硬脆材料加工表层力学性能研究及其仿真预测

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1、ཙ⍕བྷᆖ⺅༛ᆖս䇪᮷⺜㜶ᶀᯉ࣐ᐕ㺘ቲ࣋ᆖᙗ㜭⹄ウ৺ަԯⵏ亴⍻ResearchandSimulationPredictionoftheMechanicalPropertiesofHardBrittleMaterialsProcessingSurfaceᆖ、уъ˖ᵪỠᐕ〻֌㘵ဃ਽˖ᑨᘇᯠᤷሬᮉᐸ˖᷇┘ᮉᦸཙ⍕བྷᆖᵪỠᐕ〻ᆖ䲒Ҽ䴦аӄᒤॱҼᴸ⤜ࡋᙗ༠᰾ᵜӪ༠᰾ᡰ੸ӔⲴᆖս䇪᮷ᱟᵜӪ൘ሬᐸᤷሬл䘋㹼Ⲵ⹄ウᐕ֌઼ਆᗇⲴ⹄ウᡀ᷌ˈ䲔Ҷ᮷ѝ⢩࡛࣐ԕḷ⌘઼㠤䉒ѻ༴ཆˈ䇪᮷ѝнवਜ਼ަԆӪᐢ㓿ਁ㺘ᡆ᫠߉䗷Ⲵ⹄ウᡀ᷌ˈҏнवਜ਼Ѫ㧧ᗇ天津大学ᡆަԆᮉ㛢ᵪᶴⲴᆖսᡆ䇱Җ㘼⭘䗷ⲴᶀᯉDŽоᡁа਼ᐕ֌Ⲵ਼ᘇሩᵜ⹄ウᡰ

2、ڊⲴԫօ䍑⥞൷ᐢ൘䇪᮷ѝ֌Ҷ᰾⺞Ⲵ䈤᰾ᒦ㺘⽪Ҷ䉒᜿DŽᆖս䇪᮷֌㘵ㆮ਽˖ㆮᆇᰕᵏ˖ᒤᴸᰕᆖս䇪᮷⡸ᵳ⭘ᦸᵳҖᵜᆖս䇪᮷֌㘵ᆼޘҶ䀓天津大学ᴹޣ؍⮉ǃ⭘ᆖս䇪᮷Ⲵ㿴ᇊDŽ⢩ᦸᵳ天津大学ਟԕሶᆖս䇪᮷Ⲵޘ䜘ᡆ䜘࠶޵ᇩ㕆ޕᴹޣᮠᦞᓃ䘋㹼Ự㍒ˈᒦ䟷⭘ᖡঠǃ㕙ঠᡆᢛ᧿ㅹ༽ࡦ᡻⇥؍ᆈǃ≷㕆ԕ׋ḕ䰵઼ُ䰵DŽ਼᜿ᆖṑੁഭᇦᴹޣ䜘䰘ᡆᵪᶴ䘱Ӕ䇪᮷Ⲵ༽ঠԦ઼⻱ⴈDŽ˄؍ᇶⲴᆖս䇪᮷൘䀓ᇶਾ䘲⭘ᵜᦸᵳ䈤᰾˅ᆖս䇪᮷֌㘵ㆮ਽˖ሬᐸㆮ਽˖ㆮᆇᰕᵏ˖ᒤᴸᰕㆮᆇᰕᵏ˖ᒤѝ᮷᪈㾱ⴞࡽˈ䲿⵰䘋࣐ᐕࡦ䙐ᢰᵟⲴᘛ䙏ਁኅˈ⺜㜶ᶀᯉᗇԕ൘਴儈㋮ቆ亶ฏᒯ⌋ᓄ⭘ˈቔަᱟ䶎䠁኎䶎ሬ⭥ᶀᯉ৺ॺሬփㅹˈ൘ᆖǃ⭥ᆖǃ㡚ཙǃഭ䱢৺≁⭘ᐕъㅹ亶ฏ䎺

3、ᶕ䎺Პ৺ᓄ⭘ˈᒦঐᦞ⵰䶎ᑨ䟽㾱ⲴൠսDŽ⺜ᓖǃᶘ∿⁑䟿৺ᯝ㻲丗ᙗㅹ֌Ѫ৽᱐ᶀᯉ࣋ᆖᙗ㜭Ⲵสᵜ৲ᮠᡀѪᵜ᮷⹄ウⲴ䟽⛩ˈሩ⺜㜶ᶀᯉ਴亩࣋ᆖᙗ㜭䘋㹼ਸ⨶Ⲵ亴⍻ᱟᵜ᮷⹄ウⲴ㩭㝊⛩DŽѪҶ⹄ウ৺亴⍻⺜㜶ᶀᯉ࣐ᐕ㺘ቲ࣋ᆖᙗ㜭ˈᵜ᮷ѫ㾱ڊⲴᐕ֌ᴹ˖ԕঅᲦ⹵Ѫˈ䙊䗷⿫ᆀ⌘ޕ᭩ᙗࡦ༷ṧԦˈᶴᔪҶާᴹн਼ᦏՔ⢩ᙗⲴ⺜㜶ᶀᯉ࣐ᐕ㺘䶒/ӊ㺘䶒ᦏՔ⁑ර˗䙊䗷㓣㊣঻Ⰵ⍻䈅㧧ᗇҶ਴ṧԦⲴ㺘ቲ࣋ᆖᙗ㜭˗࡙⭘Xሴ㓯㹽ሴ˄XRD˅ሩ᭩ᙗਾṧԦ㺘ቲ⢙⴨䘋㹼Ҷ࠶᷀ˈ⹄ウҶ᭩ᙗਾṧԦ㺘ቲ࣋ᆖᙗ㜭ਈॆᵪ⨶˗สҾABAQUSԯⵏ䖟Ԧሩᶀᯉ⺜ᓖ઼ᯝ㻲丗ᙗ䘋㹼Ҷԯⵏ亴⍻ˈᒦӾԯⵏⲴ䀂ᓖ⹄ウҶᶘ∿⁑䟿ǃ⋺ᶮ∄৺ᴰབྷѫᓄ࣋ሩᶀᯉᯝ㻲丗ᙗⲴᖡ૽

