A great deal of date of metal materials cryogenic creep have been summarized for selecting constrtion materials at low temperature.
2
需要适当的程间温度和正确选择填充金属材料来防止冷热裂缝，产生适当的蠕变阻力和韧性。
The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness.
3
蠕变是金属材料的重要现象，其机理及本构方程的研究则是其重要的研究领域。
Creep is an important phenomenon for metallic materials. The research on its mechanism and its constitutive equation is also an important area.
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