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Journal of Materials Engineering and Performance

Erschienen in:

01.01.2013

Development of a Binary Zn-Based Solder Alloy for Joining Wrought Magnesium Alloy AZ31B

verfasst von: Li Ma, Weimin Long, Peixin Qiao, Dingyong He, Xiaoyan Li

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 1/2013

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Abstract

In the present article, the wrought magnesium alloy AZ31B sheets were soldered by means of high-frequency induction heating device using a novel binary Zn-based solder alloy in argon gas shield condition. The interfacial microstructure, phase constitution, and fracture morphology of the soldered joint were studied. The microhardness and shear strength of the soldered joint were tested. The experimental results exhibit that α-Mg solid solution and γ-MgZn phase were formed in soldering region. Moreover, the β-Mg₇Zn₃ phase in the original Zn-based solder alloy disappeared completely after the soldering process due to the fierce alloying between the molten binary Zn-based solder alloy and the base metal AZ31B during soldering. Test results show that the shear strength of the soldered joint is 28 MPa. The fracture morphology of the soldered joint displays an intergranular fracture mode, and the crack originates from α-Mg + γ-MgZn eutectoid structure. The interaction between the molten Zn-based solder alloy and the base metal AZ31B leads the Zn-based solder alloy to be transformed into Mg-based soldering metal during soldering.

Vorheriger Artikel Optimization of Processing Parameters for WC-11Co Cemented Carbide Doped with Nano-Crystalline CeO2

Nächster Artikel Effect of Melt-to-Solid Insert Volume Ratio on Mg/Al Dissimilar Metals Bonding

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Titel: Development of a Binary Zn-Based Solder Alloy for Joining Wrought Magnesium Alloy AZ31B
verfasst von: Li Ma
Weimin Long
Peixin Qiao
Dingyong He
Xiaoyan Li
Publikationsdatum: 01.01.2013
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 1/2013
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-012-0241-0

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