本文用晶体区熔生长理论对激光加热基座法生长的单晶光纤形状稳定问题作了研究。
In the paper, the shape stability of single crystal fibers grown by laser heating float zone growth method is studied with zone melt growth theory.
焊点处形状记忆效应消失，在焊点熔核外热影响区以外形状记忆效应跟母材相同。
The shape memory effect in weld disappear, beyond the HAZ, shape memory effect resume.
数值计算结果表明：T型接头焊趾区经过TIG电弧重熔处理后，虽然能够改善焊趾的形状，但该部位仍呈拉伸残余应力状态。
The results show that after TIG arc remelting treatment, the T-joint weld toe area can improve the shape of the weld toe, however, the area till shows a tensile residual stress state.
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