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王永飞,赵升吨,张晨阳.径向锻式应变诱发法制备半固态坯料的研究[J].稀有金属材料与工程(英文),2017,46(12):3875~3881.[Wang Yongfei,Zhao Shengdun,Zhang Chenyang.Semi-Solid Billets Prepared by Radial Forging Strain-Induced Melt Activation[J].Rare Metal Materials and Engineering,2017,46(12):3875~3881.]
Semi-Solid Billets Prepared by Radial Forging Strain-Induced Melt Activation
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Received:October 09, 2015  Revised:October 21, 2015
DOI:
Key words: radial forging strain-induced melt activation  semi-solid isothermal treatment  semi-solid  aluminum alloy
Foundation item:国家自然科学基金重点项目资助(项目号51335009);国家04重大科技专项资助(项目号2011ZX04001-011);国家自然科学基金资助(项目号51305334)
Author NameAffiliationE-mail
Wang Yongfei Xi’an Jiaotong University yongfeio@126.com 
Zhao Shengdun Xi’an Jiaotong University sdzhao@mail.xjtu.edu.cn 
Zhang Chenyang Xi’an Jiaotong University zhangchenyang1333@126.com 
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Abstract:
      The radial forging strain-induced melt activation (RFSIMA) is adopted to process the as-extruded 6063 aluminum alloy. In this research, the influence of radial forging on the microstructure of as-extruded 6063 aluminum alloy has been investigated. The semi-solid microstructural evolution generated by the directly semi-solid isothermal treatment, and initially radial forging predeformation and then semi-solid isothermal treatment have been analyzed. The results indicated that the compaction degree of RF-deformed 6063 aluminum alloy microstructure gradually increases as the area reduction increases. However, this increasing pattern is not obviously when the area reduction increases from 70% to 85%. In addition, the more ideal semi-solid microstructure can be obtained through RFSIMA as compared with the directly semi-solid isothermal treatment.