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| Effect of Ultrasonic Vibration on Crack Resistance of Al-8.0%Cu Alloy |
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.06.009 |
| KeyWord:metal material; Al-8.0%Cu alloy; ultrasonic vibration; melts; hot tearing; fracture |
| Author | Institution |
| LI Jun-wen |
江南大学 机械工程学院先进制造技术系，江苏无锡 ;辽宁工业大学 材料科学与工程学院，辽宁锦州 |
| HAO Zheng-ye |
辽宁工业大学 材料科学与工程学院，辽宁锦州 ; 中国一拖集团有限公司铸造中心，河南洛阳 |
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| Abstract: |
| The effect of ultrasonic vibration on hot tearing of Al-8.0%Cu alloy is investigated with Al-Cu alloy as raw material. The results show that the alloy crack resistance is increased by ultrasonic treatment into melt, and the hot tearing trend is decreased. The fracture section is intergranular fracture and trace of stretched liquid film exists clearly. |
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