交叉轧制周期对高纯Ta板变形及再结晶梯度的影响

祝佳林,刘施峰,曹宇,柳亚辉,邓超,刘庆

Effect of Cross Rolling Cycle on the Deformed and Recrystallized Gradient in High-Purity Tantalum Plate

Jialin ZHU,Shifeng LIU,Yu CAO,Yahui LIU,Chao DENG,Qing LIU

表2 不同厚度层不同取向晶粒内的储存能及用于计算的相关参数

Table 2 Orientation-dependent stored energy of 1 and 2 cycle samples at different thicknesses by XLPA

Rolling cycle Position Diffraction plane Yhkl[21,22,23] vhkl[21,22,23] Br Ba Ehkl GPa J·mol-1 First cycle Surface (200) 145.517 0.316 0.185 0.100 3.997 (222) 387.931 0.362 0.318 0.140 5.037 Quarter (200) 145.517 0.316 0.179 0.100 3.636 (222) 387.931 0.362 0.302 0.140 4.425 Center (200) 145.517 0.316 0.218 0.100 6.192 (222) 387.931 0.362 0.453 0.140 11.469 Second cycle Surface (200) 145.517 0.316 0.190 0.100 4.306 (222) 387.931 0.362 0.312 0.140 4.804 Quarter (200) 145.517 0.316 0.186 0.100 4.058 (222) 387.931 0.362 0.295 0.140 4.166 Center (200) 145.517 0.316 0.197 0.100 4.753 (222) 387.931 0.362 0.326 0.140 5.356