对含驻留滑移带(PSB)的[123]取向的疲劳Cu单晶体,进行了高密度脉冲电流处理结果表明,高密度脉冲电流处理产生的热压应力改善了PSB-基体界面的应力集中状态,使驻留滑移带局部消失.理论计算同时表明,高密度脉冲电流处理能提高Cu单晶疲劳寿命.
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