Metal adhesive achieves twice the shear strength values
A metal adhesive, designed for bonding tasks in electric motors, has been released by DELO. Suitable for use at temperatures of up to 180°C, the DELO-ML DB154 is claimed to achieve more than twice the shear strength values of other methacrylates, which experience a power drop at temperatures above +150°C. According to the company, the adhesive retains its strength even at frequent contact with gear oil, motor oil and gasoline.
The DELO-ML DB154 cures by exposure to UV or visible light. The adhesive achieves initial strength within 6 seconds and full strength under exclusion of oxygen. Unlike one- or two-component epoxy resins, light-curing methacrylates require shorter periods of time until processing can continue, enabling faster production processes.
The medium-viscous adhesive adheres to steel and aluminium as well as to magnets made of rare earths often consisting of an iron-neodymium mixture. By using an activator, metals can be joined to a component made of plastic.
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