I-1. Ukulungiselela ukhathalelo
Ukwenzela ukuba kube lula uvavanyo lwe-electrochemical olwenziwe kamva, i-30mm ikhethwa × 4 mm 304 intsimbi engenasiseko njengesiseko. I-Polish kwaye ususe ungqimba lwe-oxcoud kunye nebala le-runstor kumphezulu wepaneli, ubeka kwi-boad kumphezulu we-octrasonic yenkampani ye-bangjie ye-20min, susa I-birb yenkunkuma kumphezulu wensimbi ngotywala kunye namanzi okugcina iziselo, kwaye imile ngebhulukhwe. Emva koko, i-Alumna (Al23), i-Graphene kunye ne-Chbon Natbon Natbon Natble (MWnt-Cohsdbs) ilungiselelwe ngokulinganayo (100: 0,2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2: 0.2 I-Guily Mill (QM-3SP2 ye-NANJJE SPORMIL MFRIKI) yeSoftway yeSoftway) yokugaya ibhola kunye nokuxuba. Isantya esijikelezayo somlingisi sebhola sibekwe kwi-220 r / min, kunye ne-Goll Gome yajika
Emva kokugaya ibhola, setha isantya sokujikeleza kwetanki yokuba yi-1/2 emva kokuba igqityiwe itayitile ye-tinki yokugaya ibhola ukuba igqityiwe. Ibhola ye-ceramic ye-ceramic ahlanganisiweyo kwaye i-binder ixutywe ngokulinganayo ngokwesistim ye-1.0: 0.8. Okokugqibela, ukuqhutywa kwe-cemaramic cemarative kufumaneka kwinkqubo yonyango.
I-2. Uvavanyo lwe-corrosion
Kolu phononongo, uvavanyo lwe-ElectroOchemion Corrosion Chanhua Chenhua Chenhua Chi60eStochemication, kwaye novavanyo lumkela inkqubo yovavanyo lwesithathu lwe-electrode. IPlatinamu yePlatinam ingu-Ectrode oarlrode, i-scloride yesilivere ye-chloride ireferensi ye-elektrode, kwaye isampulu edityanisiweyo ye-Electrode ye-1cM2. Connect the reference electrode, working electrode and auxiliary electrode in the electrolytic cell with the instrument, as shown in Figures 1 and 2. Before the test, soak the sample in the electrolyte, which is 3.5% NaCl solution.
3. Uhlalutyo lwesiTafile lwe-electrochemical ye-corasings
Umzobo 3 ubonakalisa ijika le-TAFE ye-TAFE kunye ne-Ceramic Ceoricances edityanisiweyo kunye nezongezo ezahlukeneyo ze-nano emva kwe-elektrochemical ye-19H. I-Colosion Voltage, i-corrosion yangoku kunye nedatha yokuvavanya umbane efunyenwe kwi-elektroniki yovavanyo lwe-electroOchemical baboniswa kwiTheyibhile 1.
Ngenisa
Xa uxinzelelo lwangoku lwangoku luhlala luncinci kwaye ukuchasana nokuchasana nokuchasana nokuchasana nokuchasana nokuchasa kwe-comboion kungcono. Ingabonwa kumzobo 3 kunye netafile 1 ukuba ixesha le-corrosion yi-19h, i-volsion ye-corrosion ye-matrix ye-matrix ye-matrix ye-matrix ye-matrix ye-matrix ikwayeyona nto inkulu, efikelela kwi-2890 A / cm2. Xa idityaniswe ne-Ilamina yeCemina yeCemina eMfula, ukuxinana kwe-colosion yangoku yehlile ukuya kwi-78% kunye ne-PE I-22.01%. Ibonisa ukuba i-ceramic cation idlala indima engcono yokukhusela kwaye inokuphucula ukumelana nokunganyangeki kwe-elektrolyte.
