Researchers simulate the process of adhesive wear

Surface wear describes the process of material loss when two surfaces come into contact with each other. It has significant economic, social and health consequences—consider the fine particles emitted by moving vehicles. What's more, it can be observed at all levels, from the nanoscale up to the scale of tectonic faults, with the formation of gouge. There are several wear mechanisms, yet the adhesive type is most common. It takes place when two surfaces—such as two pieces of the same metal—rub against one another and adhere.