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Effect of Sb on microstructure of semi-solid isothermal heat-treated AZ61-0.7Si magnesium alloy
  • ISSN号：1003-6326
  • 期刊名称：《中国有色金属学报：英文版》
  • 时间：0
  • 分类：TG166[金属学及工艺—热处理;金属学及工艺—金属学]
  • 作者机构：[1]College of Materials Science and Engineering, Chongqing Institute of Technology, Chongqing 400050, China, [2]College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China
  • 相关基金：Foundation item： Project（50725413） supported by the National Natural Science Foundation for Distinguished Young Scholar in China; Project （2007CB613704） by the Naitonal Basic Research Program of China; Projects（2006AA4012-9-6, 2007BB4400） supported by the Chongqing Science and Technology Commission of China
作者： 杨明波[1,2], 沈佳[1], 潘复生[2]
关键词： 镁合金, AZ61-0.75Si合金, 热处理, MG2SI相, magnesium alloy, AZ61-0.7Si alloy, semi-solid isothermal heat treatment, Mg2Si phase, Sb
中文摘要：

半固体的微观结构等温的对待热的 AZ61-0.7Si 镁合金被调查，并且与修改 Sb 的 AZ61-0.7Si 合金的相比。结果显示由半固体与非树枝状的微观结构生产 AZ61-0.7Si 合金是可能的等温加热处理，并且增加 0.4% Sb 能加速合金的非树枝状的微结构进化。在在 580 瑩被对待以后？

英文摘要：

The microstructure of semi-solid isothermal heat-treated AZ61-0.7Si magnesium alloy was investigated, and compared with that of the Sb-modified AZ61-0.7Si alloy. The results indicate that it is possible to produce the AZ61-0.7Si alloy with a non-dendritic microstructure by semi-solid isothermal heat treatment, and adding 0.4% Sb can accelerate the non-dendritic microstructural evolution of the alloy. After being treated at 580 ~C for 120 min, the Sb-modified AZ61-0.7Si alloys can obtain a non-dendritic microstructure with a higher liquid content （16%-18%） and finer unmelted primary solid particles （43-53 μm） compared with the alloy without Sb modification. In addition, after being treated at 580 ℃ for 120 rain, the Mg2Si phases in the AZ61-0.7Si alloys with and without Sb modification change from initial Chinese script shape to granule and/or polygon shapes.

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期刊论文 176 获奖 6 专利 32
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Mn元素对Mg-Zn系镁合金组织性能影响的研究现状与展望
温度对六方系金属层错能影响的热力学模型
溶质元素及其偏聚对六方系金属层错能的影响
铸态和挤压变形态Mg-Zn-Al-Re镁合金的室温和高温力学性能
挤压温度对Mg-2.0Zn-0.3Zr-0.9Y新型镁合金组织和性能的影响
预变形对挤压态Mg-6%Zn-1%Mn镁合金时效硬化效应和力学性能的影响（英文）
Sn对ZM61合金组织与性能的影响
半连续浇铸AZ61合金中枝晶形貌特性
期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
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  • 被引量:1159