Journal
PRODUCTION ENGINEERING ARCHIVES
Volume 25, Issue 25, Pages 60-65Publisher
WALTER DE GRUYTER GMBH
DOI: 10.30657/pea.2019.25.12
Keywords
selective laser melting; Ti6Al4V; powder; structure; tensile test
Funding
- project of Operational Programme Research and Innovation: Research and development activities of the University of Zilina in the Industry of 21st century in the field of materials and nanotechnologies [313011T426]
- European Regional Development Fund
- project Slovak VEGA [1/0463/2019]
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Additive manufacturing has recently expanded its potential with the development of selective laser melting (SLM) of metallic powders. This study investigates the relation between the mechanical properties and the microstructure of Ti6Al4V alloy produced by SLM followed by a hot isostatic pressing (HIP) treatment. HIP treatment minimizes the detrimental influence of material defects. Tensile specimens produced with reference to specific building axes were prepared using a Renishaw A250 system. It has been found that the tensile strength and elongation depend on specimen building direction. Microstructural and textural characterizations were carried out to identify the source of differences.
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