曹子文,朱明,浦智能,康兴,秦晓晨,刘承泽

• 1:西安科技大学材料科学与工程学院
• 2:西安稀有金属材料研究院有限公司

摘要(Abstract)：

采用放电等离子烧结(SPS)技术制备了Ti_2AlNb合金，研究烧结温度对Ti_2AlNb合金微观组织及力学性能的影响，并使用电子万能试验机及维氏硬度仪对其拉伸性能及硬度进行测试。结果表明：烧结温度为1000℃时，Ti_2AlNb合金因为析出O相最多，所以其高温拉伸性能最佳、硬度最高。随着烧结温度的升高，析出O相变少，高温拉伸性能及硬度均降低。对1200℃烧结制备的Ti_2AlNb合金进行不同工艺的热处理。热处理后，Ti_2AlNb合金的组织由等轴组织转变为魏氏组织，且采用炉冷方式冷却的Ti_2AlNb合金组织细化最明显，析出O相最多，硬度最高。

关键词(KeyWords)： Ti_2AlNb合金;放电等离子烧结;烧结温度;力学性能;热处理

Abstract:

Keywords:

基金项目(Foundation): 陕西省创新能力支撑计划(2023KJXX-095);; 国家自然科学基金青年基金(52203383)

作者(Author): 曹子文,朱明,浦智能,康兴,秦晓晨,刘承泽

DOI: 10.13289/j.issn.1009-6264.2023-0507

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