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首页> 外文期刊>Procedia CIRP >The Influence of Material Properties on the Tool Crater Wear When Machining Ti6Al4V Produced by Additive Manufacturing Technologies
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The Influence of Material Properties on the Tool Crater Wear When Machining Ti6Al4V Produced by Additive Manufacturing Technologies

机译：增材制造技术生产的Ti6Al4 V时，材料性能对刀具陨石坑磨损的影响

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摘要

In the biomedical field the Additive Manufacturing (AM) technologies are increasingly being adopted for the production of near-net-shape products made in titanium alloys, however finishing machining operations can be necessary to obtain the required geometrical tolerances and surface characteristics. This paper aims at investigating the effects of the workpiece properties on the tool crater wear behavior in semi-finishing turning of Ti6Al4 V produced by Electron Beam Melting (EBM) and Direct Metal Laser Sintering (DMLS) AM technologies in comparison with the one of the wrought commercial alloy. Liquid nitrogen was used as a coolant to reduce the crater wear and its performances compared with dry turning. A correlation is proved between the mechanical and thermal properties of the investigated alloys and the crater wear occurrence.
机译：在生物医学领域，越来越多地采用增材制造（AM）技术来生产钛合金制成的近终形产品，但是，为获得所需的几何公差和表面特性，可能必须进行精加工。本文旨在研究电子束熔化（EBM）和直接金属激光烧结（DMLS）AM技术生产的Ti6Al4 V的半精加工车削中工件特性对工具弹坑磨损行为的影响，与以下方法之一进行比较：锻造商用合金。与干车削相比，液氮被用作冷却剂以减少弹坑磨损及其性能。证明了所研究合金的机械和热性能与月牙洼磨损发生之间的相关性。

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