용융아연도금강판에서 어닐링 온도변화에 따른 화합물화가 도금층 기계적 특성 및 마찰계수에 미치는 영향

In the modern days, a galvannealed sheet steel (GA) instead of a cold rolled steel sheet has been widely used as an alternative to extend the life of automotive body. Accordingly, the mechanical properties of GA for automobiles were taken into account and studied by comparing with the temperature va...