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Abstract:
介绍了几种焊接材料扩散氢测试精度及方法的研究进展,色谱法、热提取法和水银法都存在一定的误差.扩散氢含量在5~10 mL/100 g范围时,测量误差可达到±1.5 mL/100 g;扩散氢含量小于5 mL/100 g时,测量误差可达到±1 mL/100 g.电弧电压、焊接电流、送丝速度、测试温度、测试时间、环境湿度和熔敷金属总量对于测试结果影响较大,目前的测试方法难以满足低氢及超低氢焊接材料对测试精度的要求.
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焊接
ISSN: 1001-1382
Year: 2011
Issue: 11
Page: 17-21
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
Chinese Cited Count:
30 Days PV: 5
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