高稀土Mg-Gd合金半固态等温处理过程中微观组织演变

Yuansheng Cheng; Hualing Lu; Sin Wing Norman Chan; Sung Daniel

doi:10.15980/j.tzzz.2019.03.002

高稀土Mg-Gd合金半固态等温处理过程中微观组织演变

Translated title of the contribution: Microstructure Evolution of High Rare Earth Mg-Gd Alloy during Semi-solid Isothermal Treatment Process

Yuansheng Cheng
, Hualing Lu
, Sin Wing Norman Chan
, Sung Daniel

School of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Semi-solid isothermal treatment of magnesium alloys with high Gd content was investigated. The results reveal that temperature and holding time have the obvious effect on the spheroidization of its semi-solid microstructure. With the increase of temperature, the solid particles in the Mg-Gd alloy are increased firstly and then decreased, which is mainly attributed to the growth trend of grain size, increase of liquid phase in grain boundary, interconnection and segmentation of liquid phase inside grains. The spheroidization effect of grain presents desirable increasingly with the increase of temperature and time, and the roundness of the particles is about 1.1.

Translated title of the contribution	Microstructure Evolution of High Rare Earth Mg-Gd Alloy during Semi-solid Isothermal Treatment Process
Original language	Chinese (Traditional)
Pages (from-to)	238-242
Number of pages	5
Journal	Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys
Volume	39
Issue number	3
DOIs	https://doi.org/10.15980/j.tzzz.2019.03.002
State	Published - 20 Mar 2019

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title = "高稀土Mg-Gd合金半固态等温处理过程中微观组织演变",

abstract = "Semi-solid isothermal treatment of magnesium alloys with high Gd content was investigated. The results reveal that temperature and holding time have the obvious effect on the spheroidization of its semi-solid microstructure. With the increase of temperature, the solid particles in the Mg-Gd alloy are increased firstly and then decreased, which is mainly attributed to the growth trend of grain size, increase of liquid phase in grain boundary, interconnection and segmentation of liquid phase inside grains. The spheroidization effect of grain presents desirable increasingly with the increase of temperature and time, and the roundness of the particles is about 1.1.",

keywords = "Grain Spheroidizing, Mg-Gd Alloy, Microstructure, Semi-solid Isothermal Treatment",

author = "Yuansheng Cheng and Hualing Lu and Chan, \{Sin Wing Norman\} and Sung Daniel",

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doi = "10.15980/j.tzzz.2019.03.002",

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T1 - 高稀土Mg-Gd合金半固态等温处理过程中微观组织演变

AU - Cheng, Yuansheng

AU - Lu, Hualing

AU - Chan, Sin Wing Norman

AU - Daniel, Sung

PY - 2019/3/20

Y1 - 2019/3/20

N2 - Semi-solid isothermal treatment of magnesium alloys with high Gd content was investigated. The results reveal that temperature and holding time have the obvious effect on the spheroidization of its semi-solid microstructure. With the increase of temperature, the solid particles in the Mg-Gd alloy are increased firstly and then decreased, which is mainly attributed to the growth trend of grain size, increase of liquid phase in grain boundary, interconnection and segmentation of liquid phase inside grains. The spheroidization effect of grain presents desirable increasingly with the increase of temperature and time, and the roundness of the particles is about 1.1.

AB - Semi-solid isothermal treatment of magnesium alloys with high Gd content was investigated. The results reveal that temperature and holding time have the obvious effect on the spheroidization of its semi-solid microstructure. With the increase of temperature, the solid particles in the Mg-Gd alloy are increased firstly and then decreased, which is mainly attributed to the growth trend of grain size, increase of liquid phase in grain boundary, interconnection and segmentation of liquid phase inside grains. The spheroidization effect of grain presents desirable increasingly with the increase of temperature and time, and the roundness of the particles is about 1.1.

KW - Grain Spheroidizing

KW - Mg-Gd Alloy

KW - Microstructure

KW - Semi-solid Isothermal Treatment

UR - https://www.scopus.com/pages/publications/85068684364

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DO - 10.15980/j.tzzz.2019.03.002

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SN - 1001-2249

VL - 39

SP - 238

EP - 242

JO - Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys

JF - Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys

IS - 3

ER -

高稀土Mg-Gd合金半固态等温处理过程中微观组织演变

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