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D406A钢电子束焊接头组织及性能分析

Ruican Zhu,Yikun Zhang,Jingduo Liu,Lina Zhang,Lin Lü,Xu Han

WELDING & JOINING（2011）

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Abstract
采用两种焊接规范对D406A钢进行电子束焊接,并对焊接接头进行930℃油淬+300℃空冷回火的焊后调质处理,借助金相显微镜和扫描电镜对焊接接头显微组织、拉伸断口及相组成进行分析,并对接头进行室温拉伸性能测试和显微硬度测试.结果表明,该合金采用电子束焊,接头正背面成形良好,接头性能与氩弧焊接头性能相当.
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