IiNdawo zokuSebenza zeTekhnoloji ye-Thermal Spray

Kwiminyaka yakutshanje, ubugcisa bokutshiza ngokushushu buye bavela kwiinkqubo ezikrwada ebekunzima ukuzilawula, zaya kutsho kwizixhobo ezichanekileyo apho inkqubo ilungiselelwe ukuthathela ingqalelo iimpawu zemathiriyeli ediphozithiweyo kunye nezaleko ezifunekayo.

Itekhnoloji ye-Thermal yokutshiza iyaqhubeka nokuphuhlisa kwaye izicelo ezintsha zibonwa kwizinto zokugquma ezitshizwe nge-thermal kunye nezakhiwo. Masifunde iindawo eziphambili zesicelo seteknoloji yokutshiza i-thermal.

1. Inqwelomoya

Itekhnoloji yokutshiza i-Thermal isetyenziswa kakhulu kwintsimi ye-aviation, njengokutshiza i-thermal barrier coatings (i-bonding layer + i-ceramic surface layer) kwi-injini ye-aircraft blades. Ukutshiza iPlasma, idangatye eligqithisayo lokutshiza iileya ezibophayo, ezifana ne-NiCoCrAlY kunye ne-CoNiCrAlY, kunye ne-ceramic surface layer, efana ne-8% Y0-ZrO(YSZ) oxide (equlethe i-oksidi yomhlaba enqabileyo) ukuguqulwa kwe-doping YSZ, okufana ne-TiO+YSZ, YSZ+ A10 okanye umhlaba onqabileyo we-lanthanum zirconate-based oxides ezifana ne-La(ZoCe)024 nazo ziye zaphononongwa njengezithintelo ze-thermal kumagumbi okutsha e-rocket5. I-rotor shaft ephambili yeehelikopta kwimisebenzi yemikhosi kwiindawo zasentlango ichithwa lula yisanti. Ukusetyenziswa kwe-HVOF kunye nokutshiza okuqhumayo kwe-WC12Co kunokuphucula ukuxhathisa ukunxiba. I-HVOF itshiza i-Al-SiC yokwambathisa kwi-substrate ye-magnesium alloy ye-aviation, enokuphucula ukuxhathisa ukunxiba.

2. Ishishini leNsimbi kunye neOyile

Ishishini lentsimbi kunye nentsimbi liyintsimi ebalulekileyo yokusetyenziswa kwe-thermal spray, kwaye lishishini lesibini ngobukhulu e-China emva kokusetyenziswa kwe-thermal spray kwishishini le-aviation. Ngo-2009, imveliso yentsimbi ekrwada yaseTshayina yabalelwa kuma-47% emveliso yentsimbi ekrwada yehlabathi. Lilizwe lentsimbi yokwenyani, kodwa ayisiyondlu yamandla yentsimbi. Ezinye iintsimbi ezikumgangatho ophezulu kusafuneka zingeniswe kumazwe angaphandle ngobuninzi. Esinye sezizathu ezibaluleke ngakumbi kukuba ukutshiza kwe-thermal yaseChina kusetyenziswa kancinci kwishishini lentsimbi. Okufana ne-blast furnace tuyere, i-high-temperature annealing furnace roller, i-hot roller plate ehambisa i-roller, i-roller yenkxaso, i-roller yokuqondisa, i-galvanized ukuphakamisa i-roller, i-roller ecwilayo, njl njl. ukunciphisa iindleko, Ukuphucula umgangatho weemveliso, kunye neenzuzo zibalulekile 19-0.

Kwinkomfa ye-ITSC ye-2011, ingcali yaseJapan uNamba yaphanda amalungelo abenzi anxulumene nokusetyenziswa kwe-thermal spraying kushishino lwentsimbi emhlabeni jikelele. Iziphumo zophando zibonisa ukuba ukususela ngo-1990 ukuya ku-2009, amalungelo awodwa omenzi wechiza ayebalelwa kwi-39%, amalungelo awodwa abenzi bamachiza e-US abalelwa kwi-22%, amalungelo awodwa aseYurophu ayebalelwa kwi-17%, amalungelo awodwa omenzi waseTshayina athatha i-9%, i-patent yaseKorea i-6%, i-Russian patent 3. %, amalungelo awodwa omenzi wechiza aseBrazil athatha i-3%, kunye ne-Indian patents yenza i-1%. Xa kuthelekiswa namazwe aphuhlileyo afana neJapan, iYurophu kunye ne-United States, ukusetyenziswa kwe-thermal spraying kwishishini lentsimbi e-China kuncinci, kwaye indawo yophuhliso inkulu.

