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Microstructural Evaluation of Ti-6Al-4V Alloy Treated With Pulsed Laser Nd:YAG
Technical Paper
2012-36-0413
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The present study concerns laser surface nitriding of Ti-6Al-4V. The Ti-6Al-4V alloy was submitted a superficial treatment of pulsed laser Nd:YAG (λ=1.064 μ\m) in atmosphere of 40wt% nitrogen-60wt% argon. The samples were characterized by optical microscopy and electron scanning microscopy. The microstructure of the surface nitrided Ti-6Al-4V consists of TiN dendrites distributed in α--Ti matrix. It can be noted that there is a significant enhancement in surface roughness after surface nitriding (6.60 μm) as compared to the as received Ti-6Al-4V (0.46 μm). The microhardness of the surface is improved to 1100 VHN as compared to the 340 VHN of substrate.
Authors
- Adriano Goncalves dos Reis - Instituto Tecnologico de Aeronautica
- Carlos de Moura Neto - Instituto Tecnologico de Aeronautica
- Fabricia Assis Resende - Universidade de Sao Paulo
- Danieli Aparecida Pereira Reis - Universidade Federal de Sao Paulo
- Francisco Piorino Neto - Departamento de Ciencia e Tecnologia Aeroespacial
- Joao Paulo Barros Machado - Instituto Nacional de Pesquisas Espaciais
Topic
Citation
dos Reis, A., de Moura Neto, C., Resende, F., Reis, D. et al., "Microstructural Evaluation of Ti-6Al-4V Alloy Treated With Pulsed Laser Nd:YAG," SAE Technical Paper 2012-36-0413, 2012, https://doi.org/10.4271/2012-36-0413.Also In
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