TC4金字塔点阵结构的激光焊接及其平压性能

刘玮, 王辉, 褚兴荣, 王延刚, 高军

Manufacturing Process and Compression Performance of TC4 Pyramid Lattice Structure with Laser Welding

LIU Wei, WANG Hui, CHU Xingrong, WANG Yangang, GAO Jun

表4 焊点直径数学模型的方差分析表

Table 4 Variance analysis of the solder joint diameter mathematical model

Source Sum of squares Degree of freedom Mean square F value P value Model 66.61 9 7.40 28.39 0.0001 A 9.44 1 9.44 36.21 0.0005 B 30.69 1 30.69 117.74 <0.0001 C 7.92 1 7.92 30.38 0.0009 AB 5.71 1 5.71 21.91 0.0023 AC 0.56 1 0.56 2.13 0.189 BC 0.065 1 0.065 0.25 0.6328 A2 0.024 1 0.024 0.093 0.7689 B2 12.23 1 12.23 46.90 0.0002 C2 0.023 1 0.023 0.087 0.7763 Residual 1.82 7 0.26 - - Lack of fit 1.68 3 0.56 15.34 0.0117 Pure error 0.15 4 0.036 - - Cor total 65.44 16 - - -