Cracking Reason Analysis of Base Plates of Turnout Plates
摘 要
道岔垫板在生产过程中其底板发生开裂。采用化学分析和金相检验等方法对底板开裂原因进行了分析。结果表明:在钢板中心存在夹杂物和组织偏析是导致底板开裂的主要原因。
Abstract
The base plates of turnout plates cracked in the manufacturing process. The cracked base plates were analyzed by means of chemical composition analysis and metallographic examination. The results showed that the inclusions was located at the center of steel plates and the structural segregation were the main reasons for the cracking.
中图分类号 U213.6+6
所属栏目 质量控制与失效分析
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收稿日期 2008/4/15
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备注尉小明(1975-),男,工程师,学士。
引用该论文: WEI Xiao-ming,ZHANG Jian-guo. Cracking Reason Analysis of Base Plates of Turnout Plates[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2009, 45(5): 290~291
尉小明,张建国. 道岔垫板底板开裂原因分析[J]. 理化检验-物理分册, 2009, 45(5): 290~291
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参考文献
【1】第一机械工业部哈尔滨焊接研究所. 焊接裂缝金相分析图谱[M].哈尔滨:黑龙江科学技术出版社,1981.
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