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Kwon, Daeil
IoT-based System Reliability Lab
Research Interests
  • Reliability, Prognostics and Health Management, Non-destructive Test

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Effect of humidity changes on dimensional stability of 3D printed parts by selective laser sintering

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Title
Effect of humidity changes on dimensional stability of 3D printed parts by selective laser sintering
Author
Kwon, DaeilPark, EunjuHa, SanghoKim, Namhun
Keywords
Selective laser sintering; Additive manufacturing; Dimensional stability; PA12
Issue Date
201709
Publisher
Springer
Citation
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.18, no.9, pp.1275 - 1280
Abstract
Across many industries, additive manufacturing, also known as 3D printing, is being recognized more and more as an innovative manufacturing technology for the next generation. The automotive industry, especially, has paid huge attention to additive manufacturing, and actively applies it to their design, research, development and manufacturing processes. Selective laser sintering (SLS) in additive manufacturing is emerging and popular, and is often used to produce jigs and fixtures for cost benefits and efficiency in the manufacturing industry. However, the application of additive manufacturing is still limited due to the lack of dimensional stability of 3D printed parts associated with changes in temperature and humidity. This paper examines the effect of humidity changes on the dimensional stability of 3D printed parts made by the SLS process. The test results demonstrated changes in relative humidity may result in design specification violation in terms of dimensional requirement while in use.
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DOI
http://dx.doi.org/10.1007/s12541-017-0150-0
ISSN
2234-7593
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