正文：不锈钢耐蚀层冷焊与热焊的研究 关键词】电渣堆焊；冷焊；热焊；性能检验 [gap=926]Keywords: strip cladding by electroslag；co ld welding；hot welding；performa nce testing
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steel hot weld 金属热喷焊
the hot weld crack 焊接热裂纹
hot gas weld 热风焊接
hot isostatic Pressing Weld 热等静压扩散焊 ; 压扩散焊
weld hot 焊热
weld hot crack 焊缝热裂纹
Hot cracks commonly occurred in inside weld as the forming process of SSAW pipe.
螺旋埋弧焊管在成型过程中容易产生内焊热裂纹。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
The front impact roller causes transverse plastic compression strain in the weld which is in the brittle temperature range, which counteracts the tensile strain which leads to hot cracking.
前轮对处于脆性温度区间的焊缝金属施加一个横向挤压塑性应变，减小甚至抵消致裂的拉伸应变，防止了焊接热裂纹的产生。
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