姜华海,李萍,朱广余.浇注温度和ECAP对铝合金坯料组织的影响[J].精密成形工程,2011,3(1):30-32,58.
JIANG Hua-hai,LI Ping,ZHU Guang-yu.A New Process for Preparation of the Semi-solid Sample of A356 Alloy[J].Journal of Netshape Forming Engineering,2011,3(1):30-32,58. |
| 浇注温度和ECAP对铝合金坯料组织的影响 |
| A New Process for Preparation of the Semi-solid Sample of A356 Alloy |
| 投稿时间：2010-06-08 修订日期：2011-01-10 |
| DOI： |
| 中文关键词: 近液相线法 新SIMA法 A356铝合金 半固态坯料 |
| 英文关键词: near-liquidus method new SIMA A356 alloy semi-solid sample |
| 基金项目: |
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| 中文摘要: |
| 采用近液相线法结合新SIMA法复合工艺制备半固态A356铝合金坯料，研究了浇注温度、等径角挤压（ECAP）和半固态处理温度、时间对坯料组织的影响。结果表明，适当的工艺参数可以制备出球状初生α-Al相晶粒的半固态A356铝合金坯料，其中较合理的工艺参数为：近液相线浇注温度为610 ℃，半固态保温温度为580 ℃，半固态保温时间为20 min。 |
| 英文摘要: |
| The semi-solid sample of A356 alloy was manufactured by new SIMA after pouring at near-liquidus temperature. The effects of pouring temperature, ECAP and holding time on the sample were studied. The results show that the spherical semi-solid A356 alloy sample can be prepared through appropriate process parameters. The method can acquire the matching process parameters which are held 20 minutes at 580 ℃ after pouring at 610 ℃. |
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