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OALib Journal期刊
ISSN: 2333-9721
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多孔医用ti--24nb--4zr--8sn合金的制备和力学性能
Keywords: 金属材料,？多孔ti--24nb--4zr--8sn,？轧制成形,？弹性模量,？力学性能
Abstract:
？将轧制成形与真空烧结相结合制备出大块多孔ti--24nb--4zr--8sn(%,质量分数,简称ti2448)材料,研究了冷轧形变量(20%--40%)和烧结温度(1100--1300℃)对其孔隙率、平均孔径、压缩强度及杨氏模量的影响。结果表明,在烧结温度相同的情况下,随着冷轧形变量的增加,多孔ti2448合金的孔隙率和平均孔径均减小,压缩强度和弹性模量线性增加。烧结温度对多孔材料孔隙率及孔径的影响不大。在孔隙率相同的情况下,多孔ti2448合金的压缩强度和模量比明显优于纯钛多孔材料。
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