Study on the increment forming properties of TA1 sheet based on ultrasonic assistance
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摘要: 钛及其合金因具有小密度、高比强度、且具有较好的生物相容性等优点，被广泛应用各个领域。将超声辅助渐进成形工艺应用到TA1钛合金板材的渐进成形过程当中，利用Abaqus有限元软件模拟超声辅助渐进成形的过程，并分析了在成形过程中成形力减少的原因，研究了不同的振动参数和工艺参数对TA1钛合金板材成形力影响的规律。结果表明，超声振动可显著降低成形过程中的成形力，为超声振动应用于TA1钛合金板材的渐进成形提供了相关依据。对拓展钛合金板材渐进成形工艺应用具有重要意义。Abstract: Titanium and its alloys are widely used in various fields because of their advantages such as low density, high specific strength and good biocompatibility. In this paper, the ultrasonic assisted incremental forming process was applied to the TA1 incremental forming process of titanium alloy plate, using ABAQUS finite element software simulation of ultrasonic assisted incremental forming process. And the reason of the forming force reducing in the forming process was analyzed, the influence of different vibration parameters and process parameters on forming force of TA1 titanium alloy sheet was studied. The results show that ultrasonic vibration can significantly reduce the forming force, which provides relevant basis for the application of ultrasonic vibration in the increment forming of TA1 titanium alloy sheet. It is of great significance to expand the application of titanium alloy sheet increment forming process.
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