Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Fatigue analysis of FDM materials

Fatigue analysis of FDM materials Purpose The purpose of this paper is to determine the effects of fatigue on fused deposition modeling rapid prototyped acrylonitrile butadiene styrene ABS materials.Designmethodologyapproach FDM dog bones based on UNI EN ISO 5271 1997 were tested at 100, 80, 60, and 40 per cent nominal values of the ultimate stress for nine different print orientations. The samples were cyclically stressed in a tensile tester at 25.4mmmin extension and relaxed at 12.7mmmin.Findings Although FDM ABS has a tensile strength that is relatively close to that of the bulk material, up to 80 percent, its ability to absorb energy before fracture has a tremendous amount of room for improvement. FDM ABSplus P430 material properties are noticeably more isotropic than the predecessor, ABS P400. The ABSplus fractures in the order of thousands of cycles at 40 percent of ultimate stress load, while the ABS exhibits the similar cycle limits at 60 percent of its ultimate stress load.Practical implications FDM ABS parts are limited in fatigue characteristics even though they exhibit similar ultimate stress limits as with bulk materials, warranting further research in improving FDM parts expected to experience cyclical loads.Originalityvalue This paper adds knowledge to the limited fatigue data in literature for FDM ABS. It investigated the load cyclic data of fused deposition modeled ABS through analyzing its cyclebycycle strain energy, providing another means of identifying the fatigue characteristics of materials. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Rapid Prototyping Journal Emerald Publishing

Fatigue analysis of FDM materials

Lee, John; Huang, Adam
Rapid Prototyping Journal , Volume 19 (4): 9 – Jun 7, 2013
Download PDF
9 pages

Loading next page...
 
/lp/emerald-publishing/fatigue-analysis-of-fdm-materials-Ai3v5HpPlr

References (15)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
1355-2546
DOI
10.1108/13552541311323290
Publisher site
See Article on Publisher Site

Abstract

Purpose The purpose of this paper is to determine the effects of fatigue on fused deposition modeling rapid prototyped acrylonitrile butadiene styrene ABS materials.Designmethodologyapproach FDM dog bones based on UNI EN ISO 5271 1997 were tested at 100, 80, 60, and 40 per cent nominal values of the ultimate stress for nine different print orientations. The samples were cyclically stressed in a tensile tester at 25.4mmmin extension and relaxed at 12.7mmmin.Findings Although FDM ABS has a tensile strength that is relatively close to that of the bulk material, up to 80 percent, its ability to absorb energy before fracture has a tremendous amount of room for improvement. FDM ABSplus P430 material properties are noticeably more isotropic than the predecessor, ABS P400. The ABSplus fractures in the order of thousands of cycles at 40 percent of ultimate stress load, while the ABS exhibits the similar cycle limits at 60 percent of its ultimate stress load.Practical implications FDM ABS parts are limited in fatigue characteristics even though they exhibit similar ultimate stress limits as with bulk materials, warranting further research in improving FDM parts expected to experience cyclical loads.Originalityvalue This paper adds knowledge to the limited fatigue data in literature for FDM ABS. It investigated the load cyclic data of fused deposition modeled ABS through analyzing its cyclebycycle strain energy, providing another means of identifying the fatigue characteristics of materials.

Journal

Rapid Prototyping Journal – Emerald Publishing

Published: Jun 7, 2013

Keywords: Fatigue; FDM; Rapid prototypes

There are no references for this article.