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Powder Metal Bearings and Gears with Steel-Like Performance
Technical Paper
2001-01-0401
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2001 World Congress
Language:
English
Abstract
Advanced powder metal technology is capable of producing carburized, low alloy steel bearings and gears that deliver mechanical performance comparable to conventional steel. This quantum leap in PM technology has been accomplished by applying cold work densification to surfaces that require enhanced durability in the application.
Using various test methods, core and surface properties are compared for the PM and conventional steel materials; namely tensile, impact toughness, bending fatigue, and contact fatigue. A back to back durability test for automotive manual transmission gears has been used to compare PM gears with conventional steel gears. Test data shows that PM gear teeth can endure equivalent contact stress and, by employing design benefits which are exclusive to PM tooling related gear tooth manufacture, similar tooth loading as conventional gears.
PM manufacturing can achieve AGMA 10 gear quality. Along with the economic design benefits of PM gears, the design limitations, namely component size and tooth geometry, are reviewed.
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Authors
Topic
Citation
Sarafinchan, D., Jones, P., Buckley-Golder, K., and David, H., "Powder Metal Bearings and Gears with Steel-Like Performance," SAE Technical Paper 2001-01-0401, 2001, https://doi.org/10.4271/2001-01-0401.Also In
References
- Lawcock R. Buckley-Golder K. Sarafinchan D. Testing of high endurance PM steels for automotive transmission gearing components SAE Proceedings, 1999-01-0293 18
- Shivanath R. Jones P.K. Lawcock R. On the synergies of high temperature sintering and alloy development for high endurance PM powertrain components Advances in Powder Metallurgy and Particulate Materials Cadle T.M. Narasimhan K.S. MPIF 4 13 427 1996
- Shivanath R. Jones P.K.
- Jones P.K. Buckley-Golder K. Sarafinchan D. Developing P/M gear tooth and bearing surfaces for high stress applications Int. J. Powd. Met. 34 1 26 30 1998
- Jones P.K. Buckley-Golder K. Lawcock R. Shivanath R. Densification strategies for advanced high endurance P/M components Advances in Powder Metallurgy and Particulate Materials 13 442 446 448 1996
- Jones P.K. Buckley-Golder K.
- Shivanath R. Jones P.K. Cole C.
- Buckley-Golder K. Jones P.K. Sarafinchan D.