The effect of backpressure on strength and ductility of Mg–3Al–1Zn alloy with si

背压对一道次等径角变形后Mg-3Al-1Zn合金强度和塑性的影响，康峰，刘金强，通过施加背压，Mg–3Al–1Zn合金的强度和塑性在一道次等径角变形后就显著提高。与不加背压的等径角变形相比，施加背压时晶粒的细化