Microstructural characterization and mechanical performance of an AA2024 aluminium alloy ‿Pure copper joint obtained by linear friction welding
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- 作者：M.-N. Avettand-Fè ; noë ; la ; marie-noelle.avettand-fenoel@univ-lille1.fr" class="auth_mail" title="E-mail the corresponding author ; G. Racineuxb ; L. Debeugnyb ; R. Taillarda
- 关键词：Linear friction welding (LFW) ; AA2024 aluminium alloy ; Copper ; Microstructure ; Interface ; Mechanical properties
- 刊名：Materials & Design
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：98
- 期：Complete
- 页码：305-318
- 全文大小：4165 K
文摘
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The microstructure of a dissimilar AA2024 - Cu linear friction joint is investigated at a fine scale.
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A phenomenological mechanism of material flow is proposed.
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Al2Cu, AlCu, Al2Cu3, Al4Cu9 as well as two metastable phases are identified.
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The interfacial zone presents ideal crystallographic shear texture components.
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The intermetallic compounds are harmful for the tensile properties of the joint.