Development of appropriate processes and cutting tools for precision machining of Co-Cr-Mo superalloys to increase the safety of medical implants
开发用于 Co-Cr-Mo 高温合金精密加工的适当工艺和切削工具,以提高医疗植入物的安全性
基本信息
- 批准号:387598706
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2017
- 资助国家:德国
- 起止时间:2016-12-31 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Especially, in the processing of medical implants, it is important to ensure defined surface textures and small deformed boundary layers in order to avoid premature failure of the component and superficial erosion. This can be achieved by an optimized cutting process. As shown in the preparatory work for roughing the hip ball made of cobalt-chromium-molybdenum, the finishing of the artificial acetabulum is now to be examined in this advanced research projects. In addition, the experimental test effort should be minimizedby the use of FE-simulations of machining. Since these material models for the material Co-Cr-Mo are currently not available, the development these models is a key objective of this research project. This will be realized in close cooperation with the Institute of Materials Science and Joining Technology. In this project a finishing process will be developed with a defined cutting edge. The aim is to produce a surface roughness of Ra = 0.1 microns by turning and rotary milling. An innovative approach is the microstructuring of cutting materials such as PCD, CVD-D, MKD and CBN. This also applies to the process-induced modification of the material mechanical properties such as a specifically adjusted proportion of epsylon-phase in the subsurface areas of Co-Cr-Mo alloys. Reflections on the process rotary milling are planned in order to achieve appropriate surface roughness and reduce cutting forces.
特别是在医疗植入物的加工过程中,确保限定的表面纹理和小的变形边界层以避免部件的过早失效和表面侵蚀是重要的。这可以通过优化的切割过程来实现。正如钴铬钼髋关节球粗加工的准备工作所示,人工髋臼的精加工现在将在该高级研究项目中进行检查。此外,实验测试工作应尽量减少使用加工的有限元模拟。由于目前还没有Co-Cr-Mo材料的这些材料模型,因此开发这些模型是本研究项目的一个关键目标。这将通过与材料科学和连接技术研究所的密切合作来实现。在本项目中,将开发一种具有定义的切削刃的精加工工艺。目标是通过车削和旋转铣削产生Ra = 0.1微米的表面粗糙度。一种创新的方法是切削材料的微观结构,如PCD,CVD-D,MKD和CBN。这也适用于材料机械性能的工艺诱导改性,例如Co-Cr-Mo合金表面下区域中epsylon相的特定调节比例。计划对旋转铣削过程进行反思,以实现适当的表面粗糙度并减少切削力。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr.-Ing. Thorsten Halle其他文献
Professor Dr.-Ing. Thorsten Halle的其他文献
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{{ truncateString('Professor Dr.-Ing. Thorsten Halle', 18)}}的其他基金
Modelling, simulation and compensation of thermal effects by hobbing gears
滚齿齿轮热效应的建模、仿真和补偿
- 批准号:
178975135 - 财政年份:2010
- 资助金额:
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后续轨迹曲线的实验确定和描述
- 批准号:
55601078 - 财政年份:2007
- 资助金额:
-- - 项目类别:
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