单词 | graphitizer |
释义 | graphitizern. A substance that is added to molten metal to promote the formation of graphite rather than a carbide. ΘΚΠ the world > matter > chemistry > organic chemistry > carbon > [noun] > graphite > graphitization > that which causes graphitizer1940 1940 S.A.E. Jrnl. Aug. 28/3 In a summary of the effect of the various elements of cast iron on its micro~structure when other variables are considered constant, it is brought out..that nickel acts as a graphitizer, promoting machinability. 1959 H. F. Taylor et al. Foundry Engin. xii. 319 Grain refiners and graphitizers probably promote nucleation in the melt by introducing ‘foreign’ nuclei into the liquid metal. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018). < n.1940 |
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