| 释义 |
ledeburite Metallurgy.|ˈleɪdəbjʊraɪt|
[ad. G. ledeburit (F. Wüst 1909, in Metallurgie VI. 523), f. the name of Adolf Ledebur (1837–1906), German metallurgist + -ite1.]
The eutectic of the iron/iron carbide system which is composed of austenite and cementite, contains about 4·3 per cent carbon, and occurs in cast iron.
1912W. H. Hatfield Cast Iron i. 16 This well-known structure, presented by the solidified eutectic, Wüst proposes to christen ‘Ledeburite’, after his distinguished compatriot. 1943Jrnl. R. Aeronaut. Soc. XLVII. 218 A high carbon chromium steel in the cast condition..will have good sliding properties (ledeburite structure) and is widely employed in high pressure pump mechanism. 1972G. A. Chadwick Metallogr. of Phase Transformations iv. 140 The white iron eutectic, consisting of austenite and cementite, is often referred to as ‘ledeburite’. |