Application study on nanosecond pulse laser cleaning aluminum anodic oxide film

NI Jiaming; XU Aijie; CHEN Bo; YANG Sida; WANG Chunming; YANG Xueqin

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Application study on nanosecond pulse laser cleaning aluminum anodic oxide film
Vol. 49, Issue 11, Pages: 26-29(2019)
DOI：

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NI Jiaming, XU Aijie, CHEN Bo, et al. Application study on nanosecond pulse laser cleaning aluminum anodic oxide film. [J]. 49(11):26-29(2019)
DOI：

NI Jiaming, XU Aijie, CHEN Bo, et al. Application study on nanosecond pulse laser cleaning aluminum anodic oxide film. [J]. 49(11):26-29(2019) DOI：

摘要

利用一种新型纳秒高能脉冲光纤激光,开展航天铝结构件阳极氧化膜局部精准清除技术研究,并采用SEM和EDS对金属新生表面进行成分表征。结果表明,采用高峰值功率纳秒脉冲光纤激光清除后,新生金属表面成分为99%Al,实现了铝合金阳极氧化膜层高效、彻底的破碎剥离式清除。大型铝合金贮箱结构件采用该种激光清除焊接边,其焊缝质量优良。

Abstract

The aluminum anodic oxide film is cleaned by using a nanosecond pulse laser. Both SEM and EDS are used for element component analysis. The results show that the newly born metal surface is composed of 99 wt.% Al element. The aluminum anodic oxide film is completely peeled under laser heating crack mechanism. The weld quality of propellant tank using laser cleaning technology reaches the highest level.

关键词

激光清除阳极氧化膜金属原生表面纳秒脉冲激光

Keywords

laser cleaninganodic oxide filmoriginal metal surfacenanosecond pulse laser

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