Xa i-0,2% ye-MWN-Cooh-SDBS okanye i-0.2% igraphene yongezwa kwi-conring, ukungcungcutheka kwangoku ukungcungcutheka kwehla, kwaye i-Porrosion yenyuko yaye yaphucuka, kunye ne-40.10% ngokwahlukeneyo. Xa umphezulu odityaniswe nge-0.2% ye-MWN-Coh-SDBS kunye ne-0.2% igrafune ixube i-Aluminii i-Aluminii i-Alumina incitshisiwe kwi-2.,890 × 10-6 × 1-6 a / cm2, ukuchasana okuphezulu Ixabiso, linyuke ukusuka kwi-11388 ω ukuya kwi-28079 ω, kwaye i-Peign i-caries inokufikelela kwi-46.85%. Ibonisa ukuba imveliso ekujoliswe kuyo ilungele ukunganyangeki kwengqondo elungileyo, kwaye isiphumo sotywala sekharbon nanobs kunye nediokhoyini inokuphucula ukumelana nokunganyangeki kwe-ceramic.
I-4. Isiphumo sokukhulisa ixesha lokudibana
Ukwenzela ukuphinda ujonge ukunyangwa kokungakhathali kokukhathazeka, ukuthathela ingqalelo impembelelo yexesha lokuntywila kwi-elektrolyte ngexesha lovavanyo, njengoko kubonisiwe kumzobo 4.
Ngenisa
Kwinqanaba lokuqala lokuntywila (i-10 h), ngenxa yokuxinana okuhle kunye nolwakhiwo lokudibana, i-electrolyte kunzima ukuntywila kwi-COADS. Ngeli xesha, i-ceramic ibonisa ukumelana okuphezulu. Emva kokungafunwa lixesha, ukumelana kuncipha kakhulu, kuba ngokuhamba kwexesha, ngokuthe ngcembe i-electrolyte iyenza ijelo le-porrosion ngenxa ye-poursex kwaye ingene kwi-matrix, ekhokelela ekunciphiseni kwe ukuthoka.
Kwinqanaba lesibini, xa iimveliso ze-corrosion inyuselwa kwixabiso elithile, ukwahluka kuyavalwa kwaye i-gap ivaliwe ngokuthe ngcembe. Kwangelo xesha, xa i-electrolyte ingene kwi-Windes ye-Bround ye-BOURTER DEARE / Matrix, iimolekyuli zamanzi ziya kusabela kwi-therix yefilimu kwi-Oneaties ye-Onayisi, ethi iphakamise Ukungena kwe-electrolyte kwi-matrix kwaye kunyusa ixabiso lokuchasana. Xa i-matrix yensimbi engenanto ye-actrochemically ye-elektroniki ifakwe, uninzi lwexabiso le-scocicalty luveliswa ezantsi kwe-electrolyte. Isisombululo se-electrolytic asitshintshanga umbala xa sikhankanya isampulu edityanisiweyo, enokuthi ibonakalise ubukho bendlela yokuphendula yekhemikhali engentla.
Ngenxa yexesha elifutshane elinzima kunye nezinto ezinkulu zempembelelo zangaphandle, ukuze zifumane ubudlelwane obuchanekileyo be-elektrochemical parameter, ijika le-TAFE ye-19 h no-195 h ziyahlalutywa. Ukuxinana kobuso bobuso Ixabiso elincinci kwaye ixabiso lokuchasana likhulu. Ixabiso lokuphiliswa kwe-ceboramic caring natofubs kunye ne-raides enesidiliya se-carbon natpotis natoftis natoftistic natofgististic natoffic kunye nedigri eyomeleleyo iphucula ukumelana nokunganyangeki kwento.
