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为解决由机械振动产生的超声波无法在高温环境中成功应用的难题,提出了利用静磁场和交流电流、静磁场和交流磁场的相互作用分别在金属液内直接生成高强度电磁超声波的方法,运用超声波压力传感器对用这两种方法在金属液内生成的电磁超声波的强度进行了测量.研究表明:电磁超声波的强度与所施加的高频电磁力的强度成正比,频率与电磁力的频率相同;实验结果和理论解析结果基本一致;利用高频电磁力的局部作用在金属液全场范围内生成的电磁超声波可以在金属精炼及凝固过程中获得广泛应用.

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