Hyundai Motors partnered with Kia to develop a tire with integrated snow chain technology that can be activated at the push of a button. It utilizes shape memory alloy modules that are located directly inside the wheel and tire, protruding to act as a ‘snow chain’ when an electrical signal is received.
How does it work? Aside from the shape memory alloy’s ability to return to its original shape when an electric current is applied, the modules are actually compressed into the shape of the letter ‘L’ and does not contact the road surface when driving. Upon activation, an electric current is applied, causing the shape memory alloy to revert to its original profile. In other words, the material forms a ‘J’ shape, pushing the module out of the tire to make contact with the surface, thus improving grip on snowy roads.
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This innovation, which will hopefully be introduced on Hyundai and Kia vehicles someday, reflects our commitment to turning advanced technologies into real-world solutions that benefit customers. We will continue to develop technologies that enhance safety and convenience of our vehicles and bring value to our customers,” said Joon Mo Park, Head of Advanced Chassis Development Team.
[Source]
