钇含量对(Zr56Al16Co28)100-xYx非晶合金在Hank′s溶液中腐蚀行为的影响
Effect of Y Content on Corrosion Behavior of (Zr56Al16Co28)100-xYx Amorphous Alloys in Hank′s Solution
摘 要
采用真空单辊甩带法制备出成分为(Zr56Al16Co28)100-xYx(x=0, 2, 4)非晶合金, 利用X射线衍射仪、差示扫描量热仪、电化学工作站、场发射扫描电镜和能谱仪等研究了钇含量对该非晶合金在Hank′s溶液中腐蚀行为的影响。结果表明: 随着钇含量的增加, 该非晶合金的自腐蚀电流密度逐渐降低, 耐腐蚀性能增强, 但当x=4时其增大的程度较小; 耐腐蚀性能的提高归因于钇的添加促进了该非晶合金表面氧化膜的持续形成。
合金化
钇
Hank′s溶液
耐腐蚀性
Zr-based amorphous alloy
alloying
yttrium (Y)
Hank′s solution
corrosion resistance
Abstract
The (Zr56Al16Co28)100-xYx(x=0, 2, 4) amorphous alloys were prepared by single roller melt spinning in high vacuum. Then the effect of Y content on the corrosion behavior of these amorphous alloys in Hank′s solution were investigated by X-ray diffraction, differential scanning calorimeter, electrochemical workstation, field emission scanning electron microscope, energy dispersive spectroscope, etc. The results show that with the increase of Y content, the free corrosion current density of the amorphous alloys decreased gradually, indicating the improvement of the corrosion resistance. However, the improved extent was not obvious when x=4. The improvement of corrosion resistance was ascribed to the continuous formation of the oxidation film on the amorphous alloy surfaces, which was promoted by the Y addition.
中图分类号 TG139.8 TG133.4 DOI 10.11973/jxgccl201610012
所属栏目 新材料 新工艺
基金项目
收稿日期 2015/7/7
修改稿日期 2016/8/30
网络出版日期
作者单位点击查看
备注乐文凯(1989-), 男, 江西抚州人, 硕士研究生。
引用该论文: LE Wen-kai,YUAN Zi-zhou,XU Jun,ZHOU Zi-gang. Effect of Y Content on Corrosion Behavior of (Zr56Al16Co28)100-xYx Amorphous Alloys in Hank′s Solution[J]. Materials for mechancial engineering, 2016, 40(10): 51～54
乐文凯,袁子洲,徐 骏,周子刚. 钇含量对(Zr56Al16Co28)100-xYx非晶合金在Hank′s溶液中腐蚀行为的影响[J]. 机械工程材料, 2016, 40(10): 51～54
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【3】XIE G Q,QIN F X, ZHU S L, et al. Corrosion behaviour of porous Ni-free Ti-based bulk metallic glass produced by spark plasma sintering in Hanks’ solution［J］. Intermetallics,2014,44: 55-59.
【4】袁子洲, 郝雷, 陈学定, 等. 块状非晶合金的玻璃形成能力研究述评［J］.机械工程材料, 2005, 29(7): 7-46.
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【6】ZHANG T, INOUE A. New glassy Zr-Al-Fe and Zr-Al-Co alloys with a large supercooled liquid region［J］.Materials Transactions,2002,43(2): 267-270.
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【8】袁子洲, 乔宇, 包石磊, 等. 稀土元素铒对Ni58Ta36Sn6非晶合金耐腐蚀性能的影响［J］.机械工程材料, 2010, 34(2): 12-34.
【9】肖同娜, 秦春玲, 王志峰, 等. 模拟体液中Y对Mg-Zn-Ca非晶合金腐蚀行为的影响［J］.特种铸造及有色合金, 2014, 43(1): 70-76.
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【11】PI J H, PAN Y, WU J L, et al. Influence of minor addition of in on corrosion resistance of Cu-based bulk metallic glasses in 3.5% NaCl solution ［J］. Rare Metal Materials and Engineering, 2014, 43(2): 32-35.
【12】ZHANG C, Li N, PAN J, et al. Enhancement of glass-forming ability and bio-corrosion resistance of Zr-Co-Al bulk metallic glasses by the addition of Ag［J］. Journal of Alloys and Compounds, 2010, 504(s1): 163-167.
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