单词 | hardometer |
释义 | hardometern. An instrument for measuring the hardness of a substance, typically a metal. ΘΚΠ the world > matter > constitution of matter > hardness > [noun] > measurement or instruments for determining sclerometer1879 Scleroscope1907 Shore Scleroscope1908 Brinell1915 hardometer1919 Rockwell1920 indenter1929 1919 Chem. & Metall. Engin. 1 Oct. 430/2 This paper consisted of a review of the different methods of determining the hardness of rubber goods and contained data on the Shore hardometer and the Pussey-Jones plastometer. 1934 H. O'Neill Hardness of Metals iii. 90 The ‘Firth Hardometer’..is an excellent bench instrument. 1958 Oxf. Univ. Gaz. 10 Mar. 772/1 Mr. Allen also completed the examination of about 40 Bronze Age implements of copper and bronze by hardometer. 2001 J. Bird Newnes Engin. Sci. Pocket Bk. xxv. 109 The Brinell, Vickers and Rockwell tests are examples of static hardness tests. Another example is the Firth Hardometer test, which is very similar to the Vickers test. This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022). < n.1919 |
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