Camshaft

Details Camshaft Camshaft

1989-09-12

1991-07-02

Yee, Deborah

Metal treatment

Stock

Ferrous

148902, C22C 3710

Patent

active

050282816

ABSTRACT:
An austempered ductile iron alloy 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.

REFERENCES:
patent: 2324322 (1943-07-01), Reese et al.
patent: 2485760 (1949-10-01), Millis et al.
patent: 3273998 (1966-09-01), Knoth et al.
patent: 3549430 (1970-12-01), Kies et al.
patent: 3549431 (1970-12-01), De Castelet
patent: 3860457 (1975-01-01), Vourinen et al.
patent: 3893873 (1975-07-01), Hanai et al.
patent: 4222793 (1980-09-01), Grindahl
patent: 4541878 (1985-09-01), Muehlberger et al.

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