This standard specifies methods for testing the high-temperature three-point and four-point bending strength of fine ceramics used as high-strength materials such as mechanical parts and structural materials.
JIS R 1604:1995 history
2008JIS R 1604:2008 Testing method for flexural strength (modulus of rupture) of fine ceramics at elevated temperature
1995JIS R 1604:1995 Testing method for flexural strength (modulus of rupture) of fine ceramics at elevated temperature