一种增强增材制造零件材料性能的方法

• Format: Patent
• Language: Chinese
• Published: 14.10.2025
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WORKING METALLIC POWDER

本发明提供了一种增强增材制造零件材料性能的方法，包括如下步骤：S1、规划激光加工路径，将激光加工路径导入控制系统；S2、在基板上铺设金属粉末，利用激光在所述基板上成形基座；S3、利用激光对基座表面进行加工，形成激光诱导周期性表面结构；S4、在激光诱导周期性表面结构上铺设金属粉末，利用激光在所述激光诱导周期性表面结构继续加工沉积下一层；S5、利用激光对上一步骤形成的表面进行加工，形成激光诱导周期性表面结构；S6、重复步骤S4和S5，直至样品打印成型完成。本发明在增材制造层间界面引入LIPSS来调控金属增材制造的层间内应力，进而实现增材制造零件材料的应力可控，增强材料力学性能。 The invention provides a method for enhancing the material performance of an additive manufacturing part, which comprises the following steps of: S1, planning a laser processing path, and introducing the laser processing path into a control system; s2, metal powder is laid on a substrate, and a base is formed on the substrate through laser; s3, laser is used for machining the surface of the base, and a laser-induced periodic surface structure is formed; s4, laying metal powder on the laser-induced periodic surface structure, and continuously processing and depositing a next layer on the laser-induced periodic surface structure by using laser; s5, laser is used for machining the surface formed in the previous step, and a las