| 单词 |
Kevlar |
| 释义 |
Kevlar, n.|ˈkɛvlɑː(r)|
Also kevlar.
[Cf. Mylar n.]
A proprietary name for a synthetic fibre of high stiffness and tensile strength, used mainly as a reinforcing agent in composite materials and as a constituent of ropes and cables; also, any of various materials made from or strengthened with this fibre.
1974Official Gaz. (U.S. Patent Office) 12 Feb. tm54/1 Kevlar... For man-made fibers for generalized use in the industrial arts... First use Apr. 6, 1973. 1976J. E. Gordon New Sci. Strong Materials (ed. 2) viii. 201 Weight for weight, the stiffness of Kevlar is not quite as good as that of boron or carbon. 1978A. Welch Bk. of Airsports i. 23/2 (caption) The Swiss C-FL Canard, designed for high performance, and built of kevlar and epoxy. 1981Daily Tel. 12 July 21/2 Battledress made from kevlar (a synthetic material that is waterproof, fireproof—and protects against blows). 1987On Board Mar. 65/1 Prestretched rope is used rather than kevlar to tightly fix the boom to the mast, since it has little give if overtightened. |
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