Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V

Ross Cunningham; Andrea Nicolas; John Madsen; Eric Fodran; Elias Anagnostou; Michael D. Sangid; Anthony D. Rollett

doi:10.1080/21663831.2017.1340911

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Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V

Original Report | 更新时间：2026-08-19

- Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V
- Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V
- 材料研究快报（英文） 2017年5卷第7期页码：516-525
- 作者机构：
  
  1. Department of Materials Science and Engineering Carnegie Mellon University Pittsburgh
  2. School of Aeronautics and Astronautics Purdue University West Lafayette
  3. Northrop Grumman Aerospace Systems Bethpage
  4. Northrop Grumman Aerospace Systems El Segundo
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1340911
  中图分类号：
- 网络首发：2017-06-23，
  
  纸质出版：2017
- 稿件说明：
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Ross Cunningham, Andrea Nicolas, John Madsen, 等. Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V[J]. 材料研究快报（英文）, 2017,5(7):516-525.

Ross Cunningham, Andrea Nicolas, John Madsen, et al. Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V[J]. Materials Research Letters, 2017, 5(7): 516-525.
Ross Cunningham, Andrea Nicolas, John Madsen, 等. Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V[J]. 材料研究快报（英文）, 2017,5(7):516-525. DOI： 10.1080/21663831.2017.1340911.

Ross Cunningham, Andrea Nicolas, John Madsen, et al. Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V[J]. Materials Research Letters, 2017, 5(7): 516-525. DOI： 10.1080/21663831.2017.1340911.

摘要

Abstract

BSTRACTMetal additive manufacturing techniques such as the powder-bed systems are developing as a novel method for producing complex components. This study uses synchrotron-based X-ray microtomography to investigate porosity in electron beam melted Ti-6Al-4V in the as-built and post-processed state for two different powders. The presence of gas porosity in the starting powder was shown to correlate to porosity in the as-built components. This porosity was observed to shrink after a hot isostatic press treatment

but grow following a subsequent heat treatment. Crystal plasticity simulations were used to observe the effects of various observed pore sizes on mechanical behavior under loading.

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相关机构

a Shi-changxu Innovation Center for Advanced Materials Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China

b School of Materials Science and Engineering University of Science and Technology of China

a Shi-changxu Innovation Center for Advanced Materials Institute of Metal Research Chinese Academy of Sciences

a Erich Schmid Institute of Materials Science Austrian Academy of Sciences

b Institute of Materials Science Joining and Forming Graz University of Technology

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