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工业化高性能医用TC4ELI合金棒材的研制
工业化高性能医用TC4ELI合金棒材的研制Preparation of high properties TC4ELI alloy bars for medical application on industry
通过对以往工业化规模生产的TC4ELI合金工艺进行改进,研究退火温度、时间对合金棒材显微组织的影响规律,确定合金棒材加工过程中的最佳中间加热或退火工艺,最终获得了组织细小均匀、综合力学性能优良的医用合金常用规格棒材。同时,合金在保持高塑性的同时,强度至少提高了50~100 MPa,完全满足新型医疗器械对材料性能的市场要求,并可与进口产品相媲美。
The effect of annealing temperature and time on the microstructures of the bars was studied after improving the processing of TC4ELI alloy bars, and the optimum intermediate heating or annealing technology of alloy bars was also determined during processing. Eventually, the alloy bars with the fine and homogeneous microstructure and excellent mechanical properties were achieved. Meanwhile, the strength of the alloys with very high plasticity were increased by at least 50-100 MPa, which meet fully the need of the new medical devices to material properties, and can be comparable with the imported products.
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