金属间化合物
扩散
铌
电子探针
材料科学
镍
相图
微探针
钴
难熔金属
冶金
铝
二进制数
扩散层
热力学
相(物质)
化学
图层(电子)
矿物学
复合材料
物理
合金
有机化学
算术
数学
作者
H. Mehrer,Wolfgang Sprengel
标识
DOI:10.1080/14786435.2012.734637
摘要
This paper reviews studies from the Münster laboratory on multiphase and interdiffusion performed on several binary metallic systems. Optical microscopy and electron microprobe analysis were used to study interdiffusion and growth of the intermetallic layer(s) in infinite diffusion couples. Both methods have resolutions at the micron level. Thus, the results summarised in this paper concern the diffusion-controlled regime of the reaction diffusion process. We first remind the reader of some of the basics of multiphase diffusion and interdiffusion. Then we discuss results reported for the following systems: cobalt–niobium, nickel–niobium, nickel–aluminium and magnesium–aluminium. In the case of Co2Nb we also compare interdiffusion and tracer diffusion of the components. Multiphase diffusion experiments also contain information about solid–solid equilibria of the phase diagram(s).
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