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Preparation, Structure and Mechanical Properties of Nickel Based Porous Spherical Superalloy

  • Guo-fa Mi
  • Hong-yu Li
  • Xiang-yu Liu
  • Kuang-fei Wang
Article

Abstract

The porous superalloy materials with hollow spherical pores were fabricated by using metal powder sintering process. The scanning electron microscope (SEM) observation was applied to the test samples and it revealed that the pores of the porous material exhibited a uniform distribution and the apejtures were of same size in principle. The sintering necks appeared between adjacent particles on metal skeleton after sintering. The mechanical properties of the test samples were analyzed and the result showed that this kind of materials possessed excellent energy absorption capability, and the compression resistance decreased with increasing the porosity and aperture.

Key words

porous superalloy material metal powder sintering hollow spherical pore oriented linear pore 

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Copyright information

© China Iron and Steel Research Institute Group 2009

Authors and Affiliations

  • Guo-fa Mi
    • 1
  • Hong-yu Li
    • 2
  • Xiang-yu Liu
    • 1
  • Kuang-fei Wang
    • 1
  1. 1.School of Materials Science and EngineeringHenan Polytechnic UniversityJiaozuo, HenanChina
  2. 2.School of Materials Science and EngineeringHarbin Institute of TechnologyHarbin, HeilongjiangChina

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