Khohlano e tlase le tšebeliso e tlase ea matla ke melemo ea makhaola-khang e fanoang ke litiiso tsa PTFE.Litiiso tsena li ka sebelisoa ntle le mathata le ka ho omella ...
Ho sa tsotellehe thepa ea eona e tsotehang e hloekileng, e sa tlatsoang kapa e sa hloekang PTFE ha e lekane bakeng sa likopo tse ngata tse hlokang boenjiniere.Ka ho khetheha, phallo ea eona e batang kapa boitšoaro ba creep e ne e thibela ho sebelisoa ha PTFE lits'ebetsong tsa mechine.Esita le mocheso oa kamore, PTFE e ba le deformation e kholo ha nako e ntse e e-na le mojaro o sa khaotseng. Hape, PTFE ea moroetsana ha e na matla leha e le efe 'me e apara ka potlako ho sa tsotellehe coefficient ea eona e tlaase ea likhohlano.Ka 1960's, ho phaella ha li-fillers ho ile ha fumanoa ntlafatsa lintho tse 'maloa tsa' mele, haholo-holo sekhahla le lebelo la ho apara.Li-filler tse ngata li tsitsitse ho fihlela ho 400 ° C, kahoo ha li thibele ho sebelisoa ha mocheso o phahameng.Ho thathamisitsoe ka tlase ke tse ling tse tloaelehileng tsa li-filler le phello ea tsona ho thepa ea 'mele ea motsoako oa PTFE.
Khalase ea fiber
Glass fiber ke ntho e sebelisoang hangata e nang le tšusumetso e ntle ts'ebetsong ea creep ea PTFE, e fokotsoang ka mocheso o tlase le o phahameng.E boetse e eketsa khanyetso ea ho apara 'me e fana ka matla a matle a ho hatella.Tlatsetso ena ke inert ea lik'hemik'hale ntle le boteng ba hydrofluoric acid le metheo e matla.E na le phello e fokolang linthong tsa motlakase.
Carbon le carbon-graphite
Carbon e fokotsa ho nyenyelepa, e eketsa ho thatafala le ho phahamisa conductivity ea mocheso oa PTFE.Ho hanyetsa ho sebelisoa ha lik'hemik'hale tse tletseng carbon ho ntlafala haholo ha ho kopane le graphite.Carbon ke e 'ngoe ea li-filler tse inert ka ho fetisisa ntle le libakeng tse nang le oxidizing moo khalase e sebetsang hantle.Carbon e fana ka conductivity e itseng ea motlakase ho PTFE.PTFE e tletseng khabone e sebelisoa ka tloaelo lits'ebetsong tsa ho koala moea.Metsoako e nang le k'habone e kopantsoeng le graphite ke lisebelisoa tse ratoang bakeng sa lits'ebetso tse sa tlotsoang.
Fiber ea carbon
Ho eketsoa ha carbon fiber ho PTFE ho fetola thepa ea eona ka tsela e tšoanang le ea fiber ea khalase.E theola ho lla, e eketsa flex le compressive modulus mme e phahamisa boima.Ka kakaretso, fiber e nyenyane ea carbon ho feta fiber ea khalase e hlokahalang ho finyella phello e ts'oanang.The coefficient ea ho atolosa mocheso o theoleloa 'me conductivity ea mocheso e phahame bakeng sa metsoako ea carbon fiber e tletseng PTFE.Sekhahla sa ho apara se fokotseha ha likarolo tsa carbon faeba li tlotsoa ka metsi. Carbon fiber ha e sebetse ka lik'hemik'hale 'me e ka sebelisoa ho li-bases tse matla le hydrofluoric acid.
Graphite
Graphite ke phetoho ea crystalline ea carbon e hloekileng haholo.PTFE e tlatsitsoeng ke graphite e na le e 'ngoe ea li-coefficients tse tlase tsa khohlano ka lebaka la litšobotsi tse tlase tsa khohlano ea graphite.E na le mekhoa e metle ea ho apara, haholo-holo khahlanong le libaka tse bonolo tsa ho nyalana 'me e bontša bokhoni bo phahameng ba ho jara meroalo lits'ebetsong tsa lebelo le phahameng.Graphite ke inert ea lik'hemik'hale e lumellang tšebeliso ea eona mecheng ea litaba e senyang.
Boronse
Bronze ke tšepe e tloaelehileng ea tšepe.Bongata bo boholo (40 ho 60% ka boima ba 'mele) ba boronse bo fokotsa ho senyeha ha moroalo le ho phahamisa mocheso le motlakase oa metsoako ea PTFE.Litšobotsi tsena tse peli li na le molemo ho likopo moo karolo e kenngoa tlas'a mocheso o feteletseng.PtFE e tletseng bronze e fana ka litšobotsi tse babatsehang tsa ho hanyetsa extrusion.Bronze ke motsoako oa koporo le thini 'me e ka hlaseloa ke lik'hemik'hale tse itseng.Oxidation ea boronse e ka fella ka ho fifala ha karolo e phethiloeng ntle le ho ama boleng ba sehlahisoa.PTFE e tlatsitsoeng ka boronse e sebelisoa haholo lits'ebetsong tsa hydraulic rod le piston seal.
Molybdenum disulfide (MoS2)
Molybdenum disulphide e eketsa ho tiea le ho satalla ha PTFE ha e ntse e fokotsa likhohlano.E na le phello e fokolang linthong tsa eona tsa motlakase.Chemically, haholo-holo ha e sebetse 'me e qhibiliha feela ka li-acid tse matla tsa oxidizing.Ka tloaelo e sebelisoa ka liphesente tse nyenyane tsa boima ba' mele 'me e kopane le li-filler tse ling tse kang khalase ea fiber.
Polyester e nkhang hamonate
Polyester e nkhang hamonate e le ntho ea ho tlatsa e phahamisa mocheso o phahameng oa PTFE 'me e ntle haholo bakeng sa tšebeliso ea libaka tse bonolo, tse matla tsa ho nyalana.
Li-additives tsa mebala
Hoa khoneha ho etsa pigment PTFE ka ho sebelisa li-additives tsa mebala tse sa pheleng tse mamellang mocheso oa PTFE.Li-pigments ha li fetole haholo thepa ea PTFE.Metsoako ea li-pigments le li-fillers tse ling lia khoneha.Proprietary fillers and filler combinationsParker e tsoela pele ho leka ka matla ho batla le ho hlahisa metsoako e ikhethang le mekhoa ea ho ntlafatsa ts'ebetso ea ho tiisa lits'ebetsong tse feteletseng ka ho fetisisa.
Nako ea poso: Aug-16-2016