenter on a surface of a test piece and creating indentation and a crack; (2) applying a mixed solution which contains resin and a solvent on the surface of the test piece, and forming a transparent coat for wrapping the indentation and the crack; and (3) measuring diagonal line length and crack length of the indentation on the surface of the test piece in which the transparent coat is formed, using a microscope.;COPYRIGHT: (C)2015,JPO&INPIT
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