News & Announcements (Page 98)

While ultrasonic and laser welding are both effective methods for battery foil welding, neither can be monitored in process. So when a battery batch is defective, the problem is not identified until after material, time, and money as been spent. EWI recently tested a resistance spot welding technique that uses a capacitive discharge power supply...

EWI is pleased to welcome HyCAL Corp. to membership. The company is a producer of martensite, dual-phase, complex phase, transformation-induced plasticity, quench & partition, and third-generation high-strength steels as well as hardened and tempered grades. HyCAL Corp. is located in Gibraltar, Michigan. 

Improving the service life of welded structures is a key goal in the energy, transportation, heavy manufacturing, and defense industries. Decreasing or delaying fatigue crack initiation can add years of service and reduce costs significantly for an ongoing operation. EWI recently conducted an early-stage feasibility study to assess friction surface processing, a new technique for...