Formation Mechanism and Control Measures on Surface Cracks on TP2 Copper Tube in Horizontal Continuous Casting

Liu Yang; Liu Jinsong; Zhang Shihong; Li Haihong; Wu Jinhu

doi:10.15980/j.tzzz.2016.09.021

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Formation Mechanism and Control Measures on Surface Cracks on TP2 Copper Tube in Horizontal Continuous Casting
Vol. 36, Issue 9, Pages: 975-979(2016)
Published： 2016 ，
DOI： 10.15980/j.tzzz.2016.09.021

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[1]刘阳,刘劲松,张士宏,李海红,吴金虎.水平连铸TP2铜管表面裂纹产生原因及控制措施[J].特种铸造及有色合金,2016,36(09):975-979.

Liu Yang, Liu Jinsong, Zhang Shihong, et al. Formation Mechanism and Control Measures on Surface Cracks on TP2 Copper Tube in Horizontal Continuous Casting. [J]. Special Casting & Nonferrous Alloys 36(9):975-979(2016)
[1]刘阳,刘劲松,张士宏,李海红,吴金虎.水平连铸TP2铜管表面裂纹产生原因及控制措施[J].特种铸造及有色合金,2016,36(09):975-979. DOI： 10.15980/j.tzzz.2016.09.021.

Liu Yang, Liu Jinsong, Zhang Shihong, et al. Formation Mechanism and Control Measures on Surface Cracks on TP2 Copper Tube in Horizontal Continuous Casting. [J]. Special Casting & Nonferrous Alloys 36(9):975-979(2016) DOI： 10.15980/j.tzzz.2016.09.021.

摘要

研究了水平连铸生产中TP2铜管表面裂纹缺陷

采用化学成分分析、组织分析、扫描电镜断口分析和能谱分析等方法

分析了表面裂纹形成的原因并提出裂纹控制的措施。根据裂纹产生原因

分别从熔炉纯净度、铸造模具和铸造工艺等方面进行严格控制

明显减少了铜管表面裂纹。

Abstract

Surface cracks on TP2 copper tube in horizontal continuous casting could reduce the final products rate.The formation mechanism of surface cracks on horizontal continuous casting TP2 copper tube and its countermeasures were presented by chemical composition analysis

microstructure observation and SEM

EDS.Based on formation mechanism of crack

through improving purity of furnace and mould design

casting process

surface crack on the copper tube can be eliminated obviously.