METHOD FOR TESTING BRITTLE CRACK ARREST PROPERTY OF STEEL PLATE AND TEST PIECE THEREOF

摘要

Disclosed is a method for testing a brittle crack stopping property of a steel material. A method for testing a brittle crack stopping property of a steel material according to the present invention is characterized by comprising: a sample collecting step of sampling a sample at a middle portion in the thickness direction of a steel to be tested; a protruding portion forming a protruding portion on one side of the specimen; A test piece cooling step of cooling the test piece to a set temperature; an impact force applying step of applying an impact force to the test piece; and a crack confirming step of confirming a crack state of the test piece.;