Notch Effects on Impact Tensile Properties in A6061-T6 Aluminum Alloy

Abstract:

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The strain rate sensitivity of a A6061-T6 aluminum is examined as a function of triaxial stress. The triaxial stress state is changed by changing the notch acuity of notched specimens. Under the high strain rate conditions, increasing triaxiality increases flow stress. Plastic constraint factor decreases in notched specimens under high strain rate conditions. Reduction-of-area in notched specimen increases with increasing strain rate. The relaxation of plastic constraint takes place under high strain rate in the notched specimens. The effects of triaxial stress and strain rate on the fracture surfaces are discussed.

Info:

Periodical:

Materials Science Forum (Volumes 449-452)

Edited by:

S.-G. Kang and T. Kobayashi

Pages:

137-140

DOI:

10.4028/www.scientific.net/MSF.449-452.137

Citation:

T. Masuda et al., "Notch Effects on Impact Tensile Properties in A6061-T6 Aluminum Alloy", Materials Science Forum, Vols. 449-452, pp. 137-140, 2004

Online since:

March 2004

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Price:

$35.00

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