COMPONENT FOR MACHINE STRUCTURE

Japanese Patent JP2006028599

A

To provide a component for a machine structure whose fatigue strength is improved compared with that of the conventional one.

Regarding the component for a machine structure in which at least a part comprises a hardened layer by induction hardening, the relation between the average grain size GS (μm) of old austenite grains in the hardened layer and the stress concentration coefficient α in the part subjected to the induction hardening satisfies the inequality GS≤11-2×α (wherein, α≥1.5).

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MATSUZAKI AKIHIRO
KUROSAWA NOBUTAKA
HAYASHI TORU
OMORI YASUHIRO
TOYOOKA TAKAAKI

JP2004210450A

February 02, 2006

July 16, 2004

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JFE STEEL KK

C22C38/00; C22C38/06; C22C38/60; C21D8/06; C21D9/30

Kosaku Sugimura
Kazuaki Takami
Hiroshi Tokunaga
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita

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