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中文摘要：
采用元素混合法制备粉末冶金Ti-Al-Mo-V-Ag合金。通过X射线衍射、金相观察、扫描电镜及力学性能测试等方法，研究Ag的添加及烧结温度对基体合金的显微组织与力学性能影响，并对其作用机制进行探讨。结果表明：添加5％～10％Ag（质量分数）可提高基体合金的压坯成型性，最终使烧结合金的致密度与力学性能得到提高；Ti-5A1—4Mo-4V-5Ag合金经过1250℃真空烧结4h后，抗压缩强度及相对密度分别达到1656MPa及96．3％。
英文摘要：
The Ti-Al-Mo-V-Ag alloys were prepared by powder metallurgy using the blended elemental （BE） technique. The effects of Ag additions and sintering temperature on microstructure and properties of the based alloys were investigated using X-ray diffractometry, optical microscopy, scanning electron microscopy and mechanical properties tests. The results show that adding Ag element increases the relative density and improve the mechanical properties of powder metallurgy （P/M） Ti-5Al-4Mo-4V alloy. After sintering at 1 250 ℃ for 4 h, the relative density and compression strength ofP/M Ti-5Al-4Mo-4V-5Ag alloy are 96.3% and 1 656 MPa, respectively.
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