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金属学报  2002 

聚变应用钒合金抗氢脆性能的合金化设计

, PP. 839-843

Keywords: 钒合金,氢脆,合金化设计

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Abstract:

利用渗氢后的拉伸实验,研究了氢对几种钒合金拉伸性能的影响及其氢脆断裂特性,结果表明,合金元素和氧含量均严重影响钒合金的抗氢脆能力.低氧含量V4Cr4Ti合金发生氢脆断裂的临界氢含量大于200μg/g,而当氧含量达到700-1100μg/g时,对所有合金,该临界值低于90μg/g.合金中的置换式合金元素Ti,Si等总是加大钒晶体中的四面体间隙,使氢原子易于偏聚到置换原子周围,增大形成气团的可能性,加重了合金的氢致硬化程度.为改善钒合金的抗氢脆性能,应选用原子尺寸与V接近的合金元素,如W和Re等.

References

[1]  Chopra O K, Smith D L. Corrosion of Vanadium Alloys in Flowing Lithium. Fusion Materials Semiannual Progress Report, US Department of Energy, DOE/ER-0313/2, 1987: 269
[2]  Kurtz R J, Abe K, Chernov V M, Kazakov V A, Lucas G E, Matsui H, Muroga T, Odette G R, Smith D L, Zinkle S J. J Nucl Mater, 2000; 283-287: 70
[3]  Hamilton M L, Toloczko M B. J Nucl Mater, 2000; 283-287: 488
[4]  Bloom E E, Conn R W, Davis J W, Gold R E, Little R, Schultz K R, Smith D L, Wiffen F W. J Nucl Mater, 1984; 122&123: 17
[5]  Satou M, Abe K, Kayano H. J Nucl Mater, 1991; 179-181: 757
[6]  Loomis B A, Smith D L, Garner F A. J Nucl Mater, 1991; 179-181: 771
[7]  Smith D L, Chung H M, Matsui H, Rowcliffe A F. Fusion Eng Design, 1998; 41: 7
[8]  Chung H M, Loomis B A, Smith D L. J Nucl Mater, 1994; 212-215: 804
[9]  Chung H M, Smith D L. J Nucl Mater, 1992; 191-194: 942
[10]  Loomis B A, Smith D L. J Nucl Mater, 1992; 191-194: 84
[11]  DiStefano J R, Pint B A, DeVan J H, Rohrig H D, Chit-wood L D. J Nucl Mater, 2000; 283-287: 841
[12]  Natesan K, Soppet W K. J Nucl Mater, 2000; 283-287: 1316
[13]  Chen J M, Xu Z Y. The Hydrogen Embrittlement of Vanadium Alloy. Annual Report, Southwestern Institute of Physics, SWIP/AR(EN)-003, Beijing: China Nuclear Industry Audio & Visual, 2000: 59
[14]  Chitwood L D, Rohrig D H. Reactions of Hydrogen with V-Cr-Ti Alloys. Fusion Materials Semiannual ProgressReport, US Department of Energy, DOE/ER-0313/24, 1998: 61
[15]  Natesan K, Soppet W K. Tensile Properties of V-Cr-Ti Alloys After Exposure in Hydrogen-Containing Environments. Fusion Materials Semiannual Progress Report, US Department of Energy, DOE/ER-0313/25, 1999: 21
[16]  DiStefano J R, DeVan J H, Chitwood L D, Rohrig H D. J Nucl Mater, 1999; 273: 102

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