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    LIU Shu-feng, WANG Yong-lan, ZHANG Zhi-hui, LIU An-sheng, WANG Shu-ming. CRACKING ANALYSIS OF ELBOW OF OXYGEN-FREE COPPER[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(9): 504-506.
    Citation: LIU Shu-feng, WANG Yong-lan, ZHANG Zhi-hui, LIU An-sheng, WANG Shu-ming. CRACKING ANALYSIS OF ELBOW OF OXYGEN-FREE COPPER[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2008, 44(9): 504-506.
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    CRACKING ANALYSIS OF ELBOW OF OXYGEN-FREE COPPER

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      • Abstract
    • The crack of TU2 brazed elbow appeared during the hard-drawn process. It was investigated by means of SEM,metallography and oxygen content analysis. Results showed that the fracture was caused by higher content of O2,a large amount of Cu2O and residual stress.
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