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固溶温度对Fe-24Al-Sn合金微观组织和力学性能的影响

Dong HE, Lei SHI,Hai-bo WANG,Qiang LI

Metallic Functional Materials（2017）

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Abstract
研究了不同固溶温度对Fe-24Al-Sn合金的微观组织和力学性能的影响.结果表明,与Fe-24Al合金相比,随着固溶温度从825℃增加到875℃,Fe-24Al-Sn合金的硬度逐渐从379HV增大到394HV,抗压强度逐渐从500 MPa降低到225 MPa,合金变脆.铸态合金的相结构为B2的FeAl相和Fe3Al相,还出现了Fe9Sn和Sn相.随着固溶温度的增加,合金中逐步发生B2→DO3 (Fe3 Al)的相变.
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