This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Effect of Bolt CTE on Bolt Load Retention for Mg Alloys
Technical Paper
2006-01-0071
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
The automobile and light truck industries are increasing considering the use of magnesium castings in structural and elevated-temperature applications. Unfortunately, the bolt load compressive stress retention behavior of magnesium alloys is unacceptable for most elevated temperature applications. In this investigation, the effects of bolt strength and the mis-match in the coefficient of thermal expansion (CTE) of magnesium alloy AZ91D and the bolt material has been determined for a wide range of materials (martensitic steel, austenitic stainless steel, ductile iron and aluminum alloys). Also, the effect of heat treating the magnesium alloy, the effect of re-tightening the bolts after the first thermal cycle and the maximum load carry capacity of numerous bolt materials were determined. Corrosion was not considered.
Recommended Content
Topic
Citation
Druschitz, A. and Sochor, N., "Effect of Bolt CTE on Bolt Load Retention for Mg Alloys," SAE Technical Paper 2006-01-0071, 2006, https://doi.org/10.4271/2006-01-0071.Also In
References
- Druschitz, A.P. Showalter, E. “Evaluation of High Temperature, Cast Magnesium Alloy, Front Engine Covers” SAE Paper 2004-01-0657 Society of Automotive Engineers Warrendale PA 2004
- Friedrich, C. “Fastening of Light Weight Components with Elements Made of Aluminum,” SAE Paper 2000-01-1118 Society of Automotive Engineers Warrendale PA 2000
- Friedrich, C. “Reliable Light Weight Fastening of Magnesium Components in Automotive Applications,” SAE Paper 2004-01-0136 Society of Automotive Engineers Warrendale PA 2004
- Westphal, K. Mulherkar, T. Scheiding, W. “Joining of Magnesium Components Using Al Fasteners,” Light Metal Age April 2005
- Barth, Ruckert Achten, “Operation and Production Experiences of the New 7 G-TRONIC Magnesium Transmission Case,” 62 nd Annual World Magnesium Conference Berlin 2005
- Sieracki, E.G. Velazquez, J.J. Kabiri, K. “Compressive Stress Retention Characteristics of High Pressure Die Casting Magnesium Alloys” SAE Paper 960421 Society of Automotive Engineers Warrendale PA 1996
- Pekguleryuz, M.O. “Development of Creep Resistant Magnesium Diecasting Alloys-An Overview” Noranda
- Pekguleryuz, M.O. “High Temperature Magnesium Alloy Development” Noranda
- Ford Engineering Specification ES-19E708, Test No. IIID “Fastener/Attachment Point Acceptability”
- Druschitz, et al. “Evaluation of Structural and High- Temperature Magnesium Alloys” SAE Paper 2002-01-0080 Society of Automotive Engineers Warrendale PA 2002
- Druschitz, A.P. Showalter, E. “Bolt Load Compressive Stress Retention Testing of Magnesium Alloys” SAE Paper 2003-01-0187 Society of Automotive Engineers Warrendale PA 2003