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In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Design for AM: the impact of the shell feature on the residual stress in directed energy deposition components

Gopsill, James; Yasin, Omar; Kukreja, Aman

Type:
Papers
DS 145: Proceedings of the DESIGN2026 19th International Design Conference
Year:
2026
Editor:
Štorga, M.; Škec, S.; Martinec, T.; Marjanović, D.; Pavković, N.
Author:
Gopsill, James; Yasin, Omar; Kukreja, Aman
Series:
DESIGN
Institution:
University of Bristol, United Kingdom
Page(s):
1931-1939
DOI number:
10.1017/pds.2026.10551
ISSN:
2732-527X (Online)
Abstract:
Residual stress is inherent in Additive Manufacturing process due to the heat cycling of the material being deposited on the build plate. The manufacturing toolpath can have a considerable effect on the development of residual stress distribution within a component. This paper examines the impact of the shell feature to generate some design heuristics on whether to include it when residual stress is of concern. The stress feature did increase the residual stressed observed during printing but was mitigated by the cooling regime after the process was complete.
Keywords:
additive manufacturing, toolpath, residual stress, 3D printing, digital manufacturing
DESIGN2026 - The 19th International Design Conference
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