英语词汇“surface hardening”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

surface hardening n. Metallurgy the hardening of the surface of metal by any of various processes, as carburization or quench hardening.Now a more general term than case hardening.

ΚΠ

1861 Repertory Patent Inventions 38 3 With regard to the case or surface hardening, various means are efficient for this object.

1869 U.S. Patent 92,021 2/2 The tempering, and case or surface-hardening, are the final operations performed.

1929 Chem. Abstr. 23 3888 (heading) Study of surface-hardening of steel by nitridation.

2008 Sci. Lett. (Nexis) 26 Aug. 1466 An infrared process monitor was used to monitor..the infrared emissions during laser surface hardening of ferrous alloys.

单词	surface hardening
释义	> as lemmas surface hardening surface hardening n. Metallurgy the hardening of the surface of metal by any of various processes, as carburization or quench hardening.Now a more general term than case hardening. ΚΠ 1861 Repertory Patent Inventions 38 3 With regard to the case or surface hardening, various means are efficient for this object. 1869 U.S. Patent 92,021 2/2 The tempering, and case or surface-hardening, are the final operations performed. 1929 Chem. Abstr. 23 3888 (heading) Study of surface-hardening of steel by nitridation. 2008 Sci. Lett. (Nexis) 26 Aug. 1466 An infrared process monitor was used to monitor..the infrared emissions during laser surface hardening of ferrous alloys. extracted from surfacen. < as lemmas
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