| 热穿孔顶头的使用现状及提高寿命措施 |
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| 引用本文： | 曹鹏军,仵海东,周安若.热穿孔顶头的使用现状及提高寿命措施[J].重庆科技学院学报(社会科学版),1996(4). |
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| 作者姓名： | 曹鹏军 仵海东 周安若 |
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| 作者单位： | 重庆钢铁高等专科学校冶金系，重庆钢铁高等专科学校冶金系，重庆钢铁高等专科学校冶金系 重庆 630050，重庆 630050，重庆 630050 |
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| 摘 要： | 对穿无缝钢管热穿孔顶头的失效机制和使用状况进行了分析研究,认为穿孔顶头的失效形式主要表现为顶头塌鼻、粘钢、开裂。提出了利用稀土铝合金化提高顶头使用寿命的措施,并对该措施的可行性进行了论证。
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| 关 键 词： | 热穿孔顶头 稀土铝合金化 失效机制 高温性能 |
SERVICE STATUS QUO OF HOT PIERCER POINT AND WAYS TO ENHANCE ITS SERVICE LIFE |
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| Cao Pengjun Wu Haidong Zhou Anruo.SERVICE STATUS QUO OF HOT PIERCER POINT AND WAYS TO ENHANCE ITS SERVICE LIFE[J].JOURNAL OF CHONGQING UNIVERSITY OF SCEENCE AND TECHNOLOGY,1996(4). |
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| Authors: | Cao Pengjun Wu Haidong Zhou Anruo |
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| Affiliation: | Department of Metallurgy |
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| Abstract: | The failure mechanism and service sttaus quo of hot piercer point in seamless steel tube were analyzed and its failure was mainly caused by piercer point collapsing nose, sticking steel and cracking.One way to enhance the working life of piercer point by means of Re-Al alloying was offered and its feasibility was proved in this paper. |
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| Keywords: | hot piercer point Re-Al alloying failure mechanism high temperature property |
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