长沙航空职业技术学院学报JOURNALOFCHANGSHAAERONAUTICALVOCATIONALANDTECHNICALCOLLEGE第23卷第1期2023年3月Vol.23No.1Mar.2023-9-DOI:10.13829/j.cnki.issn.1671-9654.2023.01.003飞机辅助进气门冷喷涂再制造修复技术研究董丽斌，代雪婷，南健（国营芜湖机械厂，安徽芜湖241000）摘要：采用冷喷涂技术对飞机辅助进气门进行了再制造修复，运用金相观察、显微硬度检测、结合强度测试、耐蚀性能检测及着色渗透探伤检测等方法对再制造修复效果进行评估。结果表明，修复区域涂层孔隙率仅为0.32%，致密度高，且涂层界面夹杂物少，结合强度不低于57MPa，最高可达65MPa，与基体的结合性能优异。添加氧化铝颗粒的涂层显微硬度可达104.8HV0.05，耐磨性能与基体相近，有效防止了修复后的二次磨损。研究结果表明，飞机辅助进气门再制造修复效果达到设计要求，修复效果良好。关键字：辅助进气门；再制造修复；冷喷涂；铝合金中图分类号：V267文献标识码：A文章编号：1671-9654(2023)01-0009-04ResearchonColdSprayingRemanufacturingRepairTechnologyofAircraftAuxiliaryInletValveDONGLi-bin,DAIXue-ting,NANJian(State-ownedWuhuMachineryFactory,WuhuAnhui241000)Abstract:Inthiswork,coldsprayingtechnologyisusedtocompletetheremanufactureoftheaircraftauxiliaryinletvalve,andtheeffectofrepairisevaluatedbymeansofmetallographyobservation,microhardnesstesting,bondingstrengthtesting,corrosionresistancetestinganddyepenetrantinspection.Theresultsshowthattheporosityofcoatingintherepairareaisonly0.32%,whichmeansthedensityofcoatingishigh.Thecoatinginterfaceonlyhavefewinclusions,thebondingstrengthisnotlessthan57MPaandupto65MPa,whichprovesthebondingperformanceofcoatingwiththematrixisexcellent.Further,themicrohardnessofthecoatingbyaddingaluminaparticlescanreach104.8HV0.05.Thewearresistanceissimilartothatofthematrix,whicheffectivelypreventsthesecondarywearafterrepair.Thecomprehensiveresearchresultsshowthattheremanufacturingrepaireffectoftheaircraftauxiliaryinletvalvemeetsthedesignrequirementsandtherepaireffectisgood.Keywords:auxiliaryinletvalve;remanufacturingrepair;coldspraying;aluminiumalloy收稿日期：2022-06-26作者简介：董丽斌（1993—），男，陕西商洛人，工程师，研究方向为航空...
