Studies on the subject of wear and tearFriction losses: the material is unforgiving
It is still largely unclear how exactly wear occurs. Scientists at KIT have now been able to prove that the effect occurs at the very first contact and always takes place at a very specific point in the material.
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Hard meets soft: When the sapphire ball moves over the copper sample, this causes a permanent change in the material from the very first contact. © Paul Schreiber, KIT/IAM