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材料工程  2005 

Re对单晶高温合金持久性能的强化作用

, PP. 10-14

Keywords: 持久寿命,Re,强化作用

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Abstract:

通过对四种不同Re含量的单晶高温合金1100℃/140MPa持久性能研究,探讨了Re对单晶高温合金持久性能的强化作用.结果表明合金的稳定性显著影响Re对高温持久性能的强化作用.适量Re提高单晶高温合金的持久寿命,过量Re降低合金的稳定性,明显降低Re对合金的强化作用.

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