The structural evolution of ZA27 alloy modified by element Zr was studied during semi-solid isothermal heat treatment, and its transformation mechanism was also
The compressive creep behavior at 1200-1400℃ of an in-situ synthesized MoSi2-30%SiC(volume fraction)composite and a traditional PM MoSi2-30%SiC(volume fraction
The vibration unsteady condition of rolling mill caused by flexural vibration of strip has been investigated. The parametric flexural vibration equation of roll