合金元素影响Ni41Ti44Cu7Zr8形状记忆合金的相变马氏体屈服应力,分析表明具有合适原子尺寸并且与Ti原子间具有合适的负混合焓的合金元素,能有效提高Ni41Ti44Cu7Zr8合金的马氏体屈服应力.少量的Fe元素添加能够显著降低该合金的相变温度,1％ Fe元素的添加能使合金的相变温度降低约48℃,在室温时表现出超弹性行为；3％ Fe元素的添加能使该合金的马氏体相变温度降低88℃以上,室温加载时不表现形状记忆特征.
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