Fatigue performance of powder bed fused Ti-6Al-4V component with integrated chemically etched capillary for structural health monitoring application.

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Abstract

Fatigue performance of additively manufactured (AM) components is still uncertain and inconsistent. Structural health monitoring (SHM) systems offer a solution to continuously monitor the structural integrity of a structure. The effective Structural Health Monitoring (eSHM) system is the first SHM principle developed with the principal purpose to monitor AM components. The eSHM principle exploits the design freedom offered by AM to integrate a capillary inside the component. The capillary is put under low vacuum and the pressure is monitored during the operation of the component. As-built AM surfaces report elevated surface roughness and are one of the principle causes of premature fatigue initiation and fatigue failure. The current study will investigate the effect of a chemical etching (CE) post-process on the capillary surface and evaluate its effect on the fatigue performance.
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publication18th International Conference on Experimental Mechanics
Place of PublicationSwitzerland
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
Pages1-6
Number of pages6
Volume2
Edition8
DOIs
Publication statusPublished - 30 Jun 2018
Event18th International Conference on Experimental Mechanics - Brussels, Belgium
Duration: 1 Jul 20185 Jul 2018
http://www.icem18.org/

Conference

Conference18th International Conference on Experimental Mechanics
Abbreviated titleICEM18
CountryBelgium
Period1/07/185/07/18
Internet address

Keywords

  • Structural Health Monitoring
  • Additive Manufacturing
  • SURFACE ROUGHNESS
  • Chemical etching

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