Research Article
Open Access
Investigation on the Mechanism of Laser-Assisted Machining of Surface-Nitrided TC4 Titanium Alloy
1
Qingdao Qiushi College, Qingdao 266520, China
2
College of Intelligent Manufacturing, Qingdao Huanghai University, Qingdao 266520, China
* Corresponding Author:
Zhimin Zhao,
[email protected]
Volume 1, Issue 1
2025
Received: 29 April 2026
Revised: 19 July 2026
Accepted: 29 July 2026
Published: 03 September 2026
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CC BY 4.0 License
Article Information
Published in
Journal of Materials Durability and Engineering
Volume/Issue
Volume 1, Issue 1, 2025
Pages
52-68
Abstract
The present study systematically investigates the effects of surface nitriding treatment on the laser-assisted machining behavior of TC4 titanium alloy. Numerical simulations were conducted using the ABAQUS finite element platform to elucidate the influence of nitriding on cutting force, cutting temperature, and residual stress evolution. A three-factor, three-level orthogonal experimental design was established, considering nitriding concentration (0.2%-0.8%), laser power (500-1500 W), and laser scanning speed (50-90 m/min), to examine the coupled effects of these parameters. The results reveal that an increase in laser scanning speed leads to a reduction in both cutting force and cutting temperature, whereas higher laser power results in their escalation. Furthermore, elevated nitriding concentration intensifies the sensitivity of cutting force and temperature to laser parameters. Residual compressive stress increases with higher nitriding concentration and laser power, while the influence of laser scanning speed remains comparatively minor. This work provides a theoretical foundation for the optimization of laser-assisted machining parameters for TC4 titanium alloy, contributing to enhanced surface integrity and improved machinability, and offering guidance for its broader application in advanced manufacturing sectors.
Graphical Abstract
Keywords
TC4 titanium alloy
surface nitriding
laser-assisted machining
residual compressive stress
finite element simulation
Data Availability Statement
Data will be made available on request.
Funding
This work was supported by the National Natural Science Foundation of China under Grant 51705270, and by the Research Start-up Fund of Guangdong Ocean University.
Conflicts of Interest
The authors declare no conflicts of interest.
AI Use Statement
The authors declare that no generative AI was used in the preparation of this manuscript.
Ethical Approval and Consent to Participate
Not applicable.
References
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APA Style
Zhang, Y., Zhao, Z., & Wang, K. (2026). Investigation on the Mechanism of Laser-Assisted Machining of Surface-Nitrided TC4 Titanium Alloy. Journal of Materials Durability and Engineering, 1(1), 52-68. https://doi.org/10.62762/JMDE.2026.886891
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TY - JOUR AU - Zhang, Ying AU - Zhao, Zhimin AU - Wang, Kedong PY - 2026 DA - 2026/09/03 TI - Investigation on the Mechanism of Laser-Assisted Machining of Surface-Nitrided TC4 Titanium Alloy JO - Journal of Materials Durability and Engineering T2 - Journal of Materials Durability and Engineering JF - Journal of Materials Durability and Engineering VL - 1 IS - 1 SP - 52 EP - 68 DO - 10.62762/JMDE.2026.886891 UR - https://www.icck.org/article/abs/JMDE.2026.886891 KW - TC4 titanium alloy KW - surface nitriding KW - laser-assisted machining KW - residual compressive stress KW - finite element simulation AB - The present study systematically investigates the effects of surface nitriding treatment on the laser-assisted machining behavior of TC4 titanium alloy. Numerical simulations were conducted using the ABAQUS finite element platform to elucidate the influence of nitriding on cutting force, cutting temperature, and residual stress evolution. A three-factor, three-level orthogonal experimental design was established, considering nitriding concentration (0.2%-0.8%), laser power (500-1500 W), and laser scanning speed (50-90 m/min), to examine the coupled effects of these parameters. The results reveal that an increase in laser scanning speed leads to a reduction in both cutting force and cutting temperature, whereas higher laser power results in their escalation. Furthermore, elevated nitriding concentration intensifies the sensitivity of cutting force and temperature to laser parameters. Residual compressive stress increases with higher nitriding concentration and laser power, while the influence of laser scanning speed remains comparatively minor. This work provides a theoretical foundation for the optimization of laser-assisted machining parameters for TC4 titanium alloy, contributing to enhanced surface integrity and improved machinability, and offering guidance for its broader application in advanced manufacturing sectors. SN - pending PB - Institute of Central Computation and Knowledge LA - English ER -
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@article{Zhang2026Investigat,
author = {Ying Zhang and Zhimin Zhao and Kedong Wang},
title = {Investigation on the Mechanism of Laser-Assisted Machining of Surface-Nitrided TC4 Titanium Alloy},
journal = {Journal of Materials Durability and Engineering},
year = {2026},
volume = {1},
number = {1},
pages = {52-68},
doi = {10.62762/JMDE.2026.886891},
url = {https://www.icck.org/article/abs/JMDE.2026.886891},
abstract = {The present study systematically investigates the effects of surface nitriding treatment on the laser-assisted machining behavior of TC4 titanium alloy. Numerical simulations were conducted using the ABAQUS finite element platform to elucidate the influence of nitriding on cutting force, cutting temperature, and residual stress evolution. A three-factor, three-level orthogonal experimental design was established, considering nitriding concentration (0.2\%-0.8\%), laser power (500-1500 W), and laser scanning speed (50-90 m/min), to examine the coupled effects of these parameters. The results reveal that an increase in laser scanning speed leads to a reduction in both cutting force and cutting temperature, whereas higher laser power results in their escalation. Furthermore, elevated nitriding concentration intensifies the sensitivity of cutting force and temperature to laser parameters. Residual compressive stress increases with higher nitriding concentration and laser power, while the influence of laser scanning speed remains comparatively minor. This work provides a theoretical foundation for the optimization of laser-assisted machining parameters for TC4 titanium alloy, contributing to enhanced surface integrity and improved machinability, and offering guidance for its broader application in advanced manufacturing sectors.},
keywords = {TC4 titanium alloy, surface nitriding, laser-assisted machining, residual compressive stress, finite element simulation},
issn = {pending},
publisher = {Institute of Central Computation and Knowledge}
}
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Copyright © 2026 by the Author(s). Published by Institute of Central Computation and Knowledge. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
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