Effect of tool wear on quality in drilling of titanium alloy Ti6Al4V, Part II: Microstructure and Microhardness

Kallol Das; Mahdi Eynian; Anders Wretland

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Effect of tool wear on quality in drilling of titanium alloy Ti6Al4V, Part II: Microstructure and Microhardness

机译：刀具磨损对钛合金Ti6Al4V钻孔质量的影响，第二部分：显微组织和显微硬度

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Drilling of Ti6Al4V with worn tools can introduce superficial and easily measured features such as increase of cutting forces, entry and exit burrs and surface quality issues and defects. Such issues were presented in the part I of this paper. In part II, subsurface quality alterations, such as changes of the microstructure and microhardness variation is considered by preparing metallographic sections and measurement, mapping of the depth of grain deformation, and microhardness in these sections. Drastic changes in the microstructure and microhardness were found in sections drilled with drills with large wear lands, particularly in the dry cutting tests. These measurements emphasize the importance of detection of tool wear and ensuring coolant flow in drilling of holes in titanium components.

机译：用磨损的工具钻孔Ti6Al4V会引入表面且易于测量的特征，例如切削力增加，进出毛刺以及表面质量问题和缺陷。这些问题在本文的第一部分中提出。在第二部分中，通过准备金相截面和测量，绘制这些截面的晶粒变形深度和显微硬度，来考虑地下质量的变化，例如显微组织的变化和显微硬度的变化。在具有较大磨损面的钻头上钻出的断面中发现了显微组织和显微硬度的急剧变化，特别是在干切削试验中。这些测量结果强调了检测工具磨损和确保冷却液在钛零件上钻孔时的重要性。

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《High Speed Machining》 |2017年第1期|共12页
作者
Kallol Das; Mahdi Eynian; Anders Wretland;
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1. Effect of tool wear on quality in drilling of titanium alloy Ti6Al4V, Part I: Cutting Forces, Burr Formation, Surface Quality and Defects [J] . Mahdi Eynian, Kallol Das, Anders Wretland High Speed Machining . 2017,第1期

机译：刀具磨损对钛合金Ti6Al4V钻孔质量的影响，第一部分：切削力，毛刺形成，表面质量和缺陷
2. Effect of Tool Wear on Hole Quality in Drilling of Carbon Fiber Reinforced Plastic-Titanium Alloy Stacks Using Tungsten Carbide and Polycrystalline Diamond Tools [J] . Kim D., Beal A., Kwon P. Journal of manufacturing science and engineering: Transactions of the ASME . 2016,第3期

机译：碳化钨和多晶金刚石工具对碳纤维增强塑料钛合金叠层钻削中刀具磨损对孔质量的影响
3. The effect of monolayer TiCN-, AlTiN-, TiAlN-and two layers TiCN plus TiN- and AlTiN plus TiN-coated cutting tools on tool wear, cutting force, surface roughness and chip morphology during high-speed milling of Ti6Al4V titanium alloy [J] . Kuram Emel Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture . 2018,第7期

机译：单层TICN - ，ALTIN，TiAln-and TiC的效果TiCn加锡和Altin加锡涂层切削工具对Ti6Al4V钛合金高速研磨过程中的工具磨损，切割力，表面粗糙度和芯片形态
4. ANALYSIS OF TOOL WEAR AND HOLE QUALITY DURING ULTRASONIC ASSISTED DRILLING (UAD) OF CARBON FIBRE COMPOSITE (CFC) / TITANIUM ALLOY (TI6AL4V) STACKS [C] . Aishah Najiah Dahnel, Helen Ascroft, Stuart Barnes, ASME international mechanical engineering congress and exposition . 2016

机译：碳纤维复合材料（CFC）/钛合金（TI6AL4V）堆超声辅助钻削（UAD）期间的工具磨损和孔质量分析
5. Tool Wear Monitoring Based on Fractal Analysis of Cutting Force Signals While Machining Titanium Alloy Within CFRP/Titanium Stack [D] . Jamshidi, Maryam. 2018

机译：基于切割力信号分形分析的工具磨损监测在CFRP /钛堆中加工钛合金的同时
6. Enhancing Hardness and Wear Performance of Laser Additive Manufactured Ti6Al4V Alloy Through Achieving Ultrafine Microstructure [O] . Yanqin Li, Lijun Song, Pan Xie, 2020

机译：通过实现超细微组织提高激光添加剂制造的Ti6Al4V合金的硬度和磨损性能
7. Study on Tool Wear and Chip Formation During Drilling Carbon Fiber Reinforced Polymer (CFRP)/Titanium Alloy (Ti6Al4V) Stacks [O] . SenthilKumar M., Prabukarthi A., Krishnaraj V. 2013

机译：碳纤维增强聚合物（CFRP）/钛合金（Ti6Al4V）堆垛钻削过程中刀具磨损和切屑形成的研究

Effect of tool wear on quality in drilling of titanium alloy Ti6Al4V, Part II: Microstructure and Microhardness

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