Mpaghara Ngwa nke Teknụzụ Spray Thermal

N'ime afọ ndị na-adịbeghị anya, teknụzụ ịgba ọkụ na-ekpo ọkụ sitere na usoro crude nke siri ike ịchịkwa, banye na ngwa ngwa na-esiwanye ike ebe a na-ahazi usoro ahụ iji buru n'uche njirimara nke ma ihe nkwụnye ego na mkpuchi achọrọ.

Thermal ịgba technology na-aga n'ihu na-emepe emepe na ọhụrụ ngwa na-hụrụ maka thermally sprayed mkpuchi ihe na owuwu. Ka anyị na-amụta isi ngwa ebe nke thermal spray technology.

1. Ụgbọ elu

A na-eji teknụzụ ịgbasa ọkụ ọkụ n'ọtụtụ ebe n'ọhịa ụgbọ elu, dị ka ịgbanye mkpuchi mkpuchi thermal (bonding oyi akwa + seramiiki elu oyi akwa) na agụba injin ụgbọ elu. Plasma spraying, supersonic ire ọkụ spraying bonding layers, dị ka NiCoCrAlY na CoNiCrAlY, na seramiiki elu oyi akwa, dị ka 8% Y0-ZrO (YSZ) oxide (nwere obere ụwa oxide) doping YSZ mgbanwe, dị ka TiO + YSZ, YSZ+ A10 ma ọ bụ A mụọla obere earth lanthanum zirconate oxides dị ka La(ZoCe)024 dị ka mkpuchi mkpuchi thermal na ụlọ combustion engine rocket5. Isi rotor aro nke helikopta maka ọrụ agha na mpaghara ọzara na-adị mfe site na ájá na-emebi. Ojiji nke HVOF na mgbawa ịgbawa nke WC12Co nwere ike melite eyi nguzogide. HVOF na-efesa mkpuchi Al-SiC na ngwongwo magnesium alloy maka ụgbọ elu, nke nwere ike melite nguzogide eyi.

2. Ụlọ ọrụ igwe na mmanụ

Ụlọ ọrụ ígwè na nchara bụ akụkụ dị mkpa nke ngwa ịgbasa ọkụ, ọ bụkwa ụlọ ọrụ nke abụọ kasị ukwuu na China mgbe ngwa ịgbasa ọkụ na ụlọ ọrụ ụgbọ elu. N'afọ 2009, ihe nrụpụta igwe anaghị agba nchara nke China ruru 47% nke nchara nchara n'ụwa. Ọ bụ obodo nchara nchara n'ezie, mana ọ bụghị ụlọ ike igwe. Ụfọdụ ígwè dị elu ka kwesịrị ibubata n'ọtụtụ buru ibu. Otu n'ime ihe ndị dị mkpa bụ na a na-eji obere ọkụ ọkụ China eme ihe na ụlọ ọrụ ígwè. Dị ka mgbawa ọkụ tuyere, elu-okpomọkụ annealing ọkụ ala, na-ekpo ọkụ rola efere ebu ala, nkwado ala, straightening ala, galvanized ebuli na ala, sinking ala, wdg The ojiji nke thermal ịgba mkpuchi na ndị a components nwere ike ukwuu melite ọrụ arụmọrụ na belata ọnụ ahịa, melite ogo ngwaahịa, na uru dị mkpa 19-0.

Na 2011 ITSC ogbako, onye Japan ọkachamara Namba nyochaa patent ndị metụtara ngwa nke thermal spraying na ígwè ọrụ n'ụwa nile. Nsonaazụ nyocha ahụ gosiri na site na 1990 ruo 2009, patent Japanese ruru 39%, ikike US ruru 22%, patent European ruru 17%, ikike ikike China ruru 9%, patent Korea bụ 6%, ikike ikike Russia nwere 3. %, Ikike ikike Brazil nwere 3%, yana ikike ikike India nwere 1%. E jiri ya tụnyere mba ndị mepere emepe dị ka Japan, Europe, na United States, ntinye nke ịgbasa ọkụ na ụlọ ọrụ ígwè na China dị ntakịrị, na ohere mmepe dị ukwuu.

Akụkọ zuru ezu nke metụtara nzukọ ahụ gụnyekwara ntụ ntụ NiCrAlY na YO dị ka akụrụngwa, NiCrAlY-Y0 spray powders na-akwadebe site agglomeration sintering na ngwakọta ụzọ, na mkpuchi nke HVOFDJ2700 na-edozi egbe. Mee ka ihe mgbochi na-ewu ụlọ ọkụ na-apụta na ụlọ ọrụ nchara. Nsonaazụ nyocha na-egosi na mkpuchi ntụ ntụ nke a kwadebere site na usoro agglomeration sintering nwere ezigbo mgbochi nke manganese oxide na-ewuli elu, mana adịghị mma na-eguzogide ígwè oxide. Ihe mkpuchi a kwadebere site na ntụ ntụ agwakọta.

Thermal spraying technology na-ọtụtụ ebe na gas, mmanụ pipeline, na ọnụ ụzọ ámá valve elu spraying mgbochi corrosion na eyi na-eguzogide mkpuchi, ọtụtụ n'ime ha bụ HVOF spraying WC10Co4Cr mkpuchi.

