| 单词 |
Stellite |
| 释义 |
Stellite, n.|ˈstɛlaɪt|
Also stellite.
[? f. L. stell-a star + -ite1.]
Any of various cobalt-based alloys that usu. contain chromium and small amounts of tungsten and molybdenum and are used for their great hardness and their resistance to heat.
A proprietary name in the U.S.
1913Engin. Mag. XLV. 840/2 It is an alloy of cobalt, chromium, and tungsten and has been called ‘Stellite’ by its inventor, Mr. Elwood Haynes. 1916Official Gaz. (U.S. Patent Office) 3 Oct. 267/2 The Haynes Stellite Co.... Stellite... Metal alloys. 1937Jrnl. R. Aeronaut. Soc. XLI. 330 The mean thermal expansion coefficients of the stellities were obtained between 20°C and a higher temperature ranging from 100°C to 850°C. 1975Bram & Downs Manuf. Technol. iii. 79 Stellite can be purchased in bars of round or square section for manufacturing cutting tools. 1980Daily Tel. 11 Sept. 7 (Advt.), The new 1300cc ‘A’ Plus unit with stellite faced valves.
Hence ˈstellite v. trans., to coat with Stellite; ˈstellited ppl. a., ˈstelliting vbl. n.
1934Jrnl. R. Aeronaut. Soc. XXXVIII. 329 If only one part is to be ‘stellited’ it is better to treat the valve. Ibid., The ‘stelliting’ of the valve stem and neck..would also be beneficial. 1937Ibid. XLI. 330 The cracking of stellited steels is attributed to this difference in expansion. 1959Engineering 9 Jan. 49/2 The journal portions of extension shafts on the vanes are Stellited and ground to provide a wear resistant bearing surface. |
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