| 释义 |
microhardness|maɪkrəʊˈhɑːdnɪs|
[f. micro- 1 b + hardness.]
The hardness of a very small area of a sample, as measured by an indenter.
1921Trans. Amer. Soc. Mech. Engin. XLII. 1109 If we let κ be the microhardness. 1934Amer. Mineralogist XIX. 163 We have undertaken to obtain microhardness values for each of the nine minerals from talc to corundum. 1954A. R. Bailey Text-bk. Metall. xiii. 457 Micro-hardness testers make it possible to obtain comparative hardness figures for the different constituents of alloys,..and may aid in the identification of constituents and inclusions. 1966D. G. Brandon Mod. Techniques Metallogr. i. 5 In soft materials it is almost impossible to eliminate surface deformation by repeated mechanical polishing and etching... A detectable increase in microhardness can be observed up to 5 µm below the polished surface. |