在低频力学谱仪上用强迫振动方法研究了化学成分对淬火的Ni-Al基合金相变内耗的影响.结果显示:化学成分对淬火的Ni-Al基合金相变内耗峰有明显的影响,随着Fe含量的增加,相变内耗峰的温度降低,峰高增加,而峰宽变窄,峰温的降低是由于Fe增加了γ相的稳定性所致,内耗峰这些参数的变化也与当量Aleq有关.
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