Electron diffraction of naturally coloured anodizing film of extruded Al-2%Si alloy
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概要
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It is previously known that the anodized film can be naturally and blackly coloured when Al-2%Si alloy material plastic-deformed under a certain special conditions is anodized. This report is concerned in studying this naturally coloured anodized film by electron-microscope and-diffraction.Results obtained are following.1. Many fine Si perticles dispersed in anodized film are observed. The state of this perticle dispersion depends mainly upon the extrusion temperature, and the size of Si perticle can be classified to 2 groups, i. e., in one group it is 0.1-0.3μφ and in the other several μφ. It may be convinced that the naturally coloured anodic film is caused by this smaller perticles.2. By transmission electron-diffraction, it is confirmed that these perticles are a number of single-crystalline silicon with preferred orientation which is [III] ⊥ anodized film surface.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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