| 释义 |
hardometer|hɑːˈdɒmɪtə(r)|
[f. hard a. + -o + -meter.]
An instrument for measuring the hardness of metals.
1934H. O'Neill Hardness of Metals iii. 90 The ‘Firth Hardometer’..is an excellent bench instrument. 1940Jrnl. R. Aeronaut. Soc. XLIV. 845 The following chapter carries on the hardness tests with details of the Rothwell test, the Firth hardometer, the Firth-Brown variable load hardometer and notched bar impact testing. 1946Firth Brown Gloss. Metall. Terms 26 Firth hardometer,... For testing harder materials a pyramid diamond indenter is recommended and can be supplied with the [Brinell] machine in addition to the hardened steel ball. 1958Oxf. Univ. Gaz. 10 Mar. 772/1 Mr. Allen also completed the examination of about 40 Bronze Age implements of copper and bronze by hardometer. |