Angular stacking and extruding die and material forming method thereof

The invention discloses an angular stacking and extruding die and a material forming method thereof. The die is composed of an upper punch head, a female die body and a lower punch head. The molding cavity of the female die body of the angular stacking and extruding die is a T-shaped cavity and is composed of an upper vertical channel, an upper turning channel, a lower vertical channel and a lower turning channel. By adoption of the angular stacking and extruding die and the material forming method thereof, severe plastic extrusion forming of metal materials can be achieved, and the structure property of the materials is improved by refining crystalline grains of the materials. 本发明公开了种转角叠挤模具及其成形材料方法，该模具由上冲头，凹模和下冲头组成，转角叠挤模具的凹模的型腔是""型的空腔，由上竖通道，上转通道，下竖通道和下转通道组成；本发明可实现金属材料的大塑性挤压成形，通过细化材料晶粒，改善材料的组织性能。