Full Content is available to subscribers

Subscribe/Learn More  >

Characterization and Optimization of Selective Laser Melting Materials Through Small Punch Testing

[+] Author Affiliations
Jonathan Torres, Ali P. Gordon

University of Central Florida, Orlando, FL

Paper No. GT2017-64896, pp. V006T24A017; 8 pages
  • ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition
  • Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy
  • Charlotte, North Carolina, USA, June 26–30, 2017
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5091-6
  • Copyright © 2017 by ASME


With the heightened complexity of component design that may be achieved through AM comes an equally complex set of distinct material characteristics caused by the manufacturing method. To properly characterize new materials for use with selective laser melting (SLM), extensive material testing and analysis is necessary. Traditional testing techniques, however, are prohibitive due to the time and cost incurred. Miniaturized testing then becomes an attractive option for assessing material properties of SLM materials. The small punch test (SPT) has been developed for such purposes, where material is scarce or costly. Although lacking formal standardization, SPT has been successfully employed with various materials to assess several material properties and verified by traditional testing results. With the accompaniment of numerical simulations for use in the inverse method and determining correlation factors, several methods exist for equating SPT results with traditional stress-strain results. Additionally, the combination of SPT and SLM is relatively unexplored in literature, though studies have shown that SPT is sensitive to the types of structures and unique material characteristics present in SLM components. The present research therefore focuses primarily on the development and evaluation of a mechanical model of the SPT and its sensitivity to changes in material properties. The evolution of the SPT response with dependencies on the changing properties is then likened to the changes in SLM materials to make a case for the suitability of evaluating and optimizing SLM materials using SPT.

Copyright © 2017 by ASME



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In