Machine element and method of making

Details Machine element and method of making Machine element and method of making

C - Chemistry, Metallurgy

21

D

148/11, 75/119,

C21D 1/18 (2006.01) C21D 1/20 (2006.01) C21D 5/00 (2006.01) C21D 9/30 (2006.01)

Patent

CA 1318837

ABSTRACT OF THE DISCLOSURE An austempered ductile iron composition with a mixed austenitic-bainitic structure is made by a method which enables the iron to withstand high cyclical stresses while having a high resistance to abrasion. Articles such as automobile roller-follower camshafts that are made from the iron alloy may have portions thereof selectively austempered to reduce the overall cost and time required to manufacture the article.

601814

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