| 释义 |
graphitizer|ˈgræfɪtaɪzə(r)|
[f. as prec. + -er1.]
A substance that is added to molten metal to promote the formation of graphite rather than a carbide.
1940S.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. 1959H. 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. |