| 释义 |
Pyroceram|ˈpaɪərəʊsɛˌræm|
Also pyroceram.
[f. pyro- + ceramic a. (n.).]
A proprietary term in the U.S. for a type of strong, heat-resistant glass which has been heat-treated so that it consists entirely of microscopic crystalline domains.
1957New Scientist 23 May 27/1 The name of this fabulous stuff, which Dr. Stookey invented, is pyroceram. It is harder than flint, light as aluminium, stronger (in ratio to its weight) than stainless steel. Ibid. 28/2 The Corning Glass Works has at least a thousand different formulæ for pyrocerams. 1957Amer. Ceramic Soc. Bull. XXXVI. 279/1 Pyroceram is melted and formed like glass, but with a formula containing one or more nucleating agents. 1958Official Gaz. (U.S. Patent Office) 20 May tm 75/1 Corning Glass Works... Pyroceram... First use Feb. 7, 1957. 1965New Scientist 4 Nov. 341/1 Housewives who can afford to pay for..coffee pots made of pyroceram are by now accustomed to being told that ‘this is the material used in American rocket noses’. 1968McGraw-Hill Yearbk. Sci. & Technol. 38/2 Controlled devitrification to give glass-ceramics or Pyrocerams depends upon the availability of adequate nuclei. |