Ngokwanda kwexesha lokuntywila (19.5 h), ukuxhathisa konyuso olungenanto, ebonisa ukuba likwinqanaba lesibini le-corrosion kunye nelila ifilimu ye-ox axide iveliswa kumphezulu womhlaba. Ngokufanayo, ngokunyuka kwexesha, ukuxhathisa kwe-ceramica ecocekileyo ye-ceramine kukwanda, ebonisa ukuba ngeli xesha, nangona kukho isimo sengqondo sokuhamba kwe-ceramic, i-matrix ingene kwifilimu ye-oxide ngempendulo yemichiza.
Xa kuthelekiswa ne-Aluminii Doing ene-0.2% ye-MWN-combs, i-Alumb iqukethe i-0.2% ye-Alumb-Sdbs kunye ne-Alumb-Sdbs kunye ne-Alumb-Sdbs kunye nokunyuka kwexesha nge-22.94%, 25.60% kunye ne-9.61% ngokwahlukeneyo, ebonisa ukuba i-electrolyte ayikhange ingene KwiNtlalothi phakathi kokudibana kunye nenqanaba elithi ngeli xesha, kungenxa yokuba ulwakhiwo lwekharbon nanobs kunye ne-raphenes ephantsi ye-elektrolyte, ngaloo ndlela kukhusela iMatrix. Iziphumo ezilinganayo zezi zimbini ziqinisekisiwe ngakumbi. Ukuphamba ezinezixhobo ezimbini zeNanos zinengxaki yokunganyangeki.
Ngejikajika le-TAFEW kunye nejikajika lexabiso lokuxabisa umbane, kufunyanwa ukuba i-Alumina Ceramic iqengqele i-Graine, i-carbon natbubs kunye nomxube wazo unokuphucula i-corrosion Ukuxhathisa kokukhathazeka kwe-ceramic. Ukwenzela ukuqhubeka nokuhlolisisa isiphumo se-Nano yongeza kwi-Corosion yokunganyangeki, i-microphology ye-microphology ye-morpholon yeCotional emva kokuba igcinwe.
Ngenisa
Umzobo 5 (A1, A2, B1) ibonisa i-morphology yomphezulu we-304 yentsimbi engenasitayile ne-Alumina i-Alumina Ceramics kwi-Suminasion eyahlukileyo emva kokukhula. Umzobo 5 (A2) ubonakalisa ukuba umphezulu emva kokuba ulusu lube rhabaxa. Kwindawo engenanto ye-sure, iqela elikhulu le-colosion livele kumphezulu emva kokuntywiliselwa kwi-electrolyte, ebonisa ukuba ukuxhathisa i-corrosix ye-matrix ihlwempuzekile kwaye i-electrolyte ilula ukungena kwimatrix. Kwindlela ecocekileyo ye-Alummina Ceminance, njengoko kubonisiwe kumzobo 5 (B2), nangona iindlela ze-porosion ze-porosion ziveliswa emva kokufumana i-corrosion ye-cerasical bearamic, echaza isizathu se Ukuphuculwa ngokukuko kokunyanzeliswa kwe-Alomina Cemiramic Cearing.
Ngenisa
I-morphology ye-morpholog ye-MWNT-Coh-SDBS, iingubo eziqukethe i-0.2% yerakhma kunye neengubo eziqukethe i-0.2% ye-MWN-combs kunye ne-Graphene ye-MWN. Ingabonwa ukuba iingubo ezimbini zediliya zinemidiliya yesi-6 (B2 kunye ne-C2) zinolwakhiwo lweflethi, ukubopha phakathi kwamasuntswana aqingqiweyo, kwaye amasuntswana athambileyo asongelwe ngokuqinileyo ngokuthambekileyo. Nangona umphezulu wakhuliswa yi-electrolyte, amajelo angaphantsi komhlaba kwenziwa. Emva kokungasebenzi, umphezulu odadayo uxinekile kwaye zimbalwa izinto ezinesiphene. Ngomzobo 6 (A1, A2), ngenxa yeempawu ze-MWN-Cooh-SDBs, i-COAGS ngaphambi kokuba i-comrosion yisakhiwo esingafaniyo nesisasazi esisasazwayo. Emva kokungasebenzi, iipores zenxalenye yangempela zimncinci kwaye zide, kwaye ijelo linganzulu. Xa kuthelekiswa nomfanekiso 6 (B2, C2), ulwakhiwo luneziphene ngakumbi, ezihambelana nokusasazwa kwexabiso lokuphatha okufunyenwe kuvavanyo lwe-electrochemical. Ibonisa ukuba i-Alumina Ceminas ifumana idiliya enesidima, ngakumbi umxube weGraphene kunye ne-carbon natutube, inesigqibo sokunganyangeki. Kungenxa yokuba ulwakhiwo lwekharbon natutube naseGraine kunokubathintela ngokufanelekileyo ukungafani nokukhusela iMatrix.
