锆金属腐蚀的电阻模型  

Computation model for corrosion resistance of nanocrystalline zirconium

作　　者：于梅花[1] 

机构地区：[1]广西大学材料科学与工程学院,广西南宁530004

出　　处：《兵器材料科学与工程》2009年第2期18-21,共4页Ordnance Material Science and Engineering

基　　金：国家自然科学基金(50461001)资助项目

摘　　要：从电阻的本质出发,联系晶格振动、声子、晶格畸变等概念,研究晶格振动、声子、晶格畸变对锆金属电阻的影响,并建立纳米化锆金属的电阻模型。随着电阻率的升高,电导率下降,氧化速率常数减小,抑制腐蚀反应的进行,纳米化处理可以提高锆金属的耐腐蚀性能。Based on the essence of resistance,and concepts of lattice vibrations, phonons and lattice distortion, the influence of electrical resistivity on corrosion rate of zirconium metal has been investigated in this paper. The correlation of the corrosion rate and electrical resistivity has been calculated. It is found that along with the electrical resistivity increasing, the corrosion rate decreases. The change of the lattice distortion results in the change of the electrical resistivity. For the nanocrystallin...

关 键 词：锆金属 电阻率 耐腐蚀性能 

分 类 号：TG172[金属学及工艺—金属表面处理]