| 热穿孔顶头的失效分析及改进措施研究 |
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| 引用本文： | 曹鹏军,仵海东.热穿孔顶头的失效分析及改进措施研究[J].钢铁研究,1998(4):35-38. |
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| 作者姓名： | 曹鹏军 仵海东 |
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| 作者单位： | 重庆钢铁高等专科学校 |
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| 摘 要： | 对穿孔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 高温性能 失效分析 |
SERVICE STATUS QUO OF HOT PIERCER POINT AND WAYS TO ENHANCE ITS SERVICE LIFE |
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| Cao Penjun ,Wu Haidong, Zhou Anruo.SERVICE STATUS QUO OF HOT PIERCER POINT AND WAYS TO ENHANCE ITS SERVICE LIFE[J].Research on Iron and Steel,1998(4):35-38. |
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| Authors: | Cao Penjun Wu Haidong Zhou Anruo |
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| Affiliation: | Chongqing iron and steel Advanced Specialistic School |
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| Abstract: | The failure mechanism and service status quo of hot piercer point in seamless steel tube were analyzed and its failure was mainly caused by piercer point col- lapsing nose ,sticking steel and cracking. One way to enhance the service life of piercer point by means of Re-Al alloying was offered and its feasibility was proved in this pa- per. |
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| Keywords: | hot piercer point Re - Al alloying failure mechanism high temper- ature property |
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