Influence of preparation-induced residual stresses in the cutting edge of cutting tools on the wear behavior of extremely hard cutting materials
切削刀具切削刃中制备引起的残余应力对极硬切削材料磨损行为的影响
基本信息
- 批准号:445562529
- 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:
- 资助国家:德国
- 起止时间:
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The cutting edge microgeometry has a significant influence on tool life. By preparation processes such as brushing, grinding or laser ablation of tools, this can be set in a targeted manner. The preparation processes significantly influences the residual stress condition and thus the tool life. In order to understand the influence of the preparation processes on the residual stress state, residual stress measurements in the influenced area of the cutting edge are necessary. Due to the very small measuring range, it is not possible to determine the residual stresses using X-ray methods. Raman microscopy is a method which offers measuring residual stresses locally in the cutting edge. After calibration of the measuring method by applying load stresses, PCD and PcBN tools will be prepared by grinding, laser ablation, brushing or EDM. The residual stress state is then determined using Raman microscopy and the tools are applied in turning experiments with AlSi10Mg or 100Cr6 to determine the influence of the residual stresses on tool life. The originality of the project is characterised by the establishment of a measuring method for the determination of local residual stresses directly in the cutting edge and their consideration in a machining simulation in order to obtain a deeper understanding of wear and failure mechanisms in the cutting materials PCD and PcBN.
切削刃的微观几何形状对刀具寿命有重要影响。通过准备过程,如工具的刷涂、研磨或激光烧蚀,这可以有针对性地设置。制备工艺显著影响残余应力状况,从而影响刀具寿命。为了了解制备工艺对残余应力状态的影响,有必要对切削刃受影响区域的残余应力进行测量。由于测量范围非常小,无法使用X射线方法确定残余应力。拉曼显微镜是一种测量切削刃局部残余应力的方法。在通过施加负载应力校准测量方法后,将通过磨削、激光烧蚀、刷涂或EDM制备PCD和PcBN工具。残余应力状态,然后确定使用拉曼显微镜和刀具中应用的车削实验与AlSi 10 Mg或100 Cr 6,以确定残余应力对刀具寿命的影响。该项目的独创性在于建立了一种直接测定切削刃中局部残余应力的测量方法,并在加工模拟中考虑了这些残余应力,以便更深入地了解切削材料PCD和PcBN的磨损和失效机制。
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. Bernd Breidenstein其他文献
Professor Dr. Bernd Breidenstein的其他文献
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{{ truncateString('Professor Dr. Bernd Breidenstein', 18)}}的其他基金
Manufacturing and Process Behaviour of Cutting Tools made of Stone
石材切削工具的制造及加工行为
- 批准号:
392377639 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Investigastion of the bonding mechanisms between veneering and framework material of all-ceramic dental restorations
全瓷牙修复体贴面与骨架材料粘接机制研究
- 批准号:
272425256 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
Optimizing of PVD coatings for dry cutting applications by FE-simulation
通过 FE 模拟优化干切削应用的 PVD 涂层
- 批准号:
258383513 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Research Grants
Applikationsspezifisches Design von PVD-Beschichtungen für Zerspanwerkzeuge
针对切削刀具的 PVD 涂层的特定应用设计
- 批准号:
213842972 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Research Grants (Transfer Project)
Development of PVD-coated cutting tools made of natural rocks
开发由天然岩石制成的 PVD 涂层切削工具
- 批准号:
509573611 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Load-optimized design of PVD tool coatings
PVD 刀具涂层的负载优化设计
- 批准号:
462262910 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants (Transfer Project)
Functionalized subsurface zone for load-oriented fatigue behavior of hardened components
用于硬化部件负载导向疲劳行为的功能化地下区域
- 批准号:
468005437 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Process-reliable adjustment of subsurface zone properties in the machining of high-strength and ductile steels using an adaptive manufacturing system
使用自适应制造系统对高强度和延性钢加工中的地下区域特性进行过程可靠的调整
- 批准号:
401800578 - 财政年份:
- 资助金额:
-- - 项目类别:
Priority Programmes
Combined production of AISI H13 tool steel using laser-based additive manufacturing and mechanical finishing to increase performance and durability
使用激光增材制造和机械精加工联合生产 AISI H13 工具钢,以提高性能和耐用性
- 批准号:
528603925 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Investigation of the correlations between the properties, the grinding process and the operational behavior of rocks as a cutting material
研究岩石作为切削材料的特性、磨削过程和操作行为之间的相关性
- 批准号:
503208052 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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