TRANSFORMATION PLASTIC COEFFICIENT TESTING DEVICE AND TRANSFORMATION PLASTIC COEFFICIENT IDENTIFICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a transformation plastic coefficient testing device for measuring successively deformation of a test piece during a rapid cooling time by assuming rapid-cooling thermal treatment after heating a material, and identifying a transformation plastic coefficient from the deformation.;SOLUTION: This device is equipped with: a heating furnace 2; the test piece 14 arranged in the heating furnace; cooling gas supply means 3, 4, 5 for supplying cooling gas into the heating furnace, and cooling rapidly the test piece which is heated by the heating furnace; a temperature measuring means for measuring a temperature of the test piece; load application means 11a, 11b, 15 for applying a load onto the test piece while being heated; and a deformation measuring means 19 for measuring successively deformation of the test piece while being heated.;COPYRIGHT: (C)2011,JPO&INPIT