• 474 Downloads • Abstract Streaking is a common surface defect on anodized extrusions of 6xxx series soft alloys. Very often, the defects only become apparent after anodizing, which makes it difficult to identify their root cause. Crack Vuescan 9.0.93. In industry practice, a trial-and-error method has been taken to reduce the intensities of the streak defects, greatly increasing the fabrication cost. This paper describes the formation mechanism of various streak defects on the basis of a literature review and experimental results. This provides a basis for developing effective measures for preventing the formation of these defects for the extrusion industry.

Coating Description The CLASSIC hard anodizing process is the ideal solution for any application requiring high abrasion resistance and improved corrosion resistance compared to Type II anodizing. Unsealed hard anodize features high bond strength with polymeric coatings and adhesives. CLASSIC aluminum hard anodizing process uses only DC voltage.

Etching effects and the formation of Streaking Defects on Al Extrusions. The gloss after anodizing correlates. Effects of Silicium in aluminum alloy anodizing S.Ferlini. Presence of defects. The anodizing process has been separated into four main phases. Romancing Saga 3 Game Genie Cheats.

Typically coating build is 2 mils / 50 μm that can be sealed or unsealed. The CLASSSIC Hard Coat Process is less prone to burning compared to conventional Hard Anodizing, which also used only DC voltage, due to the addition of SANFRAN in the sulfuric acid electrolyte. Can CLASSIC Aluminum Hard Coat Be Colored? High voltage hard coat oxides darken due to an excess of aluminum atoms in the film, lower porosity compared to Low Voltage Hard Coat, and less uniform cell structures. Also, the low temperature of electrolyte entraps alloying elements back into the oxide causing the oxide to shade: 2000 series – green and gray tones, 5000-dark gray, 6000-almost black, 7000-blue-gray, 8000-high temperature alloy, can be light gray color.