Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/87489
Title: | Revealing martensitic transformation and α/β interface evolution in electron beam melting three-dimensional-printed Ti-6Al-4V | Authors: | Tan, Xipeng Kok, Yihong Toh, Wei Quan Tan, Yu Jun Descoins, Marion Mangelinck, Dominique Tor, Shu Beng Leong, Kah Fai Chua, Chee Kai |
Keywords: | 3D Printing DRNTU::Engineering::Mechanical engineering Electron Beam Melting |
Issue Date: | 2016 | Source: | Tan, X., Kok, Y., Toh, W. Q., Tan, Y. J., Descoins, M., Mangelinck, D., . . . Chua, C. K. (2016). Revealing martensitic transformation and α/β interface evolution in electron beam melting three-dimensional-printed Ti-6Al-4V. Scientific Reports, 6, 26039-. doi:10.1038/srep26039 | Series/Report no.: | Scientific Reports | Abstract: | As an important metal three-dimensional printing technology, electron beam melting (EBM) is gaining increasing attention due to its huge potential applications in aerospace and biomedical fields. EBM processing of Ti-6Al-4V as well as its microstructure and mechanical properties were extensively investigated. However, it is still lack of quantitative studies regarding its microstructural evolution, indicative of EBM thermal process. Here, we report α′ martensitic transformation and α/β interface evolution in varied printing thicknesses of EBM-printed Ti-6Al-4V block samples by means of atom probe tomography. Quantitative chemical composition analysis suggests a general phase transformation sequence. By increasing in-fill hatched thickness, elemental partitioning ratios arise and β volume fraction is increased. Furthermore, we observe kinetic vanadium segregation and aluminum depletion at interface front and the resultant α/β interface widening phenomenon. It may give rise to an increased α/β lattice mismatch and weakened α/β interfaces, which could account for the degraded strength as printing thickness increases. | URI: | https://hdl.handle.net/10356/87489 http://hdl.handle.net/10220/46746 |
DOI: | 10.1038/srep26039 | Schools: | School of Mechanical and Aerospace Engineering | Research Centres: | Singapore Centre for 3D Printing | Rights: | © 2016 The Authors (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MAE Journal Articles SC3DP Journal Articles |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Revealing martensitic transformation and α_β interface evolution in electron beam melting three-dimensional-printed Ti-6Al-4V.pdf | 1.95 MB | Adobe PDF | View/Open |
SCOPUSTM
Citations
5
184
Updated on Mar 24, 2024
Web of ScienceTM
Citations
5
167
Updated on Oct 30, 2023
Page view(s) 50
556
Updated on Mar 27, 2024
Download(s) 50
93
Updated on Mar 27, 2024
Google ScholarTM
Check
Altmetric
Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.