Cited by 2,353Additive Manufacturing Materials and ProcessesAdditive Manufacturing and 3D Printing TechnologiesPowder Metallurgy Techniques and Materials

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Review of selective laser melting: Materials and applications

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Abstract

Selective Laser Melting (SLM) is a particular rapid prototyping, 3D printing, or Additive Manufacturing (AM) technique designed to use high power-density laser to melt and fuse metallic powders. A component is built by selectively melting and fusing powders within and between layers. The SLM technique is also commonly known as direct selective laser sintering, LaserCusing, and direct metal laser sintering, and this technique has been proven to produce near net-shape parts up to 99.9% relative density. This enables the process to build near full density functional parts and has viable economic benefits. Recent developments of fibre optics and high-power laser have also enabled SLM to process different metallic materials, such as copper, aluminium, and tungsten. Similarly, this has also opened up research opportunities in SLM of ceramic and composite materials. The review presents the SLM process and some of the common physical phenomena associated with this AM technology. It then focuses on the following areas: (a) applications of SLM materials and (b) mechanical properties of SLM parts achieved in research publications. The review is not meant to put a ceiling on the capabilities of the SLM process but to enable readers to have an overview on the material properties achieved by the SLM process so far. Trends in research of SLM are also elaborated in the last section.

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Metadata

Authors
Yap, C. Y., Chua, C. K., Dong, Z. L., Liu, Z. H., Zhang, D. Q., Loh, L. E., & Sing, S. L.
Affiliations
Nanyang Technological University (SG)
Venue
Applied Physics Reviews
Published
2015-12-01
Volume
2
Issue
4
ISSN
1931-9401 (ISSN-L)
OpenAlex
W2192772080
Cited by
2,353
References
0
Citations by year
2026: 170 · 2025: 269 · 2024: 262 · 2023: 296 · 2022: 341 · 2021: 325 · 2020: 262 · 2019: 190 · 2018: 130 · 2017: 77 · 2016: 31
FWCI
77.93
Type
journal article
Language
en
Open access
Locations
  • Applied Physics Reviews (publishedVersion)
  • DR-NTU (Nanyang Technological University) (submittedVersion)
Funders
Nanyang Technological University
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Additive Manufacturing Materials and Processes
  • Physical Sciences › Engineering › Industrial and Manufacturing Engineering › Additive Manufacturing and 3D Printing Technologies
  • Physical Sciences › Engineering › Mechanical Engineering › Powder Metallurgy Techniques and Materials
Keywords
laser powder bed fusion, additive manufacturing, direct metal laser sintering, near-net-shape parts, relative density, copper, aluminum, tungsten, fiber optics, high-power lasers

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