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焊接热输入对核电用低合金钢焊条熔敷金属力学性能的影响

黄义芳,陈维富,蒋勇,朱平,赵建仓,郭晓凯,黄腾飞,邱振生

JIXIE ZHIZAO WENZHAI(HANJIE FENCE)（2016）

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Abstract
针对核电用低合金钢焊条CHE608HR2,采用改变焊接热输入的方法,借助金相显微镜,研究了焊接热输入对其熔敷金属力学性能及组织的影响.结果表明,熔敷金属力学性能随着焊接热输入量增大而降低,焊接热输入大于32 kJ/cm时,熔敷金属力学性能下降明显;焊接热输入小于等于25 kJ/cm时,熔敷金属力学性能最优.
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