基于烧蚀原理的激光抛光的数值建模与分析
TP664%TN249; 采用连续激光对304不锈钢材料进行了基于烧蚀原理的激光抛光实验,得到了较好的抛光效果.耦合激光抛光中的传热和材料汽化,建立了一个二维瞬态数值模型,仿真了激光抛光中工件表面的演变,预测了激光抛光后工件的表面形貌和表面粗糙度值,仿真结果与实验结果十分接近,误差仅为8.17%.此外,利用该模型研究了激光抛光中工件表面移动速度的分布情况,确定了表面移动速度与初始表面形貌的关系:表面形貌波峰位置的表面移动速度较大,而波谷位置的表面移动速度较小,揭示了基于烧蚀原理的激光抛光降低工件表面粗糙度的机制....
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| Published in | 东北大学学报(自然科学版) Vol. 41; no. 12; pp. 1760 - 1766 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
东北大学 机械工程与自动化学院,辽宁 沈阳 110819
01.12.2020
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-3026 |
| DOI | 10.12068/j.issn.1005-3026.2020.12.014 |
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| Abstract | TP664%TN249; 采用连续激光对304不锈钢材料进行了基于烧蚀原理的激光抛光实验,得到了较好的抛光效果.耦合激光抛光中的传热和材料汽化,建立了一个二维瞬态数值模型,仿真了激光抛光中工件表面的演变,预测了激光抛光后工件的表面形貌和表面粗糙度值,仿真结果与实验结果十分接近,误差仅为8.17%.此外,利用该模型研究了激光抛光中工件表面移动速度的分布情况,确定了表面移动速度与初始表面形貌的关系:表面形貌波峰位置的表面移动速度较大,而波谷位置的表面移动速度较小,揭示了基于烧蚀原理的激光抛光降低工件表面粗糙度的机制. |
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| AbstractList | TP664%TN249; 采用连续激光对304不锈钢材料进行了基于烧蚀原理的激光抛光实验,得到了较好的抛光效果.耦合激光抛光中的传热和材料汽化,建立了一个二维瞬态数值模型,仿真了激光抛光中工件表面的演变,预测了激光抛光后工件的表面形貌和表面粗糙度值,仿真结果与实验结果十分接近,误差仅为8.17%.此外,利用该模型研究了激光抛光中工件表面移动速度的分布情况,确定了表面移动速度与初始表面形貌的关系:表面形貌波峰位置的表面移动速度较大,而波谷位置的表面移动速度较小,揭示了基于烧蚀原理的激光抛光降低工件表面粗糙度的机制. |
| Author | 王文杰 邹平 杨旭磊 徐辑林 |
| AuthorAffiliation | 东北大学 机械工程与自动化学院,辽宁 沈阳 110819 |
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| Author_FL | ZOU Ping WANG Wen-jie YANG Xu-lei XU Ji-lin |
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| Keywords | 表面形貌 数值建模 激光抛光 烧蚀 表面移动速度 |
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