马泽星,唐清春,陈逢军,潘文俊,张万顺,刘新宇,杨鸿坤

• 1:广西科技大学机械与汽车学院
• 2:温州理工学院智能制造与电子工程学院

摘要(Abstract)：

热管在航空航天等多个领域的高效传热中发挥着重要作用。目前，复杂热管多采用增材制造技术成形，传统磨料射流抛光弯曲管道时，因压力过大易导致管道破裂，而纯空化射流因空化衰减效应，难以保证热管通道表面粗糙度的均匀性。因此，本文提出了一种新型的表面处理技术。该技术利用空化效应辅助增强材料去除作用，采用自研的固液气三相射流抛光装备对热管内壁进行抛光。实验针对0°、15°、30°增材制造的选区激光熔化（selective laser melting, SLM）不锈钢沟槽式热管进行了抛光实验。实验结果表明，在本文实验条件下，固液气三相射流抛光技术能够有效去除表面黏粉、改善“球化”现象，减轻表面台阶效应。通过实验获得了抛光的最优工艺参数，热管内流道表面粗糙度由4.3μm降至3.3μm。

关键词(KeyWords)： 增材制造;热管;固液气三相射流;抛光;表面粗糙度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（52165054,52375424）;; 浙江省木材科学与技术重点实验室课题（LZ24E050001）;; 温州市科技计划项目（G2023050,X2023108）资助

作者(Author): 马泽星,唐清春,陈逢军,潘文俊,张万顺,刘新宇,杨鸿坤

DOI: 10.16375/j.cnki.cn45-1395/t.2026.03.003

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