Laser Additive Manufacturing Technology Review

Hwang, Myun Joong; Cho, Jungho

doi:2014.32.4.353

JWJ > Volume 32(4); 2014 > Article

Special Issue

Journal of Welding and Joining 2014 August;32(4) :353-357.
Published online August 30, 2014.

doi:https://doi.org/10.5781/JWJ.2014.32.4.15

Laser Additive Manufacturing Technology Review

Myun Joong Hwang^*, Jungho Cho^**

^*School of Mechanical & Automotive Engineering, Halla University, Wonju, 220-712, Korea
^**School of Mechanical Engineering, Chungbuk National University, Cheongju 361-763, Korea

Correspondence: Jungho Cho Email: Junghocho@cbnu.ac.kr
Published online August 30, 2014

ABSTRACT

Additive manufacturing technology is taking great attentions in these days because the term 3D-printing became a hot issue as the next generation manufacturing paradigm. Especially, laser additive manufacturing is at the center of interest thanks to the accuracy compared to other heat sources. In this report, recent papers about laser additive manufacturing are analyzed and reviewed. General technology is specified into three different categories and they are laser sintering, laser melting and laser metal deposition. Similarities and differences are clearly described by detailed technologies and used materials type. Representative application examples are selected then future of this technology is expected through those applications. Additionally, market of laser additive manufacturing systems itself and application fields are also predicted based on present 3D-printing market and technical progressions.

Keywords: Additive manufacturing | Laser sintering | Laser metal deposition