When materials are joined by a welding process they are locally melted, re-solidify, and cool down to room temperature. The joining of two steel plates (pearlite) by welding is shown in the top ...

Discover the process of manufacturing a tractor rear wheel rim, starting with molding a steel plate into a round shape and ...

Engineers at The Hong Kong Polytechnic University (PolyU) have developed an innovative welding technology that makes it ...