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Cr20Ni80镍铬合金电热丝的热处理 被引量:13

Heat treatment of Cr20Ni80 alloy heating wire
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摘要 通过研究固溶温度和时效温度对Cr20Ni80镍铬合金电热丝硬度、电阻率和线膨胀系数的影响,以确定Cr20Ni80合金的固溶及时效工艺。结果表明,最佳处理工艺为1150℃固溶处理+930℃×10 h时效,电热丝的线膨胀系数明显下降,而电阻率无明显变化。 By studying the influence of solid solution temperature and aging temperature on hardness, resistivity, and linear expansion coefficient of Cr20Ni80 alloy heating wire, solid solution and aging process of Cr20Ni80 alloy were determined. The results show that after solid solution at 1150 ℃ and aged at 930 ℃ for 10 h, the linear expansion coefficient decreases significantly, electrical resistivity no change, hardness decreases slightly.
作者 潘丽霞 杨燕
出处 《金属热处理》 CAS CSCD 北大核心 2013年第7期96-98,共3页 Heat Treatment of Metals
关键词 Cr20Ni80合金 电热丝 固溶处理 时效处理 硬度 电阻率 线膨胀系数 Cr20NiS0 alloy heating wire solution treatment aging treatment hardness resistivity linear expansion coefficient
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