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Corrosion Behavior of Commercial Magnetic Refrigerant Gadolinium in Water 被引量：4

Corrosion Behavior of Commercial Magnetic Refrigerant Gadolinium in Water
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摘要 Gadolinium(Gd) used as magnetic refrigerant always works in water environment.However, its poor corrosion resistance is serious impediment against wider application of Gd.In this paper, the corrosion behavior of two types of commercial Gd ( A, B both are 98.9 at.% pure) with the same oxygen content has been studied.The results show that the corrosion rate of A is 3.226 times higher than that of B in deionized water and 6.039 times in tap water.According to SEM, the different corrosion rate is because of the different distribution of impurity in matrix.In addition,NaOH solution was chosen as inhibitor to prevent Gd from being corroded successfully.No pitting corrosion and weight loss were observed for commercial Gd even after immersion for nearly 2000 h in NaOH solution.
作者 Zhang Zeyu Long Yi Wen Da Ye Rongchang Wan Farong
机构地区 School of Materials Science and Engineering
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2004年第z1期99-102,共4页 稀土学报(英文版)
基金 Project supported by "863" program (2002AA324010 ) and National Natural Science Foundation of China( 50071006 )
关键词 GADOLINIUM CORROSION behavior IMPURITY PITTING CORROSION
分类号 TM273 [一般工业技术—材料科学与工程]
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参考文献12

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同被引文献20

  • 1张泽玉,闻达,吴磊,龙毅,叶荣昌,万发荣.杂质分布对稀土金属钆水中腐蚀性能的影响[J].功能材料,2004,35(z1):796-798. 被引量：3
  • 2滕云,李碚.磁致冷材料的发展与研究概况[J].功能材料,1994,25(2):111-116. 被引量：10
  • 3郑小秋,吴卫,杨勇.磁制冷材料表面保护膜附着性能的研究[J].表面技术,2005,34(6):19-21. 被引量：3
  • 4谢正生,吴惠桢,劳燕锋,刘成,曹萌.低温Au-In-Au金属键合及其在VCSELs制作中的应用[J].金属学报,2007,43(3):264-268. 被引量：1
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  • 8[4]Zimm C, Jastrab A, Sternberg A, et al. Description and performance of a near-room temperature magnetic refrigerator [J]. Adv. Cryog. Eng., 1998, 43:1759.
  • 9[5]Hirano N, Nagaya S, Takahashi M, et al. Development of magnetic refrigerator for room temperature application [J]. Adv. Cryo. Eng., 2002, 47: CP613.
  • 10[6]Clot P, Viallet D, Allab F, et al. A magnet-based device for active magnetic regenerative refrigeration [J]. IEEE Trans. Magn., 2003, (39): 3349.

引证文献4

二级引证文献10

Journal of Rare Earths
2004年 第z1期

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