Project(50375117) supported by the National Natural Science Foundation of China
A new technology,semi-solid casting(thixocasting) method,was used to replace the conventional hot forging process to form AISI420 stainless steel air-turbine blade.The power law cut-off(PLCO) material model in Procast...
Project(50375117) supported by the National Natural Science Foundation of China
There exist many problems in producing four-way valve of HPb59-1 alloy for an air-conditioner by traditional solid state hot forging,i.e.larger forming loads,lower material utilization,larger subsequent machining allo...
This workis supported by the National Natural Science Foundation of China (No50375117)
Aiming at the cropping operations widely applied in practical industry production, a new method of bar cropping is presented. The rotational speeds of actuating motor of eccentric blocks are controlled by a frequency-...