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首页> 外文会议>CIRP International Conference on High Performance Cutting >The effect of cutting parameters on cutting force and tool wear in machining Nickel Titanium Shape Memory Alloy ASTM F2063 under Minimum Quantity Nanolubricant
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The effect of cutting parameters on cutting force and tool wear in machining Nickel Titanium Shape Memory Alloy ASTM F2063 under Minimum Quantity Nanolubricant

机译：切削参数对镍钛形状记忆合金ASTM F2063在最小量纳米氢镍中切割力和工具磨损的影响

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The nickel-titanium(NiTi)shape memory alloys have drawn substantial interest among research communities and industries due to their superior properties in shape memory effect and super-elasticity as compared to the typical alloys and super-alloys.The use of this material in biomedical applications has now been widely recognized and accepted due to its biocompatibility to human body.For instance,NiTi alloys under the ASTM F2063 classification are often applied in medical devices and surgical implant applications.However,due to their poor thermal conductivity and high strain or work hardening effects,a number of complications arise when secondary manufacturing processes such as machining are carried out on these alloys.The use of appropriate coolant technology should be able to overcome these problems through effective cooling and lubricating near the cutting zone.In the present study,the influences of machining parameters,namely;cutting speed,feed rate and depth of cut,on the cutting forces and tool wear have been investigated under two modes of cutting environment,namely,dry and minimum quantity nanolubricants.The results show that minimum quantity nanolubrication with aluminium oxide nanoparticles leads to a notable effect in alleviating the amount of tool wear and at the same time controlling the development of cutting force.The reduction in the cutting force and tool wear while applying the minimum quantity nanolubricants is approximately 6-10% and 4-30%,respectively;as to that of dry cutting It was also observed that the main mechanisms of wear for all conditions are mainly abrasion on the flank face of the cutting inserts.As a whole,the lubrication approach suggested in this study is an effective strategy to reduce ecological impacts and offer cost effective alternative for machining these unique alloys.
机译：由于它们的形状记忆效果和超弹性的优异性能，与典型合金和超合金相比，镍钛（NITI）形状记忆合金在研究社区和工业中汲取了大量兴趣。使用这种材料在生物医学中的使用由于其对人体的生物相容性，申请现已被广泛认可和接受。例如，在ASTM F2063分类下的NITI合金通常用于医疗装置和手术植入物应用。然而，由于它们差的导热性和高应变或工作硬化效果，当在这些合金上进行加工等二次制造方法时出现多种并发症。使用适当的冷却剂技术应该能够通过有效的冷却和润滑在切割区附近润滑来克服这些问题。在本研究中，加工参数的影响，即;切割速度，进给速度和切割深度，切割已经在两种切割环境模式下进行了调查了RCE和工具磨损，即干燥和最小量纳米脂磺酸。结果表明，氧化铝纳米粒子的最小量纳米抑制导致减轻工具磨损量和同时的显着效果控制切削力的发展。施加最小量纳米脂磺酸的切削力和工具磨损的减少分别为约6-10％和4-30％;对于干切割的情况，还观察到主要机制所有条件的磨损主要是磨损切削刀片的侧面。整体上，本研究中建议的润滑方法是减少生态影响的有效策略，并提供成本有效的加工这些独特合金的替代方案。

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