钒合金的高温氧化特性和氢致脆性研究

稀有金属材料与工程, 2003, 32(2): 113-116.

钒合金的高温氧化特性和氢致脆性研究

谌继明 ^1, , 杨霖 ^2, , 邱绍宇 ^3, , 许增裕 ^4,

1.核工业西南物理研究院,四川,成都,610041

2.核工业西南物理研究院,四川,成都,610041

3.中国核动力研究设计院,四川,成都,610001

4.核工业西南物理研究院,四川,成都,610041

关键词：钒合金 , 高温氧化 , 氢脆

Characteristics of the High-temperature Oxidation and Hydrogen Embrittlement for Vanadium Alloys

选用几种V-Cr-Ti-Al-Si合金,采用气相渗氢法改变合金中的氢含量,利用拉伸试验和扫描电镜(SEM)分析了合金的力学性能和断裂特征,探讨了氢的影响.研究结果表明:钒合金的高温氧化符合幂指数增重规律,氧化速率与气氛中的氧含量成正比;大多数钒合金对氢脆敏感,相对而言,V4Ti合金表现出较强的抗氢脆能力,在113μg/g氢时,其拉伸延伸率大约为10%.

参考文献

[1]	Zucchetti M .[J].Fusion Technology,1991,19:294-303.
[2]	Smith D L;Chung H M;Matsui H;Rowcliffe A F .[J].Fusion Engineering and Design,1998,41:7-14.
[3]	Bloom E E;Conn R W;Davis J W;Gold R E,Little R,Schultz K R,Smith D L,Wiffen FW .[J].Journal of Nuclear Materials,1984,122-123:17-26.
[4]	Kurtz RJ.;Chernov VM.;Kazakov VA.;Lucas GE.;Matsui H.;Muroga T.;Odette GR.;Smith DL.;Zinkle SJ.;Abe K. .Critical issues and current status of vanadium alloys for fusion energy applications[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2000(Pt.A):70-78.
[5]	LOOMIS B A .Journal of Nuclear Materials[J].Journal of Nuclear Materials,1984,122-123:693-697.
[6]	Natesan K;Uz M .[J].Fusion Engineering and Design,2000,51/52:145-152.
[7]	Natesan K.;Soppet WK. .Performance of V-Cr-Ti alloys in a hydrogen environment[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2000(Pt.B):1316-1321.
[8]	Aoyagi K.;Suda T.;Ohnuki S.;Torres EP. .Effect of hydrogen accumulation on mechanical property and microstructure of V-Cr-Ti alloys[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2000(Pt.B):876-879.
[9]	Bethin J;Tobin A .[J].Journal of Nuclear Materials,1984,122/123:864-868.

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材料期刊网

钒合金的高温氧化特性和氢致脆性研究

Characteristics of the High-temperature Oxidation and Hydrogen Embrittlement for Vanadium Alloys

参考文献