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Effect of sintering temperature on properties of porous Inconel 625 alloy
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Affiliation:

1.State Key Laboratory of Porous Metal Materials,Northwest Institute for Nonferrous Metal Research,Xi’an 710016;2.China

Clc Number:

TF125

Fund Project:

The National Natural Science Foundation of China

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    Abstract:

    Inconel625 has excellent corrosion resistance and high temperature mechanical properties, which is widely used in aerospace, petrochemical, nuclear industry etc. Porous materials are widely used as filter materials because of its light weight and excellent permeability. The purpose of this paper is to prepare a filter material with good corrosion resistance. Porous Inconel625 alloy with its own characteristics and functionality was prepared by molding-atmosphere sintering process with 100~200 μm alloy powder. The morphology and properties of the alloy are characterized and evaluated at different sintering temperatures. The results show that the sintered neck is well developed and the degree of pore spheroidization is high at 1240 ℃. At this time, the air permeability can satisfy the requirements of service performance, and can be used as high temperature gas-liquid filter material. At 1240 ℃ sintering temperature, the shear performance of the alloy reaches the best, and the maximum shear force is 51.0 kN, which also provides a reference for further research.

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[Wang Hao, Jing Peng, Li Guangzhong. Effect of sintering temperature on properties of porous Inconel 625 alloy[J]. Rare Metal Materials and Engineering,2021,50(10):3693~3697.]
DOI:10.12442/j. issn.1002-185X.20200804

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History
  • Received:October 20,2020
  • Revised:November 27,2020
  • Adopted:December 23,2020
  • Online: October 28,2021
  • Published: October 25,2021