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Home > Archive>Volume 52, Issue 3, 2023 >1073-1078. DOI:10.12442/j.issn.1002-185X.20220114
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Effect of Cr content on microstructure and properties ofV90-xTi10Crx(x=0,5,10,20) hydrogen separation alloys
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Affiliation:

1.School of Materials Science and Engineering, Anhui University of Technology;2.School of Materials Science and Engineering,Anhui University of Technology;3.School of Mathematics and Physics,Anhui University of Technology;4.School of Mechanical Engineering and Rail Transit,Changzhou University

Clc Number:

TG146.41

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    Abstract:

    Single-phase V-based alloy membranes have potential applications in the field of hydrogen separation purification due to their higher hydrogen permeability and lower cost than Pd alloy membranes. The effect of Cr content on the hydrogen solubility and diffusivity, hydrogen permeability and hydrogen embrittlement resistance of single-phase V90-xTi10Crx(x=0,5,10,20) alloys has been investigated in this paper. The results show that the increase of Cr content decreases the hydrogen dissolution and hydrogen diffusion in V90-xTi10Crxalloy, thus decreasing the hydrogen permeability, but V90-xTi10Crx alloy still shows better hydrogen permeation performance than Pd and Pd-Ag alloys. Moreover, the fracture temperature of the V90-xTi10Crx alloy decreases from 184°C (x=5at%) to 141°C (x=10at%) with increasing Cr content, while x=20at% the membrane maintaines its integrity when air-cooling to room temperature, exhibiting excellent resistance to hydrogen embrittlement.

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[Meng Ye, Chen Xiu, Tang Bolin, Yang Bo, Shi Xiaobin, Lu Yu, Jiang Peng, Song Guangsheng. Effect of Cr content on microstructure and properties ofV90-xTi10Crx(x=0,5,10,20) hydrogen separation alloys[J]. Rare Metal Materials and Engineering,2023,52(3):1073~1078.]
DOI：10.12442/j. issn.1002-185X.20220114

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History
  • Received:February 15,2022
  • Revised:April 14,2022
  • Adopted:April 25,2022
  • Online: April 07,2023
  • Published: March 24,2023

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