misch metal

(redirected from Mischmetal)
Also found in: Dictionary, Thesaurus, Wikipedia.

misch metal

[′mish ‚med·əl]
(metallurgy)
An alloy consisting of a crude mixture of cerium, lanthanum, and other rare-earth metals obtained by electrolysis of the mixed chlorides of the metals dissolved in fused sodium chloride; used in making aluminum alloys, in some steels and irons, and in coating the cathodes of glow-type voltage regulator tubes.
References in periodicals archive ?
It has been observed that, with increasing mischmetal addition, coarse silicon plates in A356 alloy convert first into fine plates and then finally into globular particles at about 1.0% MM addition.
Only a very small fraction of the Ce and La contents of mischmetal goes into solution.
Doty, "The effects of mischmetal, cooling rate and heat treatment on the hardness of A319.1, A356.2 and A413.1 Al-Si casting alloys," Materials Science and Engineering A, vol.
Al kahtani, "Intermetallic phases observed in nonmodified and Sr modified Al-Si cast alloys containing mischmetal," International Journal of Cast Metals Research, vol.
No one element dominates this compound, but the foundry continues to test varying degrees of Ce, Bi and Mischmetal.
Sahoo, MTL, concluded that filtering, degassing and the addition of Mischmetal (alone or in combination) improve the metal's hot tearing resistance.
High purity charges treated with cerium or mischmetal bearing nodulizers often contain chunky graphite.