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Proceedings Paper

Push-off tests and strength evaluation of joints combining shrink fitting with bonding
Author(s): Masahiro Yoneno; Toshiyuki Sawa; Ken Shimotakahara; Yoichi Motegi
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Paper Abstract

Shrink fitted joints have been used in mechanical structures. Recently, joints combining shrink fitting with anaerobic adhesives bonded between the shrink fitted surfaces have been appeared in order to increase the joint strength. In this paper, push-off test was carried out on strength of joints combining shrink fitting with bonding by material testing machine. In addition, the push-off strength of shrink fitting joints without an anaerobic adhesive was also measured. In the experiments, the effects of the shrinking allowance and the outer diameter of the rings on the joint strength are examined. The interface stress distribution in bonded shrink fitted joints subjected to a push-off load is analyzed using axisymmetrical theory of elasticity as a four-body contact problem. Using the interface stress distribution, a method for estimating joint strength is proposed. The experimental results are in a fairly good agreement with the numerical results. It is found that the strength of combination joints is greater than that of shrink fitted joints.

Paper Details

Date Published: 20 March 1997
PDF: 6 pages
Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269815
Show Author Affiliations
Masahiro Yoneno, Loctite (Japan)
Toshiyuki Sawa, Yamanashi Univ. (Japan)
Ken Shimotakahara, Hitachi, Ltd. (Japan)
Yoichi Motegi, Yamanashi Univ. (Japan)

Published in SPIE Proceedings Vol. 2921:
International Conference on Experimental Mechanics: Advances and Applications
Fook Siong Chau; C. T. Lim, Editor(s)

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