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TECHNICAL PAPERS

Wrinkling Limit in Tube Bending

[+] Author and Article Information
Xi Wang, Jian Cao

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208

J. Eng. Mater. Technol 123(4), 430-435 (Jul 25, 2000) (6 pages) doi:10.1115/1.1395018 History: Received July 25, 2000
Copyright © 2001 by ASME
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References

Figures

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Rotary-draw bending with mandrel (Stelson 2)
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Wrinkling on compression side of shell in pure bending (Ju and Kyriakides 9)
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Schematic of curved sheet model in tube bending
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Profile of critical die radius for AA6061-T6
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Profile of critical die radius for 304 stainless steel
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Normalized critical die radius versus normalized tube radius for AL6061-T6 and 304 stainless steel
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Effect of strain hardening exponent n on critical die radius for t=0.7 mm,r=5 mm, and K=800 MPa
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Effect of strength coefficient K on critical die radius for r=5 mm,t=0.7 mm, and n=0.2
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Critical wavelength versus tube thickness under r=5 mm for AL6061-T6 and 304 stainless steel

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