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Cr含量對(duì)氫分離合金V90-xTi10Crx(x=0,5,10,20)組織和性能的影響
作者:
作者單位:

1.安徽工業(yè)大學(xué);2.常州大學(xué) 機(jī)械與軌道交通學(xué)院

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中圖分類號(hào):

TG146.41

基金項(xiàng)目:

國家自然科學(xué)基金資助(項(xiàng)目號(hào)51875002、51705038)


Effect of Cr content on microstructure and properties ofV90-xTi10Crx(x=0,5,10,20) hydrogen separation alloys
Author:
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

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    摘要:

    單相V基合金膜具有比Pd合金膜更高的氫滲透率及較低的成本,在氫分離合金膜純化領(lǐng)域有潛在的應(yīng)用前景。本文通過增加Cr含量來探究斥氫元素Cr對(duì)單相V90-xTi10Crx(x=0,5,10,20)合金氫溶解、氫滲透以及抗氫脆能力的影響。結(jié)果表明,Cr含量的增加降低了氫在V90-xTi10Crx合金中的氫溶解度以及氫擴(kuò)散系數(shù),從而降低了氫滲透率,但V90-xTi10Crx合金仍表現(xiàn)出優(yōu)于Pd及Pd-Ag合金的氫滲透性能。另一方面,隨著Cr含量的增加,V90-xTi10Crx合金破裂溫度從184℃(x=5at%)降低到141℃(x=10at%),而x=20at%時(shí),合金膜冷至室溫仍保持完整性,表現(xiàn)出優(yōu)異的抗氫脆性能。

    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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孟野,陳修,唐柏林,楊波,史曉斌,陸羽,江鵬,宋廣生. Cr含量對(duì)氫分離合金V90-xTi10Crx(x=0,5,10,20)組織和性能的影響[J].稀有金屬材料與工程,2023,52(3):1073~1078.[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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  • 收稿日期:2022-02-15
  • 最后修改日期:2022-04-14
  • 錄用日期:2022-04-25
  • 在線發(fā)布日期: 2023-04-07
  • 出版日期: 2023-03-24