PORTEVIN-LE CHATELIER EFFECT IN COMMERCIAL AI-Cu-Mg ALLOY

Acta Metall Sin

1985, Vol. 21

Issue (4): 1-7 DOI:

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PORTEVIN-LE CHATELIER EFFECT IN COMMERCIAL AI-Cu-Mg ALLOY

ZHANG Caipei;WANG Hongxiang;WANG Jiyao;LAI Zuhan Northeast Institute of Technology;Shenyang

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ZHANG Caipei;WANG Hongxiang;WANG Jiyao;LAI Zuhan Northeast Institute of Technology;Shenyang. PORTEVIN-LE CHATELIER EFFECT IN COMMERCIAL AI-Cu-Mg ALLOY. Acta Metall Sin, 1985, 21(4): 1-7.

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Abstract A study in a certain range of temperature and strain rate was made of thePortevin-Le Chatelier effect in the sheet specimens as-quenched or further pur-posely aged for a short-term of a commercial Al alloyc ontaining 4.19% Cu and1.25% Mg.It resulted that the ripple marking formation on the surface of thesheet may be delayed by the further short-term aging after quenching.Thus,thedynamic strain aging process is likely to delay the happening of inhomogeneousdeformation band on the alloy sheet.

Received: 18 April 1985

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1985/V21/I4/1

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