... weld metal composition烧焊金属构败 weld metal cracking焊缝裂纹 weld metal zone焊缝金属区; 烧焊金属熔融区 ...
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It was found that the solidification cracking susceptibility of weld metal increases remarkably as nickel content increases.
结果表明：随着焊缝中含镍量的增加，焊缝金属的凝固裂纹敏感性增大。
The improvement of microstructure leads to a considerable reduction of the susceptibility of hot cracking of weld metal as indicated by the transverse-varestraint test.
增加焊缝中的共晶数量并改善其分布形态，从而有助于降低焊缝金属的热裂纹敏感性。
Disadvantages include risk of hydrogen cracking in carbon steels and weld metal porosity in aluminium alloys.
缺点是在碳钢中有氢致裂纹、铝合金中有焊缝气孔产生的危险。
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