| 大型厚壁管坯锻造内裂分析 |
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| 引用本文： | 姚淑萍,董霞,李晓玲,宗国庆,陈宇轩. 大型厚壁管坯锻造内裂分析[J]. 理化检验(物理分册), 2009, 45(2): 111-113 |
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| 作者姓名： | 姚淑萍 董霞 李晓玲 宗国庆 陈宇轩 |
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| 作者单位： | 姚淑萍,董霞,宗国庆,陈宇轩,YAO Shu-ping,DONG Xia,ZONG Guo-qing,CHEN Yu-xuan(内蒙古北方重工业集团有限公司,包头,014033);李晓玲,LI Xiao-ling(深圳国家863计划材料表面工程技术研究开发中心,深圳,518008) |
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| 摘 要： | 采用化学成分分析、硬度测定、力学性能测试、金相检验及综合分析等方法对内壁表面出现裂纹的大型厚壁管坯进行了分析。结果表明：由于锻造加热时间不足和选用型砧方式不当引起大型管坯内壁产生放射状裂纹。
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| 关 键 词： | 管坯 内壁放射状裂纹 锻造内裂 |
Forging Internal Crack Analysis of Large Thick-walled Tube |
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| YAO Shu-ping,DONG Xia,LI Xiao-ling,ZONG Guo-qing,CHEN Yu-xuan. Forging Internal Crack Analysis of Large Thick-walled Tube[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2009, 45(2): 111-113 |
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| Authors: | YAO Shu-ping DONG Xia LI Xiao-ling ZONG Guo-qing CHEN Yu-xuan |
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| Affiliation: | 1.Inner Mongolia North Heavy Industry Group Corp.Ltd.;Baotou 014033;China;2.Shenzhen State 863 Program Surface Engineering Technology Research and Development Centers;Shenzhen 518008;China |
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| Abstract: | On the inner wall surface through the cracks of large thick-walled tube for chemical composition analysis,hardness,mechanical testing,metallography inspection and analysis.The results showed that,inside large tube radial cracks due to the lack of time and forging heating-anvil approach improper use caused by forging the split. |
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| Keywords: | tube inside radial cracks forging internal crack |
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