Izindawo Zokusebenzisa I-Thermal Spray Technology

2022-11-29 Share

Izindawo Zokusebenzisa I-Thermal Spray Technology

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Eminyakeni yamuva nje, ubuchwepheshe besifutho esishisayo buye bavela ezinqubweni ezingahluziwe obekunzima ukuzilawula, zaba ngamathuluzi anembayo ngokuya lapho inqubo yakhelwa khona ukuze kucatshangelwe izici zakho kokubili okufakiwe kanye nama-coatings adingekayo.

Ubuchwepheshe be-Thermal spray buthuthuka ngokuqhubekayo futhi izicelo ezintsha ziyabonakala zezinto zokumboza ezifuthwe ngokushisa kanye nezakhiwo. Ake sifunde izindawo zokusebenza eziyinhloko zobuchwepheshe besifutho esishisayo.


1. Indiza

Ubuchwepheshe be-thermal spraying busetshenziswa kakhulu emkhakheni wezindiza, njengokufafaza i-thermal barrier coatings (ungqimba olubophayo + ungqimba lwe-ceramic surface) kuma-blades enjini yendiza. Ukufafaza kwe-Plasma, izendlalelo ezibophayo ze-supersonic flame spraying, ezifana ne-NiCoCrAlY ne-CoNiCrAlY, nongqimba olungaphezulu lwe-ceramic, olufana no-8% Y0-ZrO(YSZ) oxide (oqukethe i-earth oxide engavamile) ukuguqulwa kwe-doping YSZ, okufana ne-TiO+YSZ, YSZ+ A10 noma I-lanthanum zirconate-based oxides ezisekelwe emhlabeni ezingavamile njenge-La(ZoCe)024 nazo ziye zacutshungulwa njengezimbobo zokuthiya ezishisayo emagumbini omlilo enjini ye-rocket5. I-rotor shaft eyinhloko yezindiza ezinophephela emhlane zemisebenzi yezempi ezindaweni eziwugwadule iguguleka kalula yisihlabathi. Ukusetshenziswa kwe-HVOF nokufutha ngeziqhumane kwe-WC12Co kungathuthukisa ukumelana kwayo nokugqokwa. I-HVOF ifutha i-Al-SiC enamathela ku-magnesium alloy substrate yendiza, engathuthukisa ukumelana nokugqokwa.


2. Imboni Yensimbi Nowoyela

Imboni yensimbi nensimbi iwumkhakha obalulekile wokufakwa kwesifutho esishisayo, futhi iyimboni yesibili ngobukhulu eShayina ngemuva kokufakwa kwesifutho esishisayo embonini yezindiza. Ngo-2009, i-crude steel output yaseChina yabalelwa ku-47% wensimbi engahluziwe ephuma emhlabeni. Kuyizwe lensimbi langempela, kodwa aliyona indlu yamandla yensimbi. Ezinye izinsimbi ezisezingeni eliphezulu zisadinga ukungeniswa emazweni angaphandle ngobuningi. Esinye sezizathu ezibaluleke kakhulu ukuthi isifutho esishisayo saseShayina sisetshenziswa kancane embonini yensimbi. Okufana ne-blast furnace tuyere, i-high-temperature annealing furnace roller, i-hot roller plate conveying roller, i-roller yokusekela, i-straightening roller, ukuphakamisa ama-galvanized roller, i-roller ecwilayo, njll. Ukusetshenziswa kwesifutho esishisayo kulezi zingxenye kungathuthukisa kakhulu ukusebenza kahle komsebenzi futhi nciphisa izindleko, Thuthukisa ikhwalithi yemikhiqizo, futhi izinzuzo zibalulekile 19-0.

Engqungqutheleni ye-ITSC ka-2011, uchwepheshe waseJapan uNamba waphenya amalungelo obunikazi ahlobene nokusetshenziswa kokufuthwa okushisayo embonini yensimbi emhlabeni wonke. Imiphumela yocwaningo ikhombisa ukuthi kusukela ngo-1990 kuya ku-2009, amalungelo obunikazi aseJapan abalelwa ku-39%, amalungelo obunikazi ase-US abalelwa ku-22%, amalungelo obunikazi aseYurophu abalelwa ku-17%, amalungelo obunikazi baseShayina abalelwa ku-9%, amalungelo obunikazi aseKorea angu-6%, amalungelo obunikazi aseRussia angu-3. %, amalungelo obunikazi ase-Brazilian enza u-3%, futhi amalungelo obunikazi aseNdiya athatha u-1%. Uma kuqhathaniswa namazwe athuthukile njengeJapane, iYurophu, ne-United States, ukusetshenziswa kokufuthwa okushisayo embonini yensimbi eChina kuncane, futhi indawo yokuthuthukiswa inkulu.

