Besonderhede van voorbeeld: -3483220706866712026

English

Now we use standard tests, where a ball, or point is pressed into a material and the size of the dent is measured. There are a few different hardness tests: Rockwell, Brinell, Vickers, etc.

Korean

수축율(shrinkage rate) 물질의 크기가 여러가지 원인으로 작게 되었을때 그 수축값을 원래의 값으로 나눈 것. 체적,면적,선수축율이 있다.