{"title":"基于双向光斑重叠率调控的耦合激光抛光碳化硅陶瓷的表面质量研究","authors":"马桂英 Ma Guiying, 陈晓晓 Chen Xiaoxiao, 陈涛 Chen Tao, 张文武 Zhang Wenwu","doi":"10.3788/cjl221213","DOIUrl":null,"url":null,"abstract":"采用多光束耦合纳秒激光对SiC陶瓷进行抛光试验研究,研究了耦合激光的双向光斑重叠率(δ)和能量密度(ED)对抛光表面质量的影响。使用激光共聚焦显微镜、扫描电子显微镜(SEM)、X射线能谱仪以及拉曼光谱仪等仪器观测表征了SiC陶瓷抛光前后的表面形貌、表面粗糙度、元素分布以及物相变化等。结果表明:随着δ和ED的增加,激光抛光表面出现重铸层,重铸层的拉曼光谱曲线含有Si的特征峰;当耦合激光的δ为75%、ED为4.254 J/cm2、扫描次数为2时,抛光表面粗糙度(Ra)降至0.73 μm;当δ和ED过大时,抛光表面易在孔隙附近出现微裂纹,并向周围延伸。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"123 1","pages":"0"},"PeriodicalIF":1.8000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"基于双向光斑重叠率调控的耦合激光抛光碳化硅陶瓷的表面质量研究\",\"authors\":\"马桂英 Ma Guiying, 陈晓晓 Chen Xiaoxiao, 陈涛 Chen Tao, 张文武 Zhang Wenwu\",\"doi\":\"10.3788/cjl221213\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"采用多光束耦合纳秒激光对SiC陶瓷进行抛光试验研究,研究了耦合激光的双向光斑重叠率(δ)和能量密度(ED)对抛光表面质量的影响。使用激光共聚焦显微镜、扫描电子显微镜(SEM)、X射线能谱仪以及拉曼光谱仪等仪器观测表征了SiC陶瓷抛光前后的表面形貌、表面粗糙度、元素分布以及物相变化等。结果表明:随着δ和ED的增加,激光抛光表面出现重铸层,重铸层的拉曼光谱曲线含有Si的特征峰;当耦合激光的δ为75%、ED为4.254 J/cm2、扫描次数为2时,抛光表面粗糙度(Ra)降至0.73 μm;当δ和ED过大时,抛光表面易在孔隙附近出现微裂纹,并向周围延伸。\",\"PeriodicalId\":47922,\"journal\":{\"name\":\"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG\",\"volume\":\"123 1\",\"pages\":\"0\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3788/cjl221213\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3788/cjl221213","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0