５０５２アルミニウム合金板材の陽極酸化処理表面における光沢度と表面色に及ぼす表面粗さの影響
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The effect of surface roughness on glossiness and surface color for anodized 5052 aluminum alloy plates were investigated. The surface roughness of aluminum alloy plate was controlled by processing of shot blasting to satisfy the condition of arithmetical mean roughness, Ra, less than 1.0 μm. The specimens with several different conditions were prepared: shot blasting, anodizing after blasting, and, in addition, it dyed it to red, green and blue respectively. CIELAB (L*a*b* color system) was applied to the surface color evaluation method. The results of experiments, the glossiness value, Gs (60°), increased as decreasing Ra. The lightness, L*, decreased as decreasing Ra. The hue angle, hab, of the anodized surface changed into the green direction. The a, b chroma, C*ab, decreased as decreasing Ra of the anodizing red and blue specimens. However, the a, b chroma, C*ab, increased as decreasing Ra of the anodizing green specimen. This was caused by the fact that the hue angle, hab, changes into the green direction by anodizing.
- 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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