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本文用鱼骨形法和十字接头测量法,并对实验结果进行回归分析以研究微量铜(0.05～1.45％)和锆(0.10～0.31％)对含铬高强(Zn+Mg≈8.0％)和含锰中强 Al-Zn-Mg 合金(Zn+Mg≈6.5％)焊接裂纹敏感系数(K,％)的影响。
In this paper, fishbone method and cross-joint method were used to study the effects of trace copper (0.05-1.45%) and zirconium (0.10-0.31%) on the high-chromium (Zn + Mg≈8.0%) and Effect of Sensitivity (K,%) on Welding Crack Sensitivity of Medium Manganese-Containing Al-Zn-Mg Alloy (Zn + Mg≈6.5%).