研究了Ti-29Nb-13Ta-4.6Zr医用钛合金时效处理对Young's模量和力学性能的影响.实验结果表明:在采用的热处理区间,合金的Young's模量具有组织敏感性.对于具有(α+β)、(α+β+ω)和(β+ω)组织的合金,Young's模量的增加总是伴随着强度和硬度的提高以及塑性的降低.对于具有(β+ω)组织的合金,由于其强度低、模量高和塑性差而不适合作为生物材料.对于具有(α+β)组织的合金,各相体积含量是影响模量和力学性能的主要因素.
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