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New type of Resin Adhesive for Seamless Butt Joint of Aluminum Alloy

Recently, Professor Hino Mi Okayama University of science Kimtani Teruhito professor and SERTEC Tian Yong, Okayama County Industrial Technology Center, Hiroshima Industrial University, developed a can improve the aluminum alloy and resin bonding strength of surface reforming technology "multilayer anode oxidation treatment.
 
The strength of the aluminum alloy and high performance resin bonded by epoxy resin adhesive is about 4 times higher than that of the aluminum sulfate, which is 95 times higher than that of the untreated. Its excellent weather resistance is expected to be used in the automotive electronic control module (ECU) and other environmental conditions of harsh transport equipment parts.
 
Of aluminum alloy applied in 2 kinds of anode electrolysis, formed on the surface of the multilayer oxidation film ensures lower corrosion resistance, adhesive flows into the adhesive surface of the small concave and convex portions and hardening of the fixed effect can improve the adhesive force, which upper part and a resin with high adhesive. In addition, it also has the heat dissipation, in the high temperature and humidity environment is also difficult to peel off.
 
The new technology is based on the acid and aluminum, compared with the low cost of the material. The processing device is only required to be added to the usual device and the corresponding automation. In addition, the epoxy resin adhesive can be used as a substitute for the thermal plasticity of synthetic rubber, and improve the endurance of the thermal cycling test.

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