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最近,日本公布了一些冲破传统观念的科技新成就。它们不仅有重大的实用价值,而且有助我们开拓视野,解放思想。 施加电压可控制摩擦力 日本东京都科技大学山本好夫发现,两块金属相互摩擦时,其表面之间会出现波形偏斜的交流电压和直流电压。如果施加同其方向相反的电压来抵消它。那么便可减小它们之间的摩擦力。反之,则可加大摩擦力。利用用作轴承材料的低碳钢和不锈钢进行实
Recently, Japan announced some new achievements in science and technology that have broken away from traditional concepts. They not only have great practical value, but also help us broaden our horizons and emancipate our minds. Applying voltage to control friction Japan's Kyoto University of Science and Technology, Yamamoto Kazuo found that two metal friction, the surface will appear between the waveform deflection of AC voltage and DC voltage. If it is applied in the opposite direction of the voltage to offset it. Then you can reduce the friction between them. On the contrary, you can increase the friction. Use of low carbon steel and stainless steel for bearing materials