Influence of base material properties on copper and aluminium-copper explosive welds

被引：26

作者：

Carvalho, G. H. S. F. L. ^{[1
]}

Galvao, I ^{[1
,2
]}

Mendes, R. ^{[3
]}

Leal, R. M. ^{[1
,4
]}

Loureiro, A. ^{[1
]}

机构：

[1] Univ Coimbra, Dept Mech Engn, CEMMPRE, Coimbra, Portugal

[2] Polytech Inst Lisbon, Dept Mech Engn, ISEL, Lisbon, Portugal

[3] Univ Coimbra, Dept Mech Engn, LEDAP, ADAI, Coimbra, Portugal

[4] Polytech Inst Leiria, ESADCR, Leiria, Portugal

来源：

SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2018年 / 23卷 / 06期

关键词：

Aluminium; copper; interface; energy; intermetallic phases; explosive mixture; MECHANICAL-PROPERTIES; STAINLESS-STEEL; CARBON-STEEL; INTERFACE; PLATES; MICROSTRUCTURE; WELDABILITY; WAVY;

D O I：

10.1080/13621718.2017.1417783

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of base material properties on the interfacial phenomena in copper and aluminium-copper explosive welds was studied. Two explosive mixtures with different detonation velocities were tested. Sound aluminium-copper joints with effective bonding were achieved by using an explosive mixture with a lower detonation velocity. High energy explosives led to extensive interfacial melting, preventing the production of consistent dissimilar welds. Unlike to the similar copper joints, the aluminium-copper welds presented very asymmetrical interfacial waves, rich in intermetallic phases and displaying a curled morphology. The interaction of the materials in dissimilar welding was found to be completely different depending on the positioning of each alloy in the joint, i.e. positioned as the flyer or as the baseplate.

引用

页码：501 / 507

页数：7

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