Hierarchical grain refinement during the laser additive manufacturing of Ti-6Al-4V alloys by the addition of micron-sized refractory particles

X Wang, LJ Zhang, J Ning, S Li, LL Zhang, J Long - Additive Manufacturing, 2021 - Elsevier
Abstract Ti-6Al-4V alloys mad by additive manufacturing (AM) with slower cooling rate (eg,
direct energy deposition (DED)) generally have the problem of severe coarsening of α …

In-situ nitrogen strengthening of selective laser melted Ti6Al4V with superior mechanical performance

L Liu, C Chen, R Zhao, X Wang, H Tao, S Shuai… - Additive …, 2021 - Elsevier
The in-situ strengthening approach has attracted increasing attention in the selective laser
melting (SLM) of high-performance alloy. In the present work, the argon-nitrogen (Ar-N 2) …

Effects of Y2O3 addition on the microstructure and wear-resistant performance of TiN/TiB-reinforced Ti-based laser-clad coatings on Ti‐6Al‐4V alloys

L Wang, L Yang, Y Huang, Y Yuan, C Jia - Materials Today …, 2021 - Elsevier
To enhance the wear resistance and further extend the application of Ti alloys under severe
wear conditions, TiN-and TiB-reinforced Ti-based composite coatings modified with Y 2 O 3 …

Laser nitriding of titanium surfaces for biomedical applications

C Zeng, H Wen, AH Ettefagh, B Zhang, J Gao… - Surface and Coatings …, 2020 - Elsevier
In this paper, titanium nitrides were produced on commercially pure titanium samples by
laser nitriding processes, with the goal of improving bio-compatibility and corrosion …

Enhancing the tribological properties of TA1 pure titanium by modulating the energy of pulsed laser nitriding

Z Chen, Z Wang, J Liu, Z Ye, Y Hu, J Wu, K Liu… - Optics & Laser …, 2024 - Elsevier
Surface nitriding of titanium and titanium alloys is a commonly used method to enhance their
wear properties. In this work, the pulsed laser was used to nitride TA1 commercially pure …

[HTML][HTML] Strong and ductile titanium via additive manufacturing under a reactive atmosphere

Y Dong, D Wang, Q Li, X Luo, J Zhang… - Materials Today …, 2023 - Elsevier
Pure metals tend to have a superior malleability compared to alloys. However, the
applicability of pure metals is limited by their low strengths and hardness properties. In this …

In-situ formation of ultra-hard titanium-based composite coatings on carbon steel through electro-spark deposition in different gas media

F Habibi, A Samadi - Surface and Coatings Technology, 2024 - Elsevier
In the current study, ultra-hard TiC, TiN, and Ti (C, N) layers were in-situ formed on carbon
steel substrate using pure titanium electrode via electro-spark deposition (ESD) in argon …

[HTML][HTML] Outstanding strength-ductility balance in a Ti–N alloy by tuning ball milling time

J Chen, Z Cai, W Bao, T Gao, G **e - Journal of Materials Research and …, 2023 - Elsevier
The trade-off between strength and ductility is a prevalent issue in strengthening
commercially pure titanium (CP–Ti). This study presents a method to prepare ultra-high …

An open-atmosphere nitriding process for titanium using a watt-level pulsed Nd: YAG laser

N Ohtsu, R Endo, S Takeda, K Miura… - Surface and Coatings …, 2022 - Elsevier
In general, metal surface nitriding should be performed in a nitrogen atmosphere without
oxygen. Treatment in an open atmosphere is believed to result in oxide formation. In this …

Fundamentals of scanning surface structuring by ultrashort laser pulses: From electron diffusion to final morphology

F Nyenhuis, PN Terekhin, T Menold… - Advanced Photonics …, 2022 - Wiley Online Library
Industrial use of ultrashort pulse surface structuring would significantly increase by effective
utilization of the average laser powers available currently. However, the unexplained …