RETRACTED: Study on Development of Novel Mg-Based Alloys by Rapid Solidification Technology of Twin Roll Casting

Hai Jian Wang; Zhi Pu Pei; Dong Ying Ju

doi:10.4028/www.scientific.net/KEM.804.23

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RETRACTED: Study on Development of Novel Mg-Based Alloys by Rapid Solidification Technology of Twin Roll Casting
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 804RETRACTED: Study on Development of Novel Mg-Based...

RETRACTED: Study on Development of Novel Mg-Based Alloys by Rapid Solidification Technology of Twin Roll Casting

Retracted:

This is retracted paper by authors' request. Authors have different opinion on the results which might be incorrect. More research required.

Abstract:

In this study, Mg-based alloys were prepared by rapid solidification of twin roll casting (TRC), then microstructure and element distribution were investigated respectively with Scanning Electron Microscope (SEM) and Electron Probe Micro Analyzer (EPMA). What’s more, in order to analyze microstructure and crystal structure of Mg-based alloys, experiments on specimens with the usage of X-ray diffraction (XRD) and Transmission Electron Microscope (TEM) were also carried out. At last, the designed Mg-Re magnesium alloy with quasi-amorphous phase plus fine crystalline phase dual phase microstructure produced with our rapid solidification of TRC process. The rapid solidification process realized with a faster casting speed and a thinner roll gap that does not need any anther additional devices and vacuum environment. EPMA results and TEM analyses show that the quasi-amorphous phase has a high concentration in Al and RE element. There are quasi-amorphous phase in the middle of Mg-Re alloy cross section surrounded by dendrites phase and normal crystals. Acknowledgement. This work was supported by Cooperative Research and Development Center for Advanced Materials (CRDAM) funded by the Institute for Materials Research (IMR), Tohoku University (Project Number 18G0042).

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Periodical:

Key Engineering Materials (Volume 804)

Pages:

23-27

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.804.23

Online since:

May 2019

Authors:

Hai Jian Wang, Zhi Pu Pei, Dong Ying Ju*

Keywords:

GFA, Metallic Glasses, Quasi-Amorphous, Rapid Solidification

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Permissions:

Creative Commons CC BY 4.0

Citation:

* - Corresponding Author

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