A Study Wear Behaviour of Induction Hardened 4140 and Carburised 8617H Steels on 1040 Steel

Author:

Kusmoko Alain1,Crosky A.2

Affiliation:

1. University of Wollongong

2. University of New South Wales

Abstract

This study was undertaken to evaluate the likely effect on the wear rate of changing the pinion material in a rack and pinion steering box from carburised SAE-AISI grade 8617 H steel to induction hardened SAE-AISI grade 4140 steel of the same hardness. Accordingly, pin on disc wear tests were conducted using carburised 8617 H pins and through hardened 4140 pins. The surface hardness of the pins was approximately 60 HRC for both materials. The discs were made of SAE-AISI grade 1040 steel through hardened to a hardness of 45 HRC. The results showed that both the pins and the discs wore more rapidly when the tests were carried out with 4140 pins. The study indicates that the wear rate would be increased on both the rack and the pinion if the pinion material were changed from case hardened 8617 H to induction hardened 4140.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference11 articles.

1. R.S. Gates and J.P. Yellets, Consideration in Ceramic Friction and Wear Measurements, p.1 in Selection and Use Wear Test for Ceramics. Edited by C.S. Yust and R.G. Bayer. ASTM, Philadelphia, PA, (1988).

2. C. Lipson, Wear Considerations in Design, Prentice-Hall, Englewood Cliffs, NJ, (1967).

3. Anon., Introduction, p.1 in Wear Testing Methods of Advanced Materials. Edited by R. Divarer and P.J. Blaue. ASTM, Philadelphia, PA, (1992).

4. I.A. Bragin , A study of Wear and Its Applications to High Intensity Dryer, Msc Thesis, University of New South Wales, (1972).

5. J. Larson-Basse, Abrasive Wear of Ceramics, p.99 in Friction and Wear of Ceramics. Edited by S. Jahanmir, NIST, Gaitherburg, MD, (1994).

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