The DOI matches its Crossref record.
Microstructure and mechanical properties of Ti‐6Al‐4V produced by electron beam melting of pre‐alloyed powders
Abstract
Purpose: The purpose of this paper is the microstructural and mechanical characterization of a biomedical Ti‐6Al‐4V alloy produced by electron beam melting, and the study of the stability of the as‐built microstructure upon heat treatment. Design/methodology/approach: Ti‐6Al‐4V alloy produced by electron beam melting has been mechanically characterized through tensile and fatigue testing. Its microstructure has been investigated by optical observation after etching and by X‐ray diffractometry analysis. The stability of the microstructure of the as‐built material has been deepened carrying out suitable heat treatments, after an analysis by dilatometry test. Findings: The microstructure of a Ti‐6Al‐4V alloy produced by electron beam melting has a very fine and acicular morphology, because of the intrinsically high‐solidification rate of the process. This microstructure is very stable, and the traditional thermal treatments cannot modify it; the microstructure changes significantly only when an amount of strain is introduced in the material. However, the mechanical properties of the alloy produced by electron beam melting are good. Originality/value: The paper provides evidence of the microstructural stability of the material produced by electron beam melting. Even if the microstructure of the as‐built material is not recommended by the specific ISO standard, the related mechanical properties are fully satisfactory. This is a significant indication from the point of view of the production of Ti‐6Al‐4V orthopaedic and dental prostheses by electron beam melting.
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Citations
Cited by
Bioinspired structural materials
Wegst, U. G. K., Bai, H., Saiz, E., Tomsia, A. P., & Ritchie, R. O. (2015) · Nature Materials · doi:10.1038/nmat4089 · Cited by 4,721
Rafi, H. K., Karthik, N. V., Gong, H., Starr, T. L., & Stucker, B. E. (2013) · Journal of Materials Engineering and Performance · doi:10.1007/s11665-013-0658-0 · Cited by 987
Fatigue performance evaluation of selective laser melted Ti–6Al–4V
Edwards, P., & Ramulu, M. (2014) · Materials Science and Engineering: A · doi:10.1016/j.msea.2014.01.041 · Cited by 874
Xu, W., Lui, E. W., Pateras, A., Qian, M., & Brandt, M. (2017) · Acta Materialia · doi:10.1016/j.actamat.2016.12.027 · Cited by 687
The cost of additive manufacturing: machine productivity, economies of scale and technology-push
Baumers, M., Dickens, P., Tuck, C., & Hague, R. (2016) · Technological Forecasting and Social Change · doi:10.1016/j.techfore.2015.02.015 · Cited by 658
Metadata
- Authors
- Facchini, L., Magalini, E., Robotti, P., & Molinari, A.
- Venue
- Rapid Prototyping Journal
- Publisher
- Emerald
- Published
- 2009-05-29
- Volume
- 15
- Issue
- 3
- Pages
- 171-178
- ISSN
- 1355-2546 (ISSN-L)
- OpenAlex
- W2008674607
- Cited by
- 290
- References
- 0
- FWCI
- 2.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Facchini, L., Magalini, E., Robotti, P., & Molinari, A. (2009). Microstructure and mechanical properties of Ti‐6Al‐4V produced by electron beam melting of pre‐alloyed powders. Rapid Prototyping Journal. https://doi.org/10.1108/13552540910960262
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
