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炉膛温度对定向凝固Al-Cu合金热裂的影响
引用本文:丁浩,傅恒志,刘忠元,罗栓柱,薛玉芳. 炉膛温度对定向凝固Al-Cu合金热裂的影响[J]. 铸造技术, 1996, 0(5)
作者姓名:丁浩  傅恒志  刘忠元  罗栓柱  薛玉芳
作者单位:西北工业大学
摘    要:采用半定量等级评定方法,研究了炉膛温度变化对定向凝固Al-0.6%Cu和Al-2.0%Cu两种合金热裂倾向的影响.定向凝固冷却曲线的测量和热裂形式的凝固分析表明:定向凝固过程中合金的不可补缩长度对热裂纹的形成有重要影响.

关 键 词:定向凝固  炉膛温度  热裂  不可补缩长度

Influence of Furnace Temperature on Hot Cracking of Directionaly Solidified Al Cu Alloys
Ding Hao Fu Hengzhi Liu Zhongyuan Luo Shuanzhu Xue Yufang. Influence of Furnace Temperature on Hot Cracking of Directionaly Solidified Al Cu Alloys[J]. Foundry Technology, 1996, 0(5)
Authors:Ding Hao Fu Hengzhi Liu Zhongyuan Luo Shuanzhu Xue Yufang
Affiliation:Northwestern Polytechnical University
Abstract:Hot cracking experiments were carried out for Al 0 6wt%Cu and Al 2 0wt%Cu alloys in directional solidification device under different furnace temperature.The hot cracking fendency of Al Cu alloys was evaluated in a semi quantative method.With measurement of cooling curves in directional solidification process,the formation of hot cracks in solidification process was theoretically analysed.It was discovered that hot cracking tendency of directionally solidified Al Cu alloys corresponds with their uncompensated distance under different furnace temperature.
Keywords:Directional solidification Furnace temperature Hot cracking Uncompensated distance
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