tiln涂层梳刀膜-基系统激光微织构2f冲击复合工艺-研究

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1、万方数据TiAlN涂层梳刀膜．基系统激光微织构／冲击复合工艺研究但并未使涂层刀具表面摩擦系数与磨痕形貌得到进一步改善；与传统涂层梳刀比较，基体微织构工艺与膜．基系统激光微织构／冲击复合工艺涂层刀具的磨损机制并未发生改变，但是涂层刀具的摩擦磨损性能得到了一定改善。关键词：TiAlN涂层梳刀，激光微织构，激光冲击强化，膜．基匹配性，摩擦磨工口狈II万方数据江苏大学硕士学位论文ABSTRACTInthenowadaysworld，oilandgasresourcesareincreasinglyscarceandminingenvironmentisincreasinglysevere

2、．Ni-basesuperalloyistheidealpipematerialunderthecondition，usingacementedcarbidecoatingtubechasertoolformingpipethreadofoilc嬲ingisfollowingestablishedinternational．However,thecuttingtoolworkingconditionsisSOcomplicatedthatresultingcoatingtoolfilm-substrateperforman．ceandfrictionandwearinapoorc

3、ondition，theservicelifeoftoolisshortandtheprocessefficiencyislow．Therefore，thereisvitallyimportantsignificanceimprovingtheperformanceoffilm—substratesystemandfrictionandwearconditionofthecoatingt001．Thistextaimedattheproblemoftheperformanceoffilm-substratesystemandthefrictionandwearconditiono

4、fthecoatingtool，proposingthecompositetechnologyoflasermicro—texturingandshockpeeningbasedonTiAlNcoatingchasertoolfilm—substratesystem：thecompositetechnologyofthelasersurfacetexturing(LST)onthesubstrateofthetoolthencoatingandlasershockpeening(LSP)onthecoating．Forresearchingtheidea，thispapercon

5、ductedanexploratorystudyoftheperformanceoffilm-substratesystemandthefrictionandwearconditionoftheTiAINcoatingt001．Themaincontentsinclude：Firstly,LSTwereprocessedonthecuttingtoolsubstrate．Usingfmerlaserwithdifferentprocessparametersconductedmicro—poresonthetoolsubstrate．Theinfluencerulesofthep

6、rocesspowerandtimesandSCanpathonthesizeandmorphologyofmicro—poreswereanalyzed．Searchresults：themostsuitableparameterswithintheparametersofthechosenare7Wprocesspower,3-5timesandclosedArchimedesspiral．Secondly,theinfluenceofthecompositetechnologyoflasermicro—texturingandshockpeeningonmatchingpe

7、rformanceofTiAlNcoatingtoolfilm—substratesystem．TheTiAlNcoatingwasdepositedbyPVDtechnologyonthetoolwithLSTprocess，III万方数据TiAIN涂层梳刀膜．基系统激光微织构／冲击复合工艺研究thenLSPwasprocessedbynanosecondlaseronthecoatingtoolsurface．Theresidualstressandmicrohardness