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Metal Joining Technology Product List

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Dissimilar Metal Joining Technology 'AKROSE HYBRID(R)'

Dissimilar Metal Joining Technology 'AKROSE HYBRID(R)'

Strongly bond different metals together with cold forging, press processing, and diffusion bonding!

"AKROSE (Akurozu) HYBRID(R)" is a bonding technology that shapes materials using cold forging techniques, then strengthens the bonding between those materials through press processing, and further enhances the adhesion at the atomic level through diffusion bonding. It is suitable for dissimilar bonding of metals such as iron, stainless steel, aluminum, and copper, achieving high adhesion and bonding strength at the bonding interface. Since no special equipment or jigs are required during heat treatment, manufacturing costs can be reduced, making it suitable for mass production. 【Features】 ■ Enables product creation that leverages the properties of the materials used, such as strength and conductivity ■ Contributes to lightweight, high-functionality, and low-cost products ■ No pre-treatment required even for materials like aluminum, which are difficult for diffusion bonding *For more details, please download the PDF document or feel free to contact us.

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Dissimilar Metal Joining Technology "AKROSE(R)"

Dissimilar Metal Joining Technology "AKROSE(R)"

Reducing environmental impact! Introducing a new technology that strongly bonds multiple materials together!

"Cold forging" is a processing technology that applies pressure to metal at room temperature to deform and shape it. Compared to cutting processes, it generates almost no material loss (metal waste) and maintains the strength of the material. Additionally, it enables processing with high precision and reduced variation. 'AKROSE(R)' is a new method that utilizes the cold forging technology developed through the design and manufacturing of industrial fasteners (screws) to achieve strong dissimilar metal bonding. It addresses the challenges of conventional metal bonding technologies. 【Features】 ■ Achieves bonding of diverse materials ■ Achieves bonding of multiple materials ■ Achieves complex bonding shapes ■ Improves the adhesion of bonded products ■ Enhances the strength of the bonding area ■ Reduces environmental impact *For more details, please refer to the PDF document or feel free to contact us.

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Tohoku University Technology: Technology for easy and strong resin/metal bonding: T19-064

Tohoku University Technology: Technology for easy and strong resin/metal bonding: T19-064

Dry process, low cost, quick& simple joining technology!

Conventional technologies for joining metal and resin include mechanical fastening with rivets, bolts, nuts, etc. and adhesive bonding, but the former has problems such as poor airtightness and increased number and weight of parts in the bonding area, while the latter has low adhesive strength due to the lack of adhesives for thermoplastic resins and low reliability in long-term use. 　The present invention relates to a technology for joining resin and metal simply, firmly, quickly, and at low cost, which differs from the above methods in that it is a dry process, does not require expensive equipment, and is not a wet process, thus eliminating the need for waste liquid treatment.

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Tohoku University Technology: Joining Solid Metals: T24-079

Tohoku University Technology: Joining Solid Metals: T24-079

It can strongly bond phase-separated metals that could not be traditionally joined in metallurgy while maintaining the shape of the components.

The technology for joining dissimilar metals is expected to contribute to weight reduction of vehicles such as automobiles, trains, and aircraft, improving safety and speed performance, as well as reducing CO2 emissions through lightweighting. However, depending on the types of metals, poor compatibility between materials can lead to phase separation, making joining difficult. The inventors developed a method for joining incompatible metals, such as Fe and Mg, using the de-alloying method as described in Patent No. 6710707. By pre-diffusion bonding an Fe-Ni intermediate layer to the tip of the Fe, and then heating the Fe-Ni intermediate layer in contact with Mg, de-alloying occurred. Only Ni was de-alloyed from the intermediate layer to the Mg side, and Mg filled the gaps in the porous structure of Fe, resulting in a composite structure where Fe and Mg were intertwined at the joint interface, achieving a strong Fe-Mg mechanical bond. Additionally, by utilizing the decrease in melting temperature associated with the Mg-Ni alloy reaction, the joint interface could be liquefied while maintaining the shape of the joined materials, thus promoting de-alloying. At the same time, pressure was continuously applied to expel the alloy liquid, which becomes brittle upon solidification, to the outside.

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Dissimilar Metal Joining Technology "AKROSE(R) Q&A"

Dissimilar Metal Joining Technology "AKROSE(R) Q&A"

What is the new concept of dissimilar metal joining "AKROSE(R)"? Introducing the Q&A collection!

"AKROSE(R)" is a new method for strong dissimilar metal joining that utilizes the cold forging technology developed through the design and manufacturing of industrial fasteners (screws). We would like to introduce a Q&A collection regarding the innovative dissimilar metal joining method "AKROSE(R)." *For more details, please refer to the PDF materials or feel free to contact us.*

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