Nut Resilience and Vibration Fatigue Limit of Bolted Joints

An increasing number of materials with a lower specific density are being used as part of the drive towards lightweight construction. Plenty of tests have been carried out on light metal bolts. However, the only bare essentials are known about the effect of nut resilience on the vibration fatigue li...

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Bibliographic Details
Published inSAE International journal of materials and manufacturing Vol. 1; no. 1; pp. 243 - 248
Main Authors Weber, J. O, Berger, C, Arz, U
Format Journal Article
LanguageEnglish
Published Warrendale SAE International 01.01.2009
SAE International, a Pennsylvania Not-for Profit
Subjects
Aluminum
Bearing capacity
Bolted joints
Fatigue
Fatigue limit
Heat treatment
Material fatigue
Material resilience
Moduli of elasticity
Nuts
Resilience
Steels
Vibration
Vibrational stress
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ISSN1946-3979
1946-3987
1946-3987
DOI10.4271/2008-01-0544

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Summary:An increasing number of materials with a lower specific density are being used as part of the drive towards lightweight construction. Plenty of tests have been carried out on light metal bolts. However, the only bare essentials are known about the effect of nut resilience on the vibration fatigue limit. As bolts are subject to both static and cyclical stress during their lifetime, their load-bearing capacity under cyclical stress is hugely important. The general measures available to improve the vibration fatigue limit will be presented. The effect of varying the modulus of elasticity of internal threads on the vibration fatigue limit of standard high-strength bolts will be shown.
Bibliography:2008-04-14 ANNUAL 154668 Detroit, Michigan, United States
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ISSN:1946-3979
1946-3987
1946-3987
DOI:10.4271/2008-01-0544