| 铝基复合材料薄带中SiC分布均匀性的研究 |
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| 引用本文： | 潘复生 Edmo.,DV.铝基复合材料薄带中SiC分布均匀性的研究[J].复合材料学报,1995,12(1):32-37. |
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| 作者姓名： | 潘复生 Edmo. DV |
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| 作者单位： | 重庆大学冶金及材料工程系 |
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| 基金项目： | 英国文化委员会和国家教委优秀年轻教师基金资助 |
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| 摘 要： | 本文研究了用双辊铸机生产的SiCp/A356复合材料薄带中SiC的分布规律,着重分析了SiC颗粒的体积分数(3%～16%)和薄带的铸造速度(0.5～10m/min)对SiC颗粒分布均匀性的影响,结果表明,较高的SiC含量或较高的铸造速度均可抑制薄带表面贫SiC层的形成。
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| 关 键 词： | 铝基复合材料 Al-Si合金 SiC颗粒 双辊铸造 近形铸造 |
| 收稿时间： | 1993-09-09 |
| 修稿时间： | 1994-02-10 |
THE SIC PARTICULATE DISTRIBUTION IN THE AS-CAST STRIPS OF SICPT/A356 ALUMINIUN MATTRIX COMPOSITES BY THE TWIN ROLL CASTING |
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| Pan Fusheng, Ding Peidao,Liang Xiaoping,D.V.Edmonds.THE SIC PARTICULATE DISTRIBUTION IN THE AS-CAST STRIPS OF SICPT/A356 ALUMINIUN MATTRIX COMPOSITES BY THE TWIN ROLL CASTING[J].Acta Materiae Compositae Sinica,1995,12(1):32-37. |
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| Authors: | Pan Fusheng Ding Peidao Liang Xiaoping DVEdmonds |
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| Affiliation: | 1. Department of Metallurgy and Materials Engineering, Chongqing University, Chongqing 630044, P. R. China;2. Oxford University, U. K. |
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| Abstract: | The twin roll casting of the SiCp/A356 aluminium matrix composite strips is investigated,with particular attention to the effects of the SiC volume fraction (3%-16%) and the casting speed (0.5-10m/min) on the SiC particulate distribution. A SiC-poor layer is found in the as-cast strips. When a higher casting speed is used,or there is a higher SiC volume fraction in the composites,the particulate-poor layer can be virtually eliminated. The results also show that the rapid solidification process of the twin roll casting can obviously refine aluminium-silicon eutectic structure and improve the SiC distribution in the matrix. |
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| Keywords: | aluminium matrix composites Al-Si alloys SiC particulates twin roll casting near net shape casting |
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