Imibiko enemininingwane ehlobene nomhlangano iphinde yahlanganisa izimpushana ze-NiCrAlY kanye ne-YO njengezinto zokusetshenziswa, izimpushana ze-NiCrAlY-Y0 zesifutho zalungiswa nge-agglomeration sintering nezindlela zokuxutshwa, futhi okokunamathela kulungiswe isibhamu sesifutho se-HVOFDJ2700. Lingisa i-anti-buildup of furnace rolls embonini yensimbi. Imiphumela yocwaningo ikhombisa ukuthi ukumbozwa kwempushana okulungiselelwe indlela ye-agglomeration sintering kunokumelana okuhle kakhulu ne-anti-manganese oxide ukwakha, kodwa ukumelana kabi nokwakhiwa kwe-iron oxide. Izindwangu ezilungiselelwe kusuka kumpushana oxubile.

Ubuchwepheshe bokufafaza okushisayo busetshenziswa kakhulu kugesi, ipayipi likawoyela, kanye ne-valve yesango endaweni yokufafaza i-anti-corrosion kanye nezingubo ezingagqoki, eziningi zazo okuyi-HVOF yokufafaza i-WC10Co4Cr.

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3. Amandla amasha, amathuluzi amasha, nezinjini zegesi

Ama-solid fuel cell (SOFCs) manje aklanywe ngendlela yamapuleti ayisicaba namapuleti amancane, okuhlanganisa ama-anode, ama-electrolyte, ama-cathodes,kanye nezingqimba zokuzivikela. Njengamanje, ukwakhiwa kwezinto kanye nobuchwepheshe bokukhiqiza bamaseli aqinile kaphethiloli sekuvuthiwe, futhi inkinga enkulu inkinga yokulungiselela. Ubuchwepheshe bokufafaza okushisayo (ukufafaza kwe-plasma enengcindezi ephansi, ukufuthwa kwe-vacuum plasma) sekube ubuchwepheshe obuthandwa kakhulu. Ukusetshenziswa okuyimpumelelo kokufuthwa okushisayo ku-SOFC wukusetshenziswa kwakamuva kobuchwepheshe bokufafaza okushisayo kumandla amasha, futhi kuphinde kukhuthaze ukuthuthukiswa kwezinto ezihlobene zokufafaza. Isibonelo, i-plasma efuthwe i-LaSrMnO (LSM) impahla yokufutha, inkampani yaseJalimane i-HC.Starck isivele iqalile ukukhiqizwa nokuthengiswa kwalokhu kwaziswa nezinto ezihlobene. Abacwaningi baphinde basebenzisa isifutho se-plasma yesigaba se-liquid ukuze balungiselele i-electrode material LiFePO yamabhethri e-lithium-ion. imibiko yocwaningo ehlobene.

Ukuthuthukiswa kobuchwepheshe bokufafaza okushisayo akunakuhlukaniswa nokuvuselelwa kwemishini. Yonke ingqungquthela yamazwe ngamazwe yokufafaza okushisayo izoba nemibiko mayelana nemishini emisha ehlobene. Ngenxa yokushisa kwaso okuphansi kanye nomklamo wesivinini esikhulu, isibhamu se-K2 sokufafaza kwe-GTV HVOF singafutha izimbotshana zensimbi ezifana nama-Cu coatings, kanti okuqukethwe komoya-mpilo ku-0.04% kuphela, okufaniswa nokufuthwa okubandayo. Ukusebenzisa uhlelo lokufafaza lwe-HVOF olunengcindezi ephezulu, ingcindezi yegumbi elivuthayo ingafinyelela ku-1 ~ 3MPa, futhi ukugeleza kwelangabi ukushisa okuphansi kanye nesivinini esikhulu, ukufafaza i-316L ye-stainless steel powder, ukusebenza kahle kwe-deposition kungafinyelela ku-90%.

Ama-blades e-industrial turbine blade aseqalile ukusebenzisa i-plasma-sprayed thermal barrier coatings, njenge-YSZ, LazZrzO, SmzZrzO, GdzZr20 coating systems, ezisetshenziswa kakhulu phesheya futhi okwamanje ziyinkundla yocwaningo edumile e-China.


