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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Main Authors: Jinfu Zhao, Zhanqiang Liu, Zipeng Gong, Annan Liu, Yukui Cai, Bing Wang, Qinghua Song, Xiaoliang Liang, Yanbin Zhang, Zhicheng Zhang, Haiyang Ji
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/14/6/1263
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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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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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