Methods of preparing 7xxx aluminum alloy products for adhesive bonding and products made therefrom are disclosed. Generally, the methods include preparing a 7xxx aluminum alloy product for anodizing, then anodizing the 7xxx aluminum alloy product, and then contacting the anodized 7xxx aluminum alloy product with an appropriate chemical to create a functionalized layer. The new 7xxx aluminum alloy products may realize improved shear bonding performance.

Methods of preparing 7xxx aluminum alloy products for adhesive bonding and products made therefrom are disclosed. Generally, the methods include preparing a 7xxx aluminum alloy product for anodizing, then anodizing the 7xxx aluminum alloy product, and then contacting the anodized 7xxx aluminum alloy product with an appropriate chemical to create a functionalized layer. The new 7xxx aluminum alloy products may realize improved shear bonding performance.

The present application includes methods, apparatuses, and systems for cleaning an aluminum wheel. In particular instances, a method of treating an exterior surface of an aluminum vehicle wheel comprising: blasting the exterior surface a first occurrence for a first duration at a first velocity using blasting media; blasting the exterior surface a second occurrence for a second duration at a second velocity using blasting media after blasting the exterior surface for a first duration, the second velocity being substantially lower than the first velocity; and, arranging the vehicle wheel in contact with vibratory finishing media and vibrating the vehicle wheel with the vibratory finishing media for a duration after blasting the exterior surface in each of the first and second occurrences.

The present application includes methods, apparatuses, and systems for cleaning an aluminum wheel. In particular instances, a method of treating an exterior surface of an aluminum vehicle wheel comprising: blasting the exterior surface a first occurrence for a first duration at a first velocity using blasting media; blasting the exterior surface a second occurrence for a second duration at a second velocity using blasting media after blasting the exterior surface for a first duration, the second velocity being substantially lower than the first velocity; and, arranging the vehicle wheel in contact with vibratory finishing media and vibrating the vehicle wheel with the vibratory finishing media for a duration after blasting the exterior surface in each of the first and second occurrences.

A decoration panel for home appliances having excellent reflectivity and durability, the decoration panel being applicable to outer sides of various home appliances, a home appliance including the decoration panel, and a method for manufacturing the decoration panel. More specifically, the decoration panel for home appliances includes: an aluminum substrate with one surface in which an engraved pattern having a preset width and a preset depth is formed, the engraved pattern having micro unevenness formed in a surface of the engraved pattern; a porous aluminum oxide layer formed on the engraved pattern; and a sealing layer formed to close a plurality of pores of the porous aluminum oxide layer, wherein an edge of the aluminum substrate is in a Chamfering (C) shape or a Rounding (R) shape.

The present technology provides a hard-anodized pan that has a steel induction plate and a hybrid coating composition of round ceramic particles. The pan is formed of aluminum with an induction plate affixed. The aluminum is formed into the desired pan shape. The aluminum is sandblasted with beads of a particular size. The sandblasted pan is hard-anodized. The pan is coated with a hybrid coating of round ceramic particles to provide scratch-resistance and a non-stick quality. The pan is coated with a non-stick topcoat.

The present technology provides a hard-anodized pan that has a steel induction plate and a hybrid coating composition of round ceramic particles. The pan is formed of aluminum with an induction plate affixed. The aluminum is formed into the desired pan shape. The aluminum is sandblasted with beads of a particular size. The sandblasted pan is hard-anodized. The pan is coated with a hybrid coating of round ceramic particles to provide scratch-resistance and a non-stick quality. The pan is coated with a non-stick topcoat.

Disclosed are a structural color variable photonic crystal composite material and a method of manufacturing the same, and more particularly, a photonic crystal composite material having various changes in color by external stimulation and controlling the color change, and a method of manufacturing the same. The structural color variable photonic crystal composite material includes a metal having a metal oxide layer formed on its surface, wherein the metal oxide layer includes a plurality of pores, and a variable material that swells and contracts within the pores by external stimulation.

The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization. Also provided is a photoluminescent aluminum alloy die-cast material produced using the photoluminescent aluminum alloy. This aluminum alloy contains 0.5-3.0 mass % of Mn, 0.3-2.0 mass % of Mg, 0.01-1.0 mass % of W and 1.0-3.0 mass % of Zn, with the remainder comprising aluminum and unavoidable impurities.

The present invention provides a photoluminescent aluminum alloy which exhibits high mechanical properties and which suppresses, to a high degree, the occurrence of color unevenness in cases where a tungsten-containing aluminum alloy die-cast material is subjected to anodization. Also provided is a photoluminescent aluminum alloy die-cast material produced using the photoluminescent aluminum alloy. This aluminum alloy contains 0.5-3.0 mass % of Mn, 0.3-2.0 mass % of Mg, 0.01-1.0 mass % of W and 1.0-3.0 mass % of Zn, with the remainder comprising aluminum and unavoidable impurities.