Bolt load loss behavior of magnesium alloy AZ91D bolted joints clamped with aluminum alloy A5056 bolt

Supamard Sujatanond, Yukio Miyashita, Shinji Hashimura, Yoshiharu Mutoh, Yuichi Otsuka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The bolt load loss behavior of AZ91D magnesium alloy bolted joints with a conventional SCM435 steel bolt and an A5056 aluminum bolt was investigated at elevated temperature. The A5056 bolt could reduce the bolt load loss compared to the SCM435 bolt due to smaller mismatch of thermal expansion between the bolt material and the plates. The mismatch of thermal expansion between bolt material and AZ91D plates was found to induce the compressive creep deformation in the AZ91D plates which performed as the main mechanism of bolt load loss. At higher tightening stress, the bolt load loss could be intensified by additional plastic deformation in bolt occurred during the test. Moreover, it is suggested that the plastic deformation could be reduced by decreasing the friction condition in the bolted joint.

Original languageEnglish
Title of host publicationMachinery Electronics and Control Engineering II
Pages135-139
Number of pages5
DOIs
Publication statusPublished - 2013 May 2
Event2012 2nd International Conference on Machinery Electronics and Control Engineering, ICMECE 2012 - Jinan, Shandong, China
Duration: 2012 Dec 292012 Dec 30

Publication series

NameApplied Mechanics and Materials
Volume313-314
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2012 2nd International Conference on Machinery Electronics and Control Engineering, ICMECE 2012
CountryChina
CityJinan, Shandong
Period12/12/2912/12/30

Keywords

  • Aluminum alloy bolt
  • Bolt load loss
  • Creep deformation
  • Magnesium alloy bolted joint

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Sujatanond, S., Miyashita, Y., Hashimura, S., Mutoh, Y., & Otsuka, Y. (2013). Bolt load loss behavior of magnesium alloy AZ91D bolted joints clamped with aluminum alloy A5056 bolt. In Machinery Electronics and Control Engineering II (pp. 135-139). (Applied Mechanics and Materials; Vol. 313-314). https://doi.org/10.4028/www.scientific.net/AMM.313-314.135