4、DŽ䙊䗷བྷ䟿Ⲵ⨶䇪࠶઼᷀ᇎ傼ԯⵏ傼䇱ˈᵜ᮷ѫ㾱⹄ウᡀ᷌ྲл˖˄1˅䙊䗷⿫ᆀ⌘ޕ᭩ᙗˈԕঅᲦ⹵ѪˈᶴᔪҶާᴹн਼㺘ቲ࣋ᆖᙗ㜭Ⲵ⺜㜶ᶀᯉ࣐ᐕ㺘䶒/ӊ㺘䶒ᦏՔ⁑රˈᒦُࣙ㓣㊣঻Ⰵ䈅傼઼Xሴ㓯㹽ሴ˄XRD˅ˈሩ਴ṧԦ࣋ᆖᙗ㜭䘋㹼Ҷ⹄ウˈ㔃᷌㺘᰾਴ṧԦ䗮ࡠҶ亴ᵏᦏՔᕅޕ᭩ᙗⲴ᭸᷌ˈ਴ṧԦ㺘ቲ࣋ᆖᙗ㜭ᴹҶн਼Ⲵ᭩ਈˈᡀ࣏ᶴᔪҶ⺜㜶ᶀᯉ࣐ᐕ㺘䶒/ӊ㺘䶒ᦏՔ⁑රDŽ˄2˅สҾABAQUSሩᶀᯉⲴ⺜ᓖ䘋㹼Ҷԯⵏ亴⍻ˈԯⵏ㔃਼᷌ᇎ傼⍻ᗇⲴᇎ䱵㔃᷌䖳Ѫ੫ਸˈ傼䇱Ҷᡰᔪ・Ⲵ⺜ᓖԯⵏ亴⍻⁑රⲴ↓⺞ᙗ઼ᴹ᭸ᙗDŽ˄3˅สҾABAQUSԯⵏ䖟ԦѝⲴXFEM⁑ඇˈ㔃ਸᶀᯉ⁑ර৺ཆ᧘⌅ˈሩṧԦⲴᯝ㻲丗ᙗ䘋㹼Ҷԯⵏ亴⍻DŽঅᲦ⹵

5、0ਧṧԦⲴ亴⍻٬оᇎ䱵ᮠᦞ੫ਸˈ䈤᰾ᵜᯝ㻲丗ᙗ亴ᣕ⁑රⲴᴹ᭸ᙗDŽ˄4˅ُࣙᯝ㻲丗ᙗԯⵏ亴ᣕ⁑රˈ࡙⭘᧗ࡦਈ䟿⌅ˈ࠶࡛⹄ウҶᶘ∿⁑䟿ǃ⋺ᶮ∄৺ᴰབྷѫᓄ࣋ሩᶀᯉᯝ㻲丗ᙗⲴᖡ૽ˈਁ⧠˖ᶘ∿⁑䟿оᶀᯉᯝ㻲丗ᙗᰐޣ˗⋺ᶮ∄ሩᯝ㻲丗ᙗӵᴹᴹ䲀Ⲵᖡ૽˗ᴰབྷѫᓄ࣋ᱟᖡ૽ᶀᯉᯝ㻲丗ᙗⲴѫ㾱ഐ㍐ˈҼ㘵ѻ䰤੸ⴤ㓯↓ੁਈॆⲴޣ㌫DŽޣ䭞䇽˖⺜㜶ᶀᯉ˗࣐ᐕ㺘䶒˗㓣㊣঻Ⰵ˗⺜ᓖ˗ᯝ㻲丗ᙗ˗亴⍻IAbstractAtpresent,withtherapiddevelopmentofadvancedmanufacturingtechnologythehardbrittlematerialshasbeenwidelyus

6、edinthefieldofhigh-tech.Especially,thenon-metallicnon-conductivematerialsandsemiconductors,etc,hasbeenmoreandmorepopularlyusedinthefieldofoptical,electrical,aerospace,defenseandcivilianindustriesandother,andoccupiedaveryimportantposition.Hardness,Young'smodulusandfracturetoughness,whicharethebas

7、icparametersofthemechanicalpropertiesofmaterials,becamethefocusofthispaper,andthereasonablepredictionofthemechanicalpropertiesturnedintothemainpoint.Forstudyandforecastthemechanicalpropertiesofthehardandbrittlematerialsproce