Electron Beam Additive Manufacturing of Titanium Components: Properties and Performance-Reference-Cited by-同舟云学术

Electron Beam Additive Manufacturing of Titanium Components: Properties and Performance

Published:2013-11-18 Issue:6 Volume:135 Page:
ISSN:1087-1357
Container-title:Journal of Manufacturing Science and Engineering
language:en
Short-container-title:

Author:

Edwards P.¹,O'Conner A.²,Ramulu M.³

Affiliation:

1. Boeing Research & Technology, The Boeing Company, Seattle, WA 98124 e-mail:

2. Graduate Assistant e-mail:

3. Boeing-Pennell Professor of Engineering e-mail: Department of Mechanical Engineering, University of Washington, Seattle, WA 98195

Abstract

This research evaluates the fatigue properties of Ti-6Al-4V specimens and components produced by Electron Beam additive manufacturing. It was found that the fatigue performance of specimens produced by additive manufacturing is significantly lower than that of wrought material due to defects such as porosity and surface roughness. However, evaluation of an actual component subjected to design fatigue loads did not result in premature failure as anticipated by specimen testing. Metallography, residual stress, static strength and elongation, fracture toughness, crack growth, and the effect of post processing operations such as machining and peening on fatigue performance were also evaluated.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/manufacturingscience/article-pdf/doi/10.1115/1.4025773/6264211/manu_135_06_061016.pdf

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