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The Effect of V, Al and N on the Fatigue Life of a Carbonitrided Bearings / S-J Yoo, S-W Choi, S-K Han, J-S Lee, B-J Jung, B-H Song, C-N Park

Conference Author
Bearing Steel Technology (2001 : Phoenix, AZ)
Physical Description
1 online resource (12 pages) : illustrations, figures, tables
Additional Creators
Yoo, S-J, Choi, S-W, Han, S-K, Jung, B-J, Lee, J. S., Park, C-N, Song, B-H, American Society for Testing and Materials, and ASTM International
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Summary
The effect of chemical composition on microstructure and mechanical properties was investigated. Optimum contents of Al and N for appropriate prior austenite grain size were determined to avoid the formation of microcracks during oil quenching after a carbonitriding heat treatment. The microhardness and fatigue life of microalloyed steels based on SAE 5140H were compared with those of conventional steels. The surface hardness was increased due to finely distributed V-carbonitrides precipitated during double reheat process at the range of intercritical temperatures. The fatigue life was increased due to a large amount of retained austenite in the steel obtained by a carbonitriding heat treatment.
Dates of Publication and/or Sequential Designation
Volume 2002, Issue 1419 (January 2002)
Subject(s)
Other Subject(s)
ISBN
9780803154667 (e-ISBN)
9780803128941
0803128940
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 5.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 2002. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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