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激光直接物标标识铝合金(2024)工艺参数对表面粗糙度影响的研究 被引量:2

Study on the Effect of Laser Direct Part Marking of Aluminum Alloy (2024) Process Parameters on Surface Roughness
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摘要 聚焦激光直接物标标识铝合金(2024)工艺中,功率、填充间隔和重复频率等工艺参数对铝合金表面粗糙度的影响,旨在从形貌、产物成分两方面分析工艺参数与粗糙度之间的影响规律。首先采用1060 nm主控振荡器的功率放大激光器(master oscillator power-amplifier,MOPA)对铝合金2024进行标识,然后使用粗糙度检测仪测量不同工艺参数下的标识表面粗糙度值,结果表明,功率、填充间隔和重复频率影响材料表面熔化、气化、重铸程度,导致材料表面出现不同的粗糙度和不同的粗糙度变化规律。采用数码显微系统观测标识区域表面形貌,采用扫描电镜(SEM)和能谱仪(EDS)分析了标识区域表面的化学成分,结果表明,不同的工艺参数造成标识表面熔化、气化、重铸程度会有明显差异,因而表面形貌和产物不同,影响标识表面粗糙度值。 In this study, the effects of process parameters such as power, filling intervals and repetition rate on the surface roughness of aluminum alloy(2024) were studied in order to analyze the law of influence between process parameters and roughness from the aspects of morphology and product composition. Firstly, 1 060 nm MOPA laser was used to mark aluminum alloy 2024, and then the surface roughness of the mark was measured by roughness detector under different process parameters, and the results show that power, filling interval and repetition rate affect the melting, gasification and recasting degree of the material surface, resulting in different surface roughness and different roughness variation rules. The surface morphology of the marking area was observed by digital microscope system, and the chemical composition of the marking area surface was analyzed by scanning electron microscope(SEM) and energy dispersive spectrometer(EDS). The results show that the melting, vaporization and recasting degree of the marking area surface are obviously different with different process parameters, so the surface morphology and products affect the surface roughness of the marking area.
作者 陈保国 杜远超 张玲玲 卢鹄 陈洁 陈维 刘哨巡 李强 李国旗 陈媛 舒天娇 杨文杰 Chen Baoguo;Du Yuanchao;Zhang Lingling;Lu Gao;Chen Jie;Chen Wei;Liu Shaoxun;Li Qiang;Li Guoqi;Chen Yuan;Shu Tianjiao;Yang Wenjie(Shanghai Aircra ft Manufacturing Co.,Ltd.,Shanghai 201324,China;Shanghai Iustitute of Laser Technology,Shanghai 200233,China;Shanghai Laser DPM Traceability Engineering Research Center,Shanghai 200233,China)
出处 《应用激光》 CSCD 北大核心 2021年第4期787-792,共6页 Applied Laser
关键词 激光直接物标标识 MOPA 铝合金2024 表面粗糙度 形貌分析 laser direct-part marking MOPA aluminium alloy 2024 surface roughness morphology analysis
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