4. Ukumelana nokugqoka kwemishini

Ubuchwepheshe bokufafaza okushisayo belokhu buyingxenye ebalulekile yazo zonke izingqungquthela zamazwe ngamazwe zokufafaza okushisayo emkhakheni wokumelana nokugqokwa ngoba cishe zonke izindawo zokusebenza ziyaguga, futhi ukuqinisa nokulungiswa kwendawo kuyimikhuba yesikhathi esizayo yentuthuko yezobuchwepheshe, ikakhulukazi ngobuchwepheshe. anhlobonhlobo izinhlelo zokusebenza embonini engagugi futhi iphinde ikhuthaze ukuthuthukiswa kwezinto ezisetshenziswayo ezimelana nezifutho ezishisayo. Izembatho ezisetshenziswa kakhulu ezivikela ukugqokwa yilezi: ukushisela isifutho (ukufafaza amalangabi + ukuncibilika) ama-alloys e-NiCrBSi, nawo asetshenziswa kakhulu futhi afundelwa emkhakheni ongagugi, njengokufafaza kwe-HVOF nge-FeCrNBC coating, i-arc yokufafaza i-NiCrBSi ngemva kokucisha kabusha Ucwaningo. ku-microstructure kanye nokumelana nokugqoka, njll.; Ukufafaza kwe-HVOF, ukufutha okubandayo okusekelwe ku-tungsten carbide, kanye nezingubo ezisekelwe ku-chromium carbide yizona ezisetshenziswa kakhulu futhi zacwaningwa emkhakheni wokumelana nokugqokwa; Imboni yaseShayina esezingeni eliphezulu izimpushana zesifutho ezisuselwa ku-tungsten carbide zithembele ekuthengisweni kwamanye amazwe, njengendiza Ukufafaza uhlaka oluwayo, i-roller ecwilayo, i-roller efaka uthayela, njll. Ngokuthuthukiswa kokufutha okubandayo nobuchwepheshe bokufutha obufudumele ukuze kulungiswe ukunamathela okusekelwe ku-tungsten carbide, kukhona nezidingo ezintsha ze-tungsten carbide-based spraying powder, njengemfuneko yosayizi wezinhlayiyana eziyimpushana ingu -20um+5um.


5. I-Nanostructures nezinto ezintsha

Izembatho ezingahleliwe, izimpushana, nezinto ezintsha bekugxilwe kuzo ocwaningweni lwamazwe ngamazwe eminyakeni edlule. I-Nanostructured WC12Co coating ilungiswa ngokufafaza kwe-HVOF. Usayizi wezinhlayiyana zempushana efuthwe ngu-10μm+2μm, kanti usayizi wokusanhlamvu we-WC ungu-400nm. Inkampani yaseJalimane i-DUUM inokukhiqiza okuthuthukile. U-Me lenvk wafunda i-WC10Co4Cr powder elungiselelwe ngokusebenzisa i-tungsten carbide enobukhulu obuhlukahlukene bokusanhlamvu njengezinto zokusetshenziswa, njengosayizi wokusanhlamvu we-WC>12um (isakhiwo esivamile), usayizi wokusanhlamvu we-WC 0.2~0.4um (isakhiwo sokusanhlamvu esihle), usayizi wokusanhlamvu we-WC ~0.2um (isakhiwo sokusanhlamvu esihle kakhulu); Usayizi wokusanhlamvu we-WC

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12um (isakhiwo esivamile), usayizi wokusanhlamvu we-WC 0.2~0.4um (isakhiwo sokusanhlamvu esihle), usayizi wokusanhlamvu we-WC ~0.2um (isakhiwo sokusanhlamvu esihle kakhulu); Usayizi wokusanhlamvu we-WC

6. Ukuphrinta kwe-biomedical nephepha

Ubuchwepheshe besifutho esishisayo busetshenziswa kabanzi embonini yezokwelapha, njenge-vacuum plasma, i-HVOF efuthwe i-Ti, i-hydroxyapatite, kanye nezingubo ze-hydroxyapatite + Ti ezisetshenziswa embonini yezokwelapha (amazinyo, amathambo). Ukufafaza okuqhumayo kwe-TiO2-Ag, njengokufakwa kumakhoyili e-Cu yama-air conditioner, kungavimbela ukukhula kwamagciwane futhi kugcine kuhlanzekile.


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