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Microstructure control and Mechanical Properties of Oriented Porous GH3536
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State Key Laboratory of Manufacturing Systems Engineering,School of Mechanical Engineering,Xi’an Jiaotong University,Xi’an

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    Abstract:

    Oriented porous superalloy was prepared by freeze-casting with GH3536 powder as raw material and guar gum/CMC-Na as stabilizers. The results show that slurries could be stabilized by adding 0.4~1wt.% of guar gum or 1~3wt.% of sodium carboxymethylcellulose; as the solid loading increases from 10vol.% to 30vol.%, the width of oriented pore decreases from 308μm to 198μm and the wall thickness increases from 81μm to 223μm, with the axial and radial compressive strength improving from 10.72MPa and 9.2MPa to 75.02MPa and 78.49MPa, respectively. The fabricated oriented porous superalloy is a plastic material with the ability of absorbing energy.

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[Hongjiong Zhao, Zhongliang Lu, JiWei Cao, WenLiang Xu, DiChen Li. Microstructure control and Mechanical Properties of Oriented Porous GH3536[J]. Rare Metal Materials and Engineering,2020,49(5):1694~1700.]
DOI:10.12442/j. issn.1002-185X.20190108

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History
  • Received:January 28,2019
  • Revised:March 10,2019
  • Adopted:April 10,2019
  • Online: June 05,2020
  • Published: