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Reducing porosity in AlSi10Mg parts processed by selective laser melting
Open accessAbstract
Selective laser melting (SLM) is widely gaining popularity as an alternative manufacturing technique for complex and customized parts. SLM is a near net shape process with minimal post processing machining required dependent upon final application. The fact that SLM produces little waste and enables more optimal designs also raises opportunities for environmental advantages. The use of aluminium (Al) alloys in SLM is still quite limited due to difficulties in processing that result in parts with high degrees of porosity. However, Al alloys are favoured in many high-end applications for their exceptional strength and stiffness to weight ratio meaning that they are extensively used in the automotive and aerospace industries. This study investigates the windows of parameters required to produce high density parts from AlSi10Mg alloy using selective laser melting. A compromise between the different parameters and scan strategies was achieved and used to produce parts achieving a density of 99.8%.
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Cited by
Additive manufacturing of metallic components – Process, structure and properties
DebRoy, T., Wei, H. L., Zuback, J. S., Mukherjee, T., Elmer, J. W., Milewski, J. O., Beese, A. M., Wilson-Heid, A., De, A., & Zhang, W. (2018) · Progress in Materials Science · doi:10.1016/j.pmatsci.2017.10.001 · Cited by 8,805
Olakanmi, E. O., Cochrane, R. F., & Dalgarno, K. W. (2015) · Progress in Materials Science · doi:10.1016/j.pmatsci.2015.03.002 · Cited by 1,742
Kok, Y., Tan, X. P., Wang, P., Nai, M. L. S., Loh, N. H., Liu, E., & Tor, S. B. (2018) · Materials & Design · doi:10.1016/j.matdes.2017.11.021 · Cited by 1,447
Zhang, J., Song, B., Wei, Q., Bourell, D., & Shi, Y. (2019) · Journal of Materials Science & Technology · doi:10.1016/j.jmst.2018.09.004 · Cited by 1,205
Defect formation mechanisms in selective laser melting: a review
Zhang, B., Li, Y., & Bai, Q. (2017) · Chinese Journal of Mechanical Engineering · doi:10.1007/s10033-017-0121-5 · Cited by 924
Metadata
- Authors
- Aboulkhair, N. T., Everitt, N. M., Ashcroft, I., & Tuck, C.
- Venue
- Additive Manufacturing
- Publisher
- Elsevier BV
- Published
- 2014-10
- Volume
- 1-4
- Pages
- 77-86
- ISSN
- 2214-7810 (ISSN-L)
- 2214-8604
- OpenAlex
- W2057031580
- Cited by
- 1,281
- References
- 0
- FWCI
- 49.09
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Aboulkhair, N. T., Everitt, N. M., Ashcroft, I., & Tuck, C. (2014). Reducing porosity in AlSi10Mg parts processed by selective laser melting. Additive Manufacturing. https://doi.org/10.1016/j.addma.2014.08.001
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