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在实验的基础上，总结分析了铬青铜ＱＣｒ０．５变径杯形件的热挤压变形过程，挤压力的变化以及挤压件形状缺陷产生的原因。
Based on the experiment, the hot extrusion deformation process, the extrusion pressure variation and the reason of the shape defects of the extruded cup of the chromium bronze QCr0.5 were summarized.