常发,彭增华,何明奕,王胜民,赵晓军.Zn-3%Al-RE合金机械镀层的电化学腐蚀行为研究[J].表面技术,2010,39(5):22-25
Zn-3%Al-RE合金机械镀层的电化学腐蚀行为研究
Electrochemical Corrosion Behavior of Zn-3%Al-RE Alloy by Mechanical Plating
投稿时间:2010-06-01  修订日期:2010-10-10
DOI:
中文关键词:  机械镀  稀土  Zn-3%Al-RE合金  耐腐蚀性  电化学参数
英文关键词:mechanical plating  rare-earth  Zn-3%Al-RE alloy  corrosion resistance  electrochemical parameter
基金项目:国家自然科学基金(50561003)
作者单位
常发 昆明理工大学材料保护研究所,昆明650093 
彭增华 昆明理工大学材料保护研究所,昆明650093 
何明奕 昆明理工大学材料保护研究所,昆明650093 
王胜民 昆明理工大学材料保护研究所,昆明650093 
赵晓军 昆明理工大学材料保护研究所,昆明650093 
AuthorInstitution
CHANG Fa Material Protection Research Institute, Kunming University of Science and Technology, Kunming 650093, China 
PENG Zeng-hua Material Protection Research Institute, Kunming University of Science and Technology, Kunming 650093, China 
HE Ming-yi Material Protection Research Institute, Kunming University of Science and Technology, Kunming 650093, China 
WANG Sheng-min Material Protection Research Institute, Kunming University of Science and Technology, Kunming 650093, China 
ZHAO Xiao-jun Material Protection Research Institute, Kunming University of Science and Technology, Kunming 650093, China 
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中文摘要:
      采用机械镀工艺,在Zn-3%Al镀层形层过程中添加0~ 5%的稀土盐,获得几种稀土含量不同的Zn-3%Al-RE合金镀层。利用电化学方法,以pH= 5和pH= 7的1 mol/ L NaCl溶液,0.5 mol/ L NaCl+ 0.5mol/ L Na2SO4溶液,0.5 mol/ L Na2SO4溶液为6种腐蚀介质,测定几种镀层在每种腐蚀介质中的电化学参数。结果表明:几种镀层的耐电化学腐蚀性能随着腐蚀介质中Cl-浓度的增大均有所降低;稀土加入量对镀层耐电化学腐蚀性能的影响不遵循线性关系,加入量为2%和5%时所得镀层的耐电化学腐蚀性能较好。
英文摘要:
      Zn-3%Al-RE deposited coating was prepared with addition of 0~ 5% of one RE salt during the Zn-3% Al coating forming process by the process of mechanical zinc plating.And its electrochemical parameters were measured under six media corrosion mediums, 1mol/ L NaCl, 0.5 mol/ L NaCl+ 0.5 mol/ L Na2SO4and 0.5 mol/ L Na2SO4solutions whichis pH= 5 and pH= 7. The result shows that all the alloy coating's corrosion resistance reduces as Cl- concentration increases;and the relationship between the impact of addition rare earth and the electrochemical corrosion resistant of coating does not follow the linear,the coatings addition 2% and 5% rare earth have better corrosion resistance.
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