镍基合金端铣加工的表面完整性研究-机械工程专业论文.docx

ofsurfacedefectschangingwiththecuttingparametersareresearched. Thisstudyisanecessarycomplementtothesurfaceintegrityandtheachievementsareofgreatsignificancetoimprovethesurfacequalityandtooptimizethecuttingprocess parameters.KEYWORDS：Nickel-basedalloy,Surfacedefects,Endmilling,Surfaceintegrity目录第一章 绪 论................................................................................................................11.1 课题来源和研究意义.......................................................................................11.1.1 课题来源.................................................................................................11.1.2 课题研究意义.........................................................................................11.2 切削加工表面完整性.......................................................................................21.2.1 表面完整性的概述.................................................................................21.2.2 表面完整性的研究现状.........................................................................31.2.3 表面缺陷的研究现状.............................................................................71.3 论文主要研究内容...........................................................................................9第二章 镍基合金的端铣加工实验............................................................................102.1 高温镍合金材料GH4169102.1.1 镍基合金的物理和力学性能...............................................................102.1.2 镍基合金的切削加工性能...................................................................112.1.3 镍基合金的金相组织和碳颗粒...........................................................122.2 端铣加工和表面观察实验.............................................................................132.2.1 端铣加工实验概述...............................................................................132.2.2 加工刀具和涂层选择...........................................................................142.2.3 切削用量的确定...................................................................................152.2.4 表面观察实验设计.....................................