Manufacturing of optimized technical surfaces through a process combination of stream finishing and laser ablation
通过流精加工和激光烧蚀的工艺组合制造优化的技术表面
基本信息
- 批准号:395790598
- 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 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The aim of the research project is the design of an efficient process strategy for the process combination of laser ablation and stream finishing for the production of optimized technical surfaces with regard to component life using the example of a hydrodynamically lubricated plain bearing (bearing shaft made of the material 42CrMo4 and bearing shell made of the material 100Cr6). A high potential of the process combination of stream finishing for mechanical surface treatment and laser microstructuring for tribological optimization as an efficient post-processing process chain can be derived from the state of the art and our own preliminary work. However, the interactions between both processes and the resulting component states in the boundary layer are of elementary importance and have to be investigated. The hypothesis of increasing a bearings service life by the use of strain hardened and therefore more durable microstructures is to be verified within the scope of the planned project and the understanding of the mechanisms for the process combination is developed. For the investigations, the tribological properties of the plain bearing are of interest in addition to the surface topography, residual stress and strain hardening depth distributions in the boundary layer.
研究项目的目的是以流体动力润滑滑动轴承(轴承轴由材料42CrMo4制成,轴承外壳由材料100Cr6制成)为例,设计一种高效的工艺策略,将激光烧蚀和流光抛光工艺相结合,以生产关于部件寿命的优化技术表面。从目前的技术水平和我们自己的前期工作可以看出,将机械表面处理的流光加工和用于摩擦学优化的激光微结构相结合的工艺作为一种有效的后处理工艺链具有很高的潜力。然而,这两个过程之间的相互作用和所产生的边界层中的组份状态是基本重要的,必须进行研究。通过使用应变硬化的、因此更耐用的微结构来提高轴承使用寿命的假设将在计划的项目范围内得到验证,并且对工艺组合的机理有了进一步的了解。在研究中,除了表面形貌、残余应力和应变硬化深度分布外,滑动轴承的摩擦学特性也是我们感兴趣的。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Optimization of the stream finishing process for mechanical surface treatment by numerical and experimental process analysis
- DOI:10.1016/j.cirp.2019.04.086
- 发表时间:2019
- 期刊:
- 影响因子:0
- 作者:F. Zanger;Andreas Kacaras;P. Neuenfeldt;V. Schulze
- 通讯作者:F. Zanger;Andreas Kacaras;P. Neuenfeldt;V. Schulze
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Professor Dr.-Ing. Volker Schulze其他文献
Professor Dr.-Ing. Volker Schulze的其他文献
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