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Improving Mechanical Properties of ARNCO 300XT Hardband Welded with Steel 4145H
Author(s): 
Pages: 92-93,96
Year: Issue:  4
Journal: Shaanxi Machinery

Keyword:  ARNCO 300XT耐磨带 预热温度 保温时间 力学性能 焊接裂纹;
Abstract: 研究了4145H钢与ARNCO 300XT耐磨带焊接过程中预热温度和保温时间对4145H钢的显微组织、力学性能以及喷焊带裂纹形态的影响。结果表明,在其他条件不变的情况下,焊前预热温度由原来的150℃提高到330℃,焊后保温时间由原来的4 h延长为6 h,明显提高了耐磨带力学性能,消除了不合格的裂纹。
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