Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions
TiAlN-coated carbide tools have been used to machine Ti-6Al-4V alloys in aviation workshops. However, the effect of TiAlN coating on surface morphology and tool wear in the processing of Ti-6Al-4V alloys under various cooling conditions has not been reported in the public published literature. In ou...
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MDPI AG
2023-06-01
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author | Jinfu Zhao Zhanqiang Liu Zipeng Gong Annan Liu Yukui Cai Bing Wang Qinghua Song Xiaoliang Liang Yanbin Zhang Zhicheng Zhang Haiyang Ji |
author_facet | Jinfu Zhao Zhanqiang Liu Zipeng Gong Annan Liu Yukui Cai Bing Wang Qinghua Song Xiaoliang Liang Yanbin Zhang Zhicheng Zhang Haiyang Ji |
author_sort | Jinfu Zhao |
collection | DOAJ |
description | TiAlN-coated carbide tools have been used to machine Ti-6Al-4V alloys in aviation workshops. However, the effect of TiAlN coating on surface morphology and tool wear in the processing of Ti-6Al-4V alloys under various cooling conditions has not been reported in the public published literature. In our current research, turning experiments of Ti-6Al-4V with uncoated and TiAlN tools under dry, MQL, flood cooling, and cryogenic spray jet cooling conditions were carried out. The machined surface roughness and tool life were selected as the two main quantitative indexes for estimating the effects of TiAlN coating on the cutting performance of Ti-6Al-4V under various cooling conditions. The results showed that TiAlN coating makes it hard to improve the machined surface roughness and tool wear of a cutting titanium alloy at a low speed of 75 m/min compared to that achieved by uncoated tools. The TiAlN tools presented excellent tool life in turning Ti-6Al-4V at a high speed of 150 m/min compared to that achieved by uncoated tools. From the perspective of obtaining finished surface roughness and superior tool life in high-speed turning Ti-6Al-4V, the selection of TiAlN tools is feasible and reasonable under the cryogenic spray jet cooling condition. The dedicative results and conclusions of this research could guide the optimized selection of cutting tools in machining Ti-6Al-4V for the aviation industry. |
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issn | 2072-666X |
language | English |
last_indexed | 2024-03-11T02:08:04Z |
publishDate | 2023-06-01 |
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spelling | doaj.art-2d1125efebe04b85ac585c3a2127b6102023-11-18T11:40:39ZengMDPI AGMicromachines2072-666X2023-06-01146126310.3390/mi14061263Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling ConditionsJinfu Zhao0Zhanqiang Liu1Zipeng Gong2Annan Liu3Yukui Cai4Bing Wang5Qinghua Song6Xiaoliang Liang7Yanbin Zhang8Zhicheng Zhang9Haiyang Ji10School of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSinotruk (Jinan) Axle Co., Ltd., Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaSchool of Mechanical Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, ChinaTiAlN-coated carbide tools have been used to machine Ti-6Al-4V alloys in aviation workshops. However, the effect of TiAlN coating on surface morphology and tool wear in the processing of Ti-6Al-4V alloys under various cooling conditions has not been reported in the public published literature. In our current research, turning experiments of Ti-6Al-4V with uncoated and TiAlN tools under dry, MQL, flood cooling, and cryogenic spray jet cooling conditions were carried out. The machined surface roughness and tool life were selected as the two main quantitative indexes for estimating the effects of TiAlN coating on the cutting performance of Ti-6Al-4V under various cooling conditions. The results showed that TiAlN coating makes it hard to improve the machined surface roughness and tool wear of a cutting titanium alloy at a low speed of 75 m/min compared to that achieved by uncoated tools. The TiAlN tools presented excellent tool life in turning Ti-6Al-4V at a high speed of 150 m/min compared to that achieved by uncoated tools. From the perspective of obtaining finished surface roughness and superior tool life in high-speed turning Ti-6Al-4V, the selection of TiAlN tools is feasible and reasonable under the cryogenic spray jet cooling condition. The dedicative results and conclusions of this research could guide the optimized selection of cutting tools in machining Ti-6Al-4V for the aviation industry.https://www.mdpi.com/2072-666X/14/6/1263TiAlN coatinguncoated carbide toolTi-6Al-4Vmachined surface roughnesstool lifecooling condition |
spellingShingle | Jinfu Zhao Zhanqiang Liu Zipeng Gong Annan Liu Yukui Cai Bing Wang Qinghua Song Xiaoliang Liang Yanbin Zhang Zhicheng Zhang Haiyang Ji Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions Micromachines TiAlN coating uncoated carbide tool Ti-6Al-4V machined surface roughness tool life cooling condition |
title | Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions |
title_full | Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions |
title_fullStr | Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions |
title_full_unstemmed | Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions |
title_short | Comparison of Surface Morphology and Tool Wear in the Machining of Ti-6Al-4V Alloys with Uncoated and TiAlN Tools under Dry, Minimum Quantity Lubrication, Flood Cooling, and Low-Temperature Spray Jet Cooling Conditions |
title_sort | comparison of surface morphology and tool wear in the machining of ti 6al 4v alloys with uncoated and tialn tools under dry minimum quantity lubrication flood cooling and low temperature spray jet cooling conditions |
topic | TiAlN coating uncoated carbide tool Ti-6Al-4V machined surface roughness tool life cooling condition |
url | https://www.mdpi.com/2072-666X/14/6/1263 |
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