3. Ike ọhụrụ, akụrụngwa ọhụrụ, na turbin gas

A na-emepụta mkpụrụ ndụ mmanụ siri ike (SOFCs) ugbu a na ntụziaka nke efere dị larịị na efere dị nro, gụnyere anodes, electrolytes, cathodes,na mkpuchi mkpuchi. Ka ọ dị ugbu a, imepụta ihe na teknụzụ mmepụta nke mkpụrụ ndụ mmanụ siri ike etoola, na isi nsogbu bụ nsogbu nkwadebe. Teknụzụ ịgbasa okpomọkụ (nfesa plasma dị ala, ịgbasa plasma na-ekpo ọkụ) aghọwo teknụzụ kachasị ewu ewu. Ngwa ịga nke ọma nke ịgbasa ọkụ na SOFC bụ ngwa kachasị ọhụrụ nke teknụzụ ịgbasa ọkụ na ume ọhụrụ, ma na-akwalitekwa mmepe nke ihe ịgba mmiri metụtara ya. Dịka ọmụmaatụ, plasma na-agbapụta LaSrMnO (LSM), ụlọ ọrụ German HC.Starck amalitelarị mmepụta na ire nke ihe a na ihe ndị metụtara ya. Ndị ọrụ nyocha ahụ jikwa ịgbasa plasma mmiri mmiri iji dozie ihe LiFePO electrode maka batrị lithium-ion. akụkọ nyocha metụtara ya.

Mmepe nke teknụzụ spraying thermal enweghị ikewapụ na mmelite nke akụrụngwa. Ọgbakọ ịgbasa okpomọkụ nke mba ụwa niile ga-enwe akụkọ gbasara akụrụngwa ọhụrụ metụtara ya. N'ihi obere okpomọkụ ya na nhazi ngwa ngwa dị elu, egbe K2 na-agba maka GTV HVOF nwere ike ịgbasa ihe mkpuchi metal dị ka mkpuchi Cu, na ikuku oxygen nke mkpuchi ahụ bụ naanị 0.04%, nke yiri ịgbasa oyi. Iji usoro ịgbasa HVOF dị elu, nrụgide ụlọ combustion nwere ike iru 1 ~ 3MPa, ọkụ ọkụ na-erukwa obere okpomọkụ na ọsọ dị elu, na-efesa ntụ ntụ 316L igwe anaghị agba nchara, arụmọrụ ntinye nwere ike iru 90%.

Igwe ọkụ turbine nke ụlọ ọrụ amalitela iji mkpuchi ihe mgbochi ọkụ na-efesa plasma, dị ka YSZ, LazZrzO, SmzZrzO, GdzZr20 sistemu mkpuchi, nke a na-ejikarị mba ofesi ma bụrụ ebe a na-eme nchọpụta ugbu a na China.

4. Mechanical eyi iguzogide

Thermal spraying technology mgbe niile bụ akụkụ dị mkpa nke ọ bụla mba thermal spraying ogbako na ubi nke eyi iguzogide n'ihi na ihe fọrọ nke nta niile workpiece na-ebupụta na-eyi na dọka, na elu ike na mmezi bụ ọdịnihu ọnọdụ nke nkà na ụzụ mmepe, karịsịa na The technology nwere a. ọtụtụ ngwa dị iche iche na ụlọ ọrụ na-eguzogide iyi ma na-akwalite mmepe nke ihe na-eguzogide ọgwụ na-ekpo ọkụ. Ihe mkpuchi ndị a na-ejikarị eme ihe bụ: ịgbado ọkụ (ọkụ spraying + remelting) NiCrBSi alloys, nke bụkwa nke a na-ejikarị na-amụ na ubi na-eguzogide ọgwụ, dị ka HVOF spraying FeCrNBC mkpuchi, arc spraying NiCrBSi mgbe remelting Research. na microstructure na iyi mgbochi, wdg; HVOF spraying, oyi spraying tungsten carbide nke dabeere na mkpuchi, na chromium carbide mkpuchi mkpuchi bụ nke a na-ejikarị eme ihe na nyocha n'ọhịa nke mgbochi iyi; China si elu-ọgwụgwụ ụlọ ọrụ tungsten carbide dabeere ịgba powders na-adabere na mbubata, dị ka ụgbọ elu Spraying nke na-ada etiti, sinking roller, corrugating roller, wdg Site na mmepe nke oyi spraying na ọkụ spraying technology iji kwadebe tungsten carbide dabeere mkpuchi. E nwekwara ihe ọhụrụ chọrọ maka tungsten carbide dabeere spraying ntụ ntụ, dị ka ntụ ntụ urughuru size chọrọ bụ -20um + 5um.

5. Nanostructures na ihe ọhụrụ

Ihe mkpuchi nanostructured, ntụ ntụ, na ihe ọhụrụ bụ ihe a na-elekwasị anya na nyocha nke mba ụwa kemgbe ọtụtụ afọ. A na-akwado mkpuchi WC12Co nanostructured site na ịgbanye HVOF. The urughuru size nke sprayed ntụ ntụ bụ -10μm + 2μm, na WC ọka size bụ 400nm. Ụlọ ọrụ DURUM German nwere