CAJ | 학술논문

脉冲激光电化学复合沉积利用激光的热力冲击效应可以有效提高沉积效率，改善加工质量。在所构建的纳秒脉冲激光电化学沉积加工系统中，利用激光辐照和电化学沉积的方法对铜进行了复合沉积试验。分析了激光的热力冲击效应对电沉积的作用机理，激光产生的力效应使阴极基片发生弹性变形，改变了电极电势和电流密度，提高了电沉积质量。通过加工试验，研究了激光平均功率密度对沉积质量和沉积效率的影响，并进行了讨论。试验结果表明，激光平均功率密度介于100~400 kW/cm2时可以获得较好的沉积层质量。激光平均功率密度在200 kW/cm2左右，沉积速率取得最大值。
맥충격광전화학복합침적이용격광적열력충격효응가이유효제고침적효솔，개선가공질량。재소구건적납초맥충격광전화학침적가공계통중，이용격광복조화전화학침적적방법대동진행료복합침적시험。분석료격광적열력충격효응대전침적적작용궤리，격광산생적력효응사음겁기편발생탄성변형，개변료전겁전세화전류밀도，제고료전침적질량。통과가공시험，연구료격광평균공솔밀도대침적질량화침적효솔적영향，병진행료토론。시험결과표명，격광평균공솔밀도개우100~400 kW/cm2시가이획득교호적침적층질량。격광평균공솔밀도재200 kW/cm2좌우，침적속솔취득최대치。
Electrochemical deposition combine with pulse laser by using the thermal shock effect of laser, which can improve deposition efficiency and processing quality. The copper was deposited by a compound processing of laser and electrochemical in an experimental system established. The mechanism of the electro-deposition with the thermal shock of the laser was analyzed. These forces created by the laser make cathode substrate produce elastic deformation, changing the electrode potential and current density, improved the electro-deposition quality. Through the processing experiment, the effect of deposition efficiency and processing quality under different average laser power density were studied and discussed . The results show that when the average laser power density between the 100 kW/cm2 to 400 kW/cm2, the good deposition quality can be obtained. And the maximum deposition rate can be obtained when the average laser power density about 200 kW/cm2.