Iingxelo ezineenkcukacha ezinxulumene nentlanganiso nazo zibandakanya i-NiCrAlY kunye ne-YO powders njengezinto eziluhlaza, i-NiCrAlY-Y0 i-powders yokutshiza yalungiswa nge-agglomeration sintering kunye neendlela zokuxuba, kunye neengubo zalungiswa ngumpu wokutshiza we-HVOFDJ2700. Ukulinganisa i-anti-buildup ye-furnace rolls kwishishini lentsimbi. Iziphumo zophando zibonisa ukuba umgubo wokugquma olungiselelwe yi-agglomeration sintering method inokumelana ne-anti-manganese oxide build-up, kodwa ukunganyangeki kakuhle kwi-iron oxide build-up. Iingubo ezilungiselelwe kwiipowder ezixutywe.

Itekhnoloji yokutshiza iThermal isetyenziswa kakhulu kwirhasi, kwimibhobho ye-oyile, nakwivalvu yesango kumphezulu wokutshiza i-anti-corrosion kunye ne-resistant-resistant coatings, uninzi lwayo i-HVOF yokutshiza i-WC10Co4Cr.

3. Amandla amatsha, izixhobo ezitsha, nee turbines zerhasi

Iiseli zamafutha aqinileyo (SOFCs) ngoku ziyilwe kwicala leepleyiti ezisicaba kunye neepleyiti ezincinci, kubandakanya i-anode, i-electrolytes, i-cathodes,kunye nemigangatho yokukhusela. Okwangoku, ukuyila kwezinto kunye nokuveliswa kweteknoloji yeeseli eziqinileyo ze-fuel sele zikhulile, kwaye ingxaki enkulu yingxaki yokulungiselela. Iteknoloji yokutshiza i-Thermal (i-low-pressure plasma spraying, i-vacuum plasma yokutshiza) iye yaba yiteknoloji eyaziwa kakhulu. Ukusetyenziswa okuyimpumelelo kokutshiza nge-thermal kwi-SOFC sisicelo samva nje setekhnoloji yokutshiza nge-thermal kumandla amatsha, kwaye ikwakhuthaza uphuhliso lwezixhobo zokutshiza ezinxulumeneyo. Ngokomzekelo, i-plasma yokutshiza i-LaSrMnO (LSM) impahla yokutshiza, inkampani yaseJamani iHC.Starck sele iqalile ukuveliswa kunye nokuthengiswa kwesi sixhobo kunye nezinto ezinxulumene nazo. Abaphandi baphinde basebenzisa i-liquid-phase plasma yokutshiza ukulungisa izinto ze-electrode LiFePO kwiibhetri ze-lithium-ion. iingxelo zophando ezinxulumeneyo.

Ukuphuhliswa kweteknoloji yokutshiza i-thermal ayinakuhlukaniswa nokuhlaziywa kwezixhobo. Inkomfa nganye yezizwe ngezizwe yokutshiza nge-thermal iya kuba neengxelo malunga nezixhobo ezitsha ezinxulumeneyo. Ngenxa yobushushu obuphantsi kunye noyilo lwesantya esiphezulu, umpu wokutshiza we-K2 we-GTV HVOF wokutshiza unokutshiza iingubo zentsimbi ezifana ne-Cu coatings, kwaye umxholo we-oksijini we-coating yi-0.04% kuphela, efaniswa nokutshiza okubandayo. Ukusebenzisa inkqubo yokutshiza ye-HVOF ephezulu, uxinzelelo lwegumbi lokutsha lunokufikelela kwi-1 ~ 3MPa, kwaye ukuhamba kwedangatye kubushushu obuphantsi kunye nesantya esiphezulu, ukutshiza i-316L ye-powder stainless steel, ukusebenza kakuhle kwe-deposition kunokufikelela kwi-90%.

Iintsimbi ze-injini yegesi ye-industrial sele iqalile ukusebenzisa i-plasma-sprayed thermal barrier coatings, njenge-YSZ, i-LazZrzO, i-SmzZrzO, i-GdzZr20 iinkqubo zokugquma, ezisetyenziswa ngokubanzi kumazwe angaphandle kwaye ngoku ziyintsimi yophando ethandwayo e-China.

