试验指出，通过多次时效处理可以提高合金的蠕变延性，改善合金的缺口敏感性。
The tests shown that the creep ductility were increased and the notch sensitivity of alloy were improved through multiple aging treatments.
中强匹配接头蠕变断裂位置在远离焊缝界面的低强度母材区，呈延性断裂性质。
However, the creep fracture of medium strength match joint, located in the low strength base metal remote from the weld interface, showed a ductile fracture character.
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