期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 527, 期 10-11, 页码 2669-2677出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2009.12.036
关键词
Magnesium; Texture; Rare earth elements; Extrusion
类别
资金
- Deakin University
A comparative study of the effectiveness of V. La, Ce and Gd as texture modifiers during the extrusion of magnesium-based alloys has been carried out. It was found that La, Ce and Gd are all effective texture modifiers, being able to produce the rare earth texture at the low alloying levels of 300, 400 and 600 ppm respectively. Y was not as effective as the other three elements in modifying the texture, and at no concentration studied did this element form a typical rare earth texture. It is proposed that a strong interaction of solutes with dislocations and grain boundaries is responsible for the significant impact rare earth additions have on the extruded grain size and texture at very low alloying levels. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.
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