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中文摘要：
介绍了几种调控材料力学性能的特种激光加工方法。所谓激光毛化,是利用高功率密度激光在轧辊表面制造指定形貌和粗糙度,该方法不仅可以改善轧辊的性能与功能,还可以通过冷轧工艺改善所轧薄板的质量与性能。所谓激光界面强化,是在电镀铬前先对基体进行激光离散热处理,以此影响电镀时该基体上镀层原子的沉积过程、细化镀层组织并优化其与基体的界面结构,从而提高镀层部件的性能和寿命。所谓激光辅助成形,则是利用激光热效应作用工件的局部区域,通过诱导弹性应力做塑性功,实现其塑性成形或改善其形状精度。
英文摘要：
Several special laser processing methods for regulating the mechanical properties of materials are introduced.The so-called laser texturing is to engrave the specify morphology and roughness on the surface of rolls using high-power-density laser.This method can not only improve the performance and function of the rolls,but also improve the performance of the rolled metal sheet by the cold rolling process.Using the laser strengthening method of coating interface,the coating and its interface structure between the coating and the substrate can be optimized through influencing the atomic deposition process while plating.The laser-assisted forming method is using the laser thermal effect to induce the elastic internal stress to do plastic work for forming the parts or improving accuracy of their shape.
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