一种Ti-Al-Mn系金属间化合物及其制备方法和应用
本申请公开了一种Ti‑Al‑Mn系金属间化合物及其制备方法和应用。该化合物的组成以原子百分比计为:Al 40%至44%,Mn 1.0%至5.0%,Zr1.0%至2.0%,余量为Ti和不可避免的微量杂质。通过添加1.0%至2.0%的Zr,本申请解决了现有Ti‑Al‑Mn合金高温抗氧化性不足的问题,使其在800℃下的循环氧化增重显著降低,并抑制了氧化膜的开裂与剥落。该合金可采用真空熔炼方法制备,适用于制造航空发动机、汽车发动机等领域的高温工件。
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