HPb59-1黄铜是一种在工业上应用广泛的材料。由于该材料强度较高(σ_b=40～65公斤力/毫米~2,σ_s=14～45公斤力/毫米~2),硬度也较高(HV=90～152),所以,对于形状复杂、精度高的零件采用挤压等塑性加工难以成形。采用超塑性成形工艺,即把形状简单的毛坯经超塑性预处理后,在温度为620℃时进行等温模压,压机速度为2～3毫米/秒,一次成形便可压出棱角清晰;表面质量好,尺寸精度高,形状复杂的零件。 HPb59-1 Brass is a widely used industrial material. Due to the high strength of the material (σ_b = 40 to 65 kgf / mm2, σ_s = 14 to 45 kgf / mm2) and high hardness (HV = 90 to 152) High precision parts such as plastic extrusion processing difficult to shape. The use of superplastic forming process, that is, the rough shape of the pre-treated by superplastic, at a temperature of 620 ℃ isothermal molding, the press speed of 2 ~ 3 mm / s, a shape can be extruded sharp edges and corners; surface Good quality, high dimensional accuracy, complex shape parts.