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SHANG Yan-wei, ZHAO Mei-chun, CHEN Wei-feng . Crack Analysis of TP2 Copper Helical Pipe[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2009, 45(3): 172-174.
Citation: SHANG Yan-wei, ZHAO Mei-chun, CHEN Wei-feng . Crack Analysis of TP2 Copper Helical Pipe[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2009, 45(3): 172-174.
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Crack Analysis of TP2 Copper Helical Pipe

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  • Received Date: October 15, 2008
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    • Abstract
  • The macroscopic analysis,chemical composition analysis,SEM observation and metallographic examination were developed to analyze cracks of the TP2 copper helical pipe. The results showed that multiple deformations made the products in a work-hardening state during the cold forming,so internal stress concentrated in the fin-site lead to cracks. And the improved measures were also brought forward.
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    • References (3)
  • [1]
    孙 智,江 利,应鹏展.失效分析基础与应用[M].北京:机械工业出版社,2005．
    [2]
    颜 鹏,王玉霞.空拔管的纵裂与残余应力[J].钢管,1990(1):3-5．
    [3]
    宁吉仁.T2挤压管表面微观裂纹产生的原因及解决途径[J].铜加工,1992(1):144-145．
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