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1篇 您的检索式:作者名="Nicolas SPYRELLIS"
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1Nickel and nickel-phosphorous matrix composite electrocoatings显示文摘Nickel and nickel-phosphorous matrix composite coatings reinforced by TiO2,SiC and WC particles were produced under direct and pulse current conditions from an additive-free Watts' type bath.The influence of the variable electrolysis parameters(type of current,frequency of current pulses and current density) and the reinforcing particles properties(type,size and concentration in the bath) on the surface morphology and the structure of the deposits was examined.It is demonstrated that the embedding of ceramic particles modifies in various ways the nickel electrocrystallisation process.On the other hand,Ni-P amorphous matrix is not affected by the occlusion of the particles.Overall,the imposition of pulse current conditions leads to composite coatings with increased embedded percentage and more homogenous distribution of particles in the matrix than coatings produced under direct current regime.Nicolas SPYRELLIS Evangelia A.PAVLATOU Styliani SPANOU Alexandros ZOIKIS-KARATHANASIS 2009中国有色金属学会会刊:英文版2009,19,4:5
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