This standard specifies a method for measuring the thermal diffusivity from room temperature to 1300K using the laser flash method for long fiber-reinforced ceramic composite materials consisting of long ceramic fibers and a ceramic matrix.
JIS R 1667:2005 Referenced Document
JIS B 0601 Geometrical Product Specifications (GPS).Surface texture: Profile method.Terms, definitions and surface texture parameters*, 2013-03-21 Update