4. Ukuxhathisa ukunxiba koomatshini

Itekhnoloji yokutshiza i-Thermal ibisoloko iyinxalenye ebalulekileyo yenkomfa nganye yokutshiza nge-thermal kwintsimi yokunganyangeki ngenxa yokuba phantse zonke iindawo zokusebenzela zigugile kwaye zikrazukile, kwaye ukomelezwa komphezulu kunye nokulungiswa ziindlela ezizayo zophuhliso lwetekhnoloji, ngakumbi ngetekhnoloji. uluhlu olubanzi lwezicelo kwishishini lokunxiba-resistant kwaye ikwakhuthaza uphuhliso lwe-thermal spray ukunxiba-resistant materials. Eyona nto isetyenzisiweyo kakhulu i-resistant-resistant coatings yile: i-welding ye-spray (i-flame spraying + i-remelting) i-alloys ye-NiCrBSi, ekwayeyona isetyenziswa kakhulu kwaye ifundwe kwintsimi yokungagugi, njenge-HVOF yokutshiza i-FeCrNBC yokufakela, i-arc yokutshiza i-NiCrBSi emva kokuhlaziya uphando. kwi-microstructure kunye nokumelana nokunxiba, njl.; Ukutshiza kwe-HVOF, ukutshiza okubandayo kwe-tungsten-based based coatings, kunye neengubo ezisekelwe kwi-chromium carbide zezona zisetyenziswa kakhulu kwaye ziphandwa kwinkalo yokumelana nokunxiba; Ishishini laseTshayina elikwinqanaba eliphezulu le-tungsten carbide-based spray powders lixhomekeke ekuthengisweni kwamanye amazwe, njengenqwelomoya Ukutshiza isakhelo esiwayo, i-roller ecwilayo, i-corrugating roller, njl. kukho kwakhona iimfuno ezintsha ze-tungsten carbide-based spraying powder, ezifana nemfuno yobungakanani besuntswana elingumgubo yi -20um + 5um.

5. I-Nanostructures kunye nezinto ezintsha

Iingubo ezenziwe nge-nanostructured, i-powders, kunye nezixhobo ezintsha ziye zagxila kuphando lwamazwe ngamazwe kwiminyaka. I-Nanostructured WC12Co Coating ilungiswa ngokutshiza kwe-HVOF. Ubungakanani besuntswana lomgubo otshiziweyo ngu -10μm + 2μm, kwaye ubungakanani benkozo yeWC yi-400nm. Inkampani yaseJamani DURUM inemveliso yemveliso. UMe lenvk wafunda umgubo weWC10Co4Cr olungiselelwe ngokusebenzisa itungsten carbide enobungakanani obuziinkozo obahlukeneyo njengemathiriyeli ekrwada, efana nobukhulu beenkozo zeWC>12um (isakhiwo esiqhelekileyo), ubungakanani beenkozo zeWC 0.2 ~ 0.4um (ulwakhiwo olucolekileyo lweenkozo), ubukhulu beenkozo zeWC ~0.2um (ulwakhiwo lweenkozo ezicolekileyo kakhulu); Ubungakanani beenkozo zeWC

12um (isakhiwo esiqhelekileyo), ubungakanani beenkozo zeWC 0.2 ~ 0.4um (ulwakhiwo olucolekileyo lweenkozo), ubukhulu beenkozo zeWC ~0.2um (ulwakhiwo lweenkozo ezicolekileyo kakhulu); Ubungakanani beenkozo zeWC

6. Ukuprintwa kweBiomedical kunye nephepha

Itekhnoloji ye-Thermal yokutshiza isetyenziswa ngokubanzi ngakumbi kwishishini lezonyango, njenge-vacuum plasma, i-HVOF etshizwe iTi, i-hydroxyapatite, kunye ne-hydroxyapatite + Ti yokugquma ezisetyenziswa kushishino lwezonyango (amazinyo, amathambo). Ukutshiza okuqhumayo kwe-TiO2-Ag, okufana ne-deposition kwi-Cu coils ye-air conditioners, inokuthintela ukukhula kwebhaktiriya kwaye izigcine zicocekile.