Research article
Influence of molybdenum content on the microstructure of spark plasma sintered titanium alloys
- 1 Department of Mechanical Engineering, Mount Zion College of Engineering and Technology, Pudukkottai, Tamil Nadu, India
- 2 Department of Mechanical Engineering, College of Engineering, Anna University, Chennai, Tamil Nadu, India
- 3 Laboratory of Energy and Environmental Science, Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
Abstract
Five titanium-based alloys containing 4, 8, 12, 16, and 20 wt% molybdenum additive were fabricated by spark plasma sintering process at 1200 ˚C. The samples were scrutinized in terms of relative density, phase evolution, and microstructural development. The relative density reached 99.9% with the molybdenum addition up to 16 wt% but slightly dropped in the sample with 20 wt% additive. In the specimens with 4 wt% Mo, molybdenum solved completely in the matrix and three different phase morphologies were observed, namely continuous α-Ti, laminar α-Ti, and very thin laminar β-Ti. With increasing Mo content to 20 wt%, widespread single β-Ti appeared alongside remained Mo and α-Ti. Ductile fracture mode was dominant in the samples with low Mo contents whilst it changed to brittle in the specimens with higher content of molybdenum.
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Keywords:
Titanium, Molybdenum, Spark plasma sintering, Microstructure, Densification
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Cited By
Submitted
2021-03-15
Available online
2021-04-10
How to Cite
Saravana Kumar, M., Rashia Begum, S., Vasumathi, M., Nguyen, C. C., & Le, Q. V. (2021). Influence of molybdenum content on the microstructure of spark plasma sintered titanium alloys. Synthesis and Sintering, 1(1), 41-47. https://doi.org/10.53063/synsint.2021.1114
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Copyright (c) 2021 M. Saravana Kumar , S. Rashia Begum , M. Vasumathi , Chinh Chien Nguyen , Quyet Van Le
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