中国有色金属学报(英文版), 2017, 27(1): 163-171.
10.1016/S1003-6326(17)60019-0
综合固体颗粒介质成形和超声振动塑性成形技术，提出超声激励颗粒介质成形工艺。为了揭示超声激励对板材软模拉深的影响，在AZ31B镁合金板材固体颗粒介质拉深成形中，运用振动频率20 kHz、最大输出功率1.5 kW的超声振动系统对凹模施加激励。研究表明，超声激励促进颗粒介质的流动性及其传递内压性能；超声振动改变板材拉深中的成形规律并有效降低成形载荷，且随着超声振幅的增加，载荷降低比例越高，这是表面效应和体积效应综合作用的结果。
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