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1篇 您的检索式:作者名="Bingshan Lidi"
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1Rare earth passivation and corrosion resistance of zinc coated NdFeB magnets显示文摘Rare earth passivation was conducted on Zn coated NdFeB magnets by chemical reaction to enhance the corrosion resistance performance.Morphologies,micro structures and compositions of different passivated coatings were studied by X-ray diffraction,field emission scanning electron microscopy,and X-ray photoelectron spectroscopy,respectively.The corrosion behavior was evaluated by electrochemical measurement and neutral salt spray test.The results show that the rare earth passivation can enhance the corrosion resistance of Zn coated NdFeB magnets.When the concentration of cerium nitrate is 5 g/L,the passivated specimens can achieve the longest NSS time of 360 h,which is 144 h longer than that of the pristine Zn/NdFeB magnets.The passivation layer on the Zn coating surface contributes to the enhancement of the magnets’corrosion resistance.Jing Chen Hongyi Yang Guangqing Xu Pengjie Zhang Jun Lv Wei Sun Bingshan Lidi Jun Huang Dongmei Wang Xia Shu Yucheng Wu 2022Journal of Rare Earths2022,40,2:0
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