Umchwephesha ochwepheshile kufuneka aqonde ukuba umphezulu wonxibelelwano lomnxibelelanisi ubukeka ugudile, kodwa i-5-10 micron bulge isenokubonwa phantsi kwe-microscope.Enyanisweni, akukho nto injengomphezulu wesinyithi ococekileyo ngokwenene kwi-atmosfera kunye nentsimbi ecocekileyo kakhulu, xa ibonakaliswe emoyeni, iya kwenza ngokukhawuleza ifilimu yokuqala ye-oxide yeemicrons ezimbalwa.Ngokomzekelo, ubhedu luthatha imizuzu emi-2-3 kuphela, i-nickel malunga nemizuzu engama-30, kwaye i-aluminiyam ithatha imizuzwana emi-2-3 ukwenza ifilimu ye-oxide enobunzima obumalunga nee-microns ezi-2 kumphezulu wayo.Nokuba igolide yentsimbi exabisekileyo ezinzileyo, ngenxa yamandla ayo aphezulu, umphezulu wayo uya kwenza umaleko wefilimu ye-organic adsorption film.Amacandelo okumelana noqhagamshelwano lomqhagamshelo anokwahlulwa abe: ukuxhathisa okugxininisiweyo, ukuxhathisa ifilimu, ukuchasana nomqhubi.Ngokuqhelekileyo, izinto eziphambili ezichaphazela uvavanyo lokumelana noqhagamshelwano lwesinxibelelanisi zimi ngolu hlobo lulandelayo.
1. Uxinzelelo oluhle
Uxinzelelo olulungileyo loqhagamshelwano lunyanzeliso oluqhutywe yimihlaba edibeneyo kunye ne-perpendicular kumphezulu woqhagamshelwano.Ngokunyuka koxinzelelo olulungileyo, inani kunye nommandla woqhagamshelwano lwamanqaku amancinci akhula ngokuthe ngcembe, kunye neenguqu ezincinci zoqhagamshelwano ukusuka kwi-elastic deformation ukuya kwi-plastic deformation.Ukuchasana noqhagamshelwano kuncipha njengoko ukunyanzeliswa koxinzelelo kuncipha.Uxinzelelo loqhagamshelwano oluhle kakhulu luxhomekeke kwijometri yoqhagamshelwano kunye neempawu eziphathekayo.
2. Ubume bomphezulu
Umphezulu woqhagamshelwano yifilimu yomhlaba ekhululekile eyenziwe ngokubambelela komatshini kunye nokubekwa kothuli, i-rosin kunye neoli phezu koqhagamshelwano.Olu luhlu lwefilimu yomhlaba lulula ukuba lufakwe kwimingxuma encinci ye-contact surface ngenxa ye-particulate matter, eyanciphisa indawo yoqhagamshelwano, yandisa ukuxhatshazwa koqhagamshelwano, kwaye ingazinzi kakhulu.Okwesibini yifilimu yongcoliseko eyenziwe yi-adsorption ebonakalayo kunye ne-chemical adsorption.Umphezulu wesinyithi ubukhulu becala i-adsorption yeekhemikhali, eveliswa ngokufuduka kwe-electron emva kokubhengezwa komzimba.Ngoko ke, kwezinye iimveliso ezineemfuno eziphezulu zokuthembeka, ezifana nezixhumi zombane ze-aerospace, kufuneka kubekho iimeko zokusingqongileyo zokuvelisa indibano ecocekileyo, inkqubo yokucoca ngokugqibeleleyo kunye nemilinganiselo yokutywinwa kwesakhiwo esiyimfuneko, kunye nokusetyenziswa kweeyunithi kufuneka kube nokugcinwa kakuhle kunye nokusetyenziswa kweemeko zokusingqongileyo zokusebenza.
Ixesha lokuposa: Mar-03-2023