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Effect of Microalloying with Ti or Cr on the Corrosion Behavior of Al-Ni-Y Amorphous Alloys
Zhang, LM; Ma, AL; Hu, HX; Zheng, YG; Yang, BJ; Wang, JQ; Zheng, YG (reprint author), Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Peoples R China.; Wang, JQ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2018
发表期刊CORROSION
ISSN0010-9312
卷号74期号:1页码:66-74
摘要The effect of microalloying with Ti or Cr on the corrosion behavior of Al-Ni-Y amorphous alloys in 0.1 M NaCl solution was studied by potentiodynamic polarization, Mott-Schottky, and x-ray photoelectron spectroscopy techniques. Microalloying with Ti or Cr could greatly improve the corrosion resistance of Al-Ni-Y amorphous alloys. A high surface concentration of Ti or Cr in the passive films was detected, which should be responsible for the improved corrosion resistance compared to the control sample. The possible process of Ti or Cr involved in the passive films was proposed in terms of the point defect model and the vacancy diffusion mechanism. Furthermore, the effect of Ti was stronger than Cr because of the higher film resistance as well as the higher surface concentration. The different passivation abilities and atomic radiuses between Ti and Cr were presented to explain the better microalloying effect of Ti compared to Cr.; The effect of microalloying with Ti or Cr on the corrosion behavior of Al-Ni-Y amorphous alloys in 0.1 M NaCl solution was studied by potentiodynamic polarization, Mott-Schottky, and x-ray photoelectron spectroscopy techniques. Microalloying with Ti or Cr could greatly improve the corrosion resistance of Al-Ni-Y amorphous alloys. A high surface concentration of Ti or Cr in the passive films was detected, which should be responsible for the improved corrosion resistance compared to the control sample. The possible process of Ti or Cr involved in the passive films was proposed in terms of the point defect model and the vacancy diffusion mechanism. Furthermore, the effect of Ti was stronger than Cr because of the higher film resistance as well as the higher surface concentration. The different passivation abilities and atomic radiuses between Ti and Cr were presented to explain the better microalloying effect of Ti compared to Cr.
部门归属[zhang, l. m. ; ma, a. l. ; hu, h. x. ; zheng, y. g.] chinese acad sci, inst met res, cas key lab nucl mat & safety assessment, 62 wencui rd, shenyang 110016, peoples r china ; [zhang, l. m.] univ sci & technol china, sch mat sci & engn, 96 jinzhai rd, hefei 230026, anhui, peoples r china ; [yang, b. j. ; wang, j. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
关键词Bulk Metallic Glasses Co-ce Alloys Thermal-stability Aluminum Resistance Coatings Additions Ions
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Key Research and Development Program of China [2016YFB1100204]; National Natural Science Foundation of China [51471166, 51131006]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79621
专题中国科学院金属研究所
通讯作者Zheng, YG (reprint author), Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Peoples R China.; Wang, JQ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, LM,Ma, AL,Hu, HX,et al. Effect of Microalloying with Ti or Cr on the Corrosion Behavior of Al-Ni-Y Amorphous Alloys[J]. CORROSION,2018,74(1):66-74.
APA Zhang, LM.,Ma, AL.,Hu, HX.,Zheng, YG.,Yang, BJ.,...&Wang, JQ .(2018).Effect of Microalloying with Ti or Cr on the Corrosion Behavior of Al-Ni-Y Amorphous Alloys.CORROSION,74(1),66-74.
MLA Zhang, LM,et al."Effect of Microalloying with Ti or Cr on the Corrosion Behavior of Al-Ni-Y Amorphous Alloys".CORROSION 74.1(2018):66-74.
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