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Published in:
Twin Transmission Across Grain Boundaries in Mg Read chapter Read first chapter

2020 | OriginalPaper | Chapter

An Investigation on the Microstructure and Mechanical Properties of the Hot-Dip-Aluminized-Q235/AZ91D Bimetallic Material Produced by Solid–Liquid Compound Casting

Authors : Jun Cheng, Jian-hua Zhao, Yao Tang, Jing-jing Shang-guan

Published in: Magnesium Technology 2020

Publisher: Springer International Publishing

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Abstract

The hot-dip-aluminized-Q235/AZ91D bimetallic material was acquired by casting the melted magnesium alloy into the mould where the hot-dip-aluminized-Q235 had been inserted to achieve the lightweight with optimal mechanical properties. The microstructure and mechanical properties of the hot-dip-aluminized-Q235/AZ91D was investigated in this study. The results revealed that the metallurgical reaction in the interface zone which could be divided into two different layers was formed between Q235 and AZ91D. The layer close to AZ91D was composed of MgAl2O4 and Al12Mg17, and the layer adjacent to Q235 was comprised of FeAl3. What’s more, the average microhardness of the interface zone was higher than AZ91D substrate and Q235. Moreover, the average microhardness of the layer close to Q235 (469.6HV) was much higher than the layer adjacent to AZ91D (136HV) due to the generation of FeAl3 and MgAl2O4. In addition, the shear strength of Q235/AZ91D was about 8.22 MPa.

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previous chapter On the Influence of Twinning and Detwinning on the Deformation of Mg at the Micron Scale
next chapter Effect of Zinc on Solidification and Aging Behaviour of Magnesium Alloys Containing Rare Earths
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Metadata
Title
An Investigation on the Microstructure and Mechanical Properties of the Hot-Dip-Aluminized-Q235/AZ91D Bimetallic Material Produced by Solid–Liquid Compound Casting
Authors
Jun Cheng
Jian-hua Zhao
Yao Tang
Jing-jing Shang-guan
Copyright Year
2020
Book
Magnesium Technology 2020

Print ISBN: 978-3-030-36646-9

Electronic ISBN: 978-3-030-36647-6

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-36647-6_54

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