5. Ingxoxo kunye nesishwankathelo
Ngovavanyo lokunganyangeki kwe-corrosion natostives kunye ne-raphenes kwi-Aluminic Cemimic Ceaming kunye nohlalutyo lwezinto eziphantsi kolawulo lomphezulu, izigqibo ezilandelayo:
. I-CM2, iMeko yoMbane inyuswa ukusuka kwi-11388 ω ukuya kwi-28079 ω, kunye ne-corrosion Ukuxhathisa ukusebenza kweyona nto inkulu, i-46.85%. Xa kuthelekiswa ne-cemina enyulu ye-ceramic caic, indawo yokudlala ene-eraphene kunye ne-carbon nanobs inomchasi ongcono kakhulu.
. Ukugxininiswa kombane kuqala kuyancipha kwaye emva koko unyuke, kwaye ukuxhathisa i-corrosion ye-Alummina ecocekileyo ye-ceminaramic ihlwempu. Isakhiwo kunye nolungiso lweekhabhoni zekharbon nanobis kunye ne-raphene ivinjelwe ukungena ezantsi kwe-electrolyte. Xa imanzi ngo-1935 h, intlawulo yombane ye-Deance enezixhobo zeNano inciphile ngama-22.94%, i-9.61% ngokwahlukeneyo, kwaye ukunyangwa kokungakhathali kwakukuhle.
I-6. Indlela yempembelelo yokunganyangeki koxinzelelo
Ngejikajika le-TAFEW kunye nejikajika lexabiso lokuxabisa umbane, kufunyanwa ukuba i-Alumina Ceramic iqengqele i-Graine, i-carbon natbubs kunye nomxube wazo unokuphucula i-corrosion Ukuxhathisa kokukhathazeka kwe-ceramic. Ukwenzela ukuqhubeka nokuhlolisisa isiphumo se-Nano yongeza kwi-Corosion yokunganyangeki, i-microphology ye-microphology ye-morpholon yeCotional emva kokuba igcinwe.
Umzobo 5 (A1, A2, B1) ibonisa i-morphology yomphezulu we-304 yentsimbi engenasitayile ne-Alumina i-Alumina Ceramics kwi-Suminasion eyahlukileyo emva kokukhula. Umzobo 5 (A2) ubonakalisa ukuba umphezulu emva kokuba ulusu lube rhabaxa. Kwindawo engenanto ye-sure, iqela elikhulu le-colosion livele kumphezulu emva kokuntywiliselwa kwi-electrolyte, ebonisa ukuba ukuxhathisa i-corrosix ye-matrix ihlwempuzekile kwaye i-electrolyte ilula ukungena kwimatrix. Kwindlela ecocekileyo ye-Alummina Ceminance, njengoko kubonisiwe kumzobo 5 (B2), nangona iindlela ze-porosion ze-porosion ziveliswa emva kokufumana i-corrosion ye-cerasical bearamic, echaza isizathu se Ukuphuculwa ngokukuko kokunyanzeliswa kwe-Alomina Cemiramic Cearing.
