MATEC Web Conf.
Volume 109, 20172017 2nd International Conference on Materials Science and Nanotechnology (ICMSNT 2017) – 2017 2nd International Symposium on Material Science and Technology (ISMST 2017)
|Number of page(s)||6|
|Section||Chapter 1: Properties of Engineering Materials|
|Published online||31 May 2017|
Investigation of the Microstructures, Mechanical Properties and Corrosion Behaviours of Ti-8Mo-6Ni Alloys Adding NbC Powders via Vacuum Sintering Process
1 Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan, ROC
2 Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, ROC
3 Department of Auto-Mechanics, National Kangshan Agricultural Industrial Senior High School, Kaohsiung 82049, Taiwan, ROC
a Corresponding author: firstname.lastname@example.org
In this study, the Ti-8Mo-6Ni alloys are subjected to add various amounts of NbC carbides as a strengthening phase after the sintering process. Meanwhile, the composite materials underwent a vacuum sintering process at different temperatures of 1175°C, 1225°C and 1275°C for 1 h, respectively. To evaluate the microstructure, mechanical properties and corrosion behaviors of the Ti-8Mo-6Ni alloys adding NbC via the vacuum sintering processes, tests on the relative density, hardness, transverse rupture strength (TRS), corrosion and microstructure inspections are performed using XRD and SEM, with the aim of improving the microstructure and properties of sintered Ti-8Mo-6Ni alloys. The experimental results showed that when 1 wt% of NbC carbides is added to the Ti-8Mo-6Ni alloys they possessed the optimal properties after sintering at 1275°C for 1 h. The sintering density increased to about 99.7%, the hardness is enhanced to 48.1 HRC and the TRS increased to 976 MPa. Meanwhile, the sintered composite materials possessed good corrosion resistance.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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