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WANG Rong, Li Jin, YANG Li. CRACKING ANALYSIS OF STEAM PIPE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(2): 90-93.
Citation: WANG Rong, Li Jin, YANG Li. CRACKING ANALYSIS OF STEAM PIPE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(2): 90-93.
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CRACKING ANALYSIS OF STEAM PIPE

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  • Received Date: January 29, 2007
    Graphical Abstract
    • Abstract
  • The steam pipe was cracked by one and a half year after plunged in use,whose expected service life should be 15~20 years and the materials was 15CrMoG. It was proved that the pipe was used in super temperature condition according to the spot survey. The analysis showed that the chemical composition and mechanics properties of materials met that the technology standard stated. The creep hole and g metallographic examination implied that sphere shape pearlite was formed. The high temperature mechanical properties dramatically dropped at a temperature of 705 ℃. And the fracture analysis showed that the fracture was a kind of crack character.
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    • References (5)
  • [1]
    钟佑昌.锅炉屏式过热器夹持管爆裂原因分析［Z］.上海:中国机械工程学会第三界全国失效分析会议论文集,1993:436．
    [2]
    廖景娱.金属构件失效分析［M］.北京:化学工业出版社,2003:60．
    [3]
    陆明炯.实用机械工程材料手册［M］.沈阳:辽宁科学技术出版社,2004:138．
    [4]
    范钦珊.压力容器的应力分析与强度设计［M］.北京:原子能出版社,1973:32．
    [5]
    GB 50316-2000 工业金属管道设计规范［S］．
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