| 单词 | indentation test |
| 释义 | > as lemmasindentation test indentation test n. any of various tests for determining the hardness of a solid by making an indentation in a sample under standard conditions and measuring either its size or the distance travelled by the indenter. ΘΚΠ the world > matter > chemistry > chemical tests > [noun] > types field trial1817 spot test1872 indentation test1897 spot testing1900 reductase test1910 Scoville test1921 1897 Minutes Proc. Inst. Civil Engineers 139 334 (heading) A new indentation test for determining the hardness of metals. 1956 B. W. Mott Micro-indentation Hardness Testing i. 2 (1) Static indentation test: A steady load is applied to an indenter..and the hardness is calculated from the area or depth of indentation produced. (2) Dynamic indentation test: A ball, cone or a number of small spheres is allowed to fall from a definite height and the hardness number is obtained from the dimensions of the indentation and the energy of the impact. < as lemmas |
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