铝合金电子束扫描表面处理的研究-机械制造及其自动化专业论文.docx

resistanceismuchbetter.Boththehardnessandwearresistanceofaluminiumalloyhavebeenimprovedbyusingelectron beamscanning technique.Itprovideeffectivetechniquefor actualproductionapplication of aluminum alloy.So the research results is important to aluminum alloysurfacestrengthening.Keywords:Electronbeamscanning,Aluminiumalloy,Surfacetreatment,Microscopicstructure,Hardness,Wearresistance目录摘 要................................................................................................................ⅠAbstract...........................................................................................................Ⅱ第一章 绪论.....................................................................................................11.1课题背景...................................................................................................................11.2 电子束表面强化处理的研究现状...........................................................................21.2.1 国外电子束表面强化的发展及研究现状....................................................21.2.2 国内电子束表面强化处理的发展及研究现状............................................41.3 电子束表面强化处理物理基础及分类...................................................................61.3.1 电子束表面强化处理的物理基础................................................................61.3.2 电子束表面强化处理的类型........................................................................61.4 课题的来源..............................................................................................................71.5 课题的研究意义......................................................................................................71.6 论文的主要内容及创新点......................................................................................8第二章试验设备与研究方法................................................................... 102.1试验材料.................................................................................................................102.1.1 基体材料..............................................................