I-morphology ye-morpholog ye-MWNT-Coh-SDBS, iingubo eziqukethe i-0.2% yerakhma kunye neengubo eziqukethe i-0.2% ye-MWN-combs kunye ne-Graphene ye-MWN. Ingabonwa ukuba iingubo ezimbini zediliya zinemidiliya yesi-6 (B2 kunye ne-C2) zinolwakhiwo lweflethi, ukubopha phakathi kwamasuntswana aqingqiweyo, kwaye amasuntswana athambileyo asongelwe ngokuqinileyo ngokuthambekileyo. Nangona umphezulu wakhuliswa yi-electrolyte, amajelo angaphantsi komhlaba kwenziwa. Emva kokungasebenzi, umphezulu odadayo uxinekile kwaye zimbalwa izinto ezinesiphene. Ngomzobo 6 (A1, A2), ngenxa yeempawu ze-MWN-Cooh-SDBs, i-COAGS ngaphambi kokuba i-comrosion yisakhiwo esingafaniyo nesisasazi esisasazwayo. Emva kokungasebenzi, iipores zenxalenye yangempela zimncinci kwaye zide, kwaye ijelo linganzulu. Xa kuthelekiswa nomfanekiso 6 (B2, C2), ulwakhiwo luneziphene ngakumbi, ezihambelana nokusasazwa kwexabiso lokuphatha okufunyenwe kuvavanyo lwe-electrochemical. Ibonisa ukuba i-Alumina Ceminas ifumana idiliya enesidima, ngakumbi umxube weGraphene kunye ne-carbon natutube, inesigqibo sokunganyangeki. Kungenxa yokuba ulwakhiwo lwekharbon natutube naseGraine kunokubathintela ngokufanelekileyo ukungafani nokukhusela iMatrix.
7. Ingxoxo kunye nesishwankathelo
Ngovavanyo lokunganyangeki kwe-corrosion natostives kunye ne-raphenes kwi-Aluminic Cemimic Ceaming kunye nohlalutyo lwezinto eziphantsi kolawulo lomphezulu, izigqibo ezilandelayo:
. I-CM2, iMeko yoMbane inyuswa ukusuka kwi-11388 ω ukuya kwi-28079 ω, kunye ne-corrosion Ukuxhathisa ukusebenza kweyona nto inkulu, i-46.85%. Xa kuthelekiswa ne-cemina enyulu ye-ceramic caic, indawo yokudlala ene-eraphene kunye ne-carbon nanobs inomchasi ongcono kakhulu.
. Ukugxininiswa kombane kuqala kuyancipha kwaye emva koko unyuke, kwaye ukuxhathisa i-corrosion ye-Alummina ecocekileyo ye-ceminaramic ihlwempu. Isakhiwo kunye nolungiso lweekhabhoni zekharbon nanobis kunye ne-raphene ivinjelwe ukungena ezantsi kwe-electrolyte. Xa imanzi ngo-1935 h, intlawulo yombane ye-Deance enezixhobo zeNano inciphile ngama-22.94%, i-9.61% ngokwahlukeneyo, kwaye ukunyangwa kokungakhathali kwakukuhle.
. Emva kokuvela, iipores zenxalenye yokuqala zimxinwa kwaye zide, kwaye amajelo angaba nzulu. Ukudibana okunegraphene enesithambisi sinesakhiwo esiflethi ngaphambi kokuba i-corrosion, ukudityaniswa phakathi kwamasuntswana kwi-commaight isondele, kwaye amasuntswana ahlanganisiweyo asongelwe ngokuqinileyo ngokutyibilikiswa. Nangona umphezulu ophakanyiswe yi-electrolyte emva koko usulelo, zimbalwa iindlela zokushishina kunye nesakhiwo sisamgibisela. Ubume bekharbon nanobi kunye ne-raphene kunokuba buthintele ngokufanelekileyo ukusasazeka kwe-rack kwaye kukhusela iMatrix.
IXESHA LOKUQALA: UMar-09-2022