单词 | nitride |
释义 | nitriden. Chemistry. A compound of nitrogen with a more electropositive element or radical, such as boron, silicon, or a metal. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > nitrogen > [noun] > compounds nitrous ether1791 nitruret1794 azoturet1819 azotane1827 nitride1850 hyponitric acid1854 nitryl1864 azotine1884 nitro-metal1895 tetrazone1895 trinitride1911 nitroxide1950 nitroxyl1969 1850 T. Graham Elem. Chem. (ed. 2) I. iii. 114 Thus, with the other elementary bodies,..Nitrogen forms nitrides. 1858 J. L. W. Thudichum Treat. Pathol. Urine 46 A solution in nitric acid of the nitride of the sub-oxyde of mercury. 1881 Nature 6 Oct. 542/1 The nitride of silicon..is obtained by the direct union of nitrogen and silicon. 1931 Jrnl. Iron & Steel Inst. 124 615 With the exception of aluminium, all metals present in nitriding steels are transition elements, the nitrides of which have a metallic character. 1967 M. Chandler Ceramics in Mod. World vi. 164 Many of the special ceramics are oxides, some are nitrides and carbides. 1984 E. P. DeGarmo et al. Materials & Processes in Manuf. (ed. 6) vi. 151 Nitrogen diffusing into the steel will then form alloy nitrides. 2000 Sci. News 29 Apr. 279/3 The group suspended a square plate of silicon nitride some 200 atoms thick above a hole in a silicon chip. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). nitridev. transitive. To convert into a nitride or nitrides; (Metallurgy) to subject (a ferrous alloy) to the nitriding process. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to nitridation nitride1928 1928 Machinery 31 479/1 The parts to be nitrided are placed in a gas-tight box. 1958 L. Aitchison & W. I. Pumphrey Using Steel Wisely i. ix. 155 A number of high-alloy steels—such as those employed for aero-engine exhaust valves—are nitrided with very beneficial results. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XIII. 314/1 It is possible to nitride some of the common alloy steels which do not contain appreciable amounts of aluminium, although the hardness in this case is much lower than with nitralloy. 1986 Autocar 26 Nov. 39/1 The crankshaft is nitrided and rebalanced and runs in high-specification Vandervell bearings. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1850v.1928 |
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