Microstructure and properties of welds between 5754 Al alloys and AZ31 Mg alloys using a Yb:YAG laser

被引：0
|
作者：
Bannour, Sana [2 ]
Autric, Michel [1 ]
Masse, Jean-Eric [3 ]
Mattei, Simone [4 ]
Mhiri, Hatem [2 ]
机构：
[1] Aix Marseille Univ, IUSTI Ind Thermal Syst Lab, Joint Res Lab Univ CNRS 7343, F-13453 Marseille 13, France
[2] Ecole Natl Ingenieurs Monastir, Unite Therm & Thermodynam Procedes Ind, Monastir 5019, Tunisia
[3] Arts & Metiers ParisTech, Lab MSMP Mech Surfaces & Mat Processing, F-13617 Aix En Provence, France
[4] Univ Bourgogne, Lab Interdisciplinaire Carnot, Laser & Mat Proc Grp, Joint Res Lab Univ CNRS 5209, F-71200 Le Creusot, France
来源：
XX INTERNATIONAL SYMPOSIUM ON HIGH-POWER LASER SYSTEMS AND APPLICATIONS 2014 | 2015年 / 9255卷
关键词：
Magnesium alloys; Aluminum alloys; Laser welding; Microstructure characterization; Dissimilar Materials;
D O I：
10.1117/12.2070989
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dissimilar laser beam welding between A5754 Al alloys and AZ31 Mg alloys with the plate thickness of 2 mm was investigated. Complex flow pattern characterized by a large volume of intermetallic compounds Al12Mg17 and Al3Mg2 is formed in the fusion zone. Microhardness measurement of the dissimilar welds presents an uneven distribution due to the complicated microstructure of the weld, and the maximum value of microhardness in the fusion zone is much higher than of the base materials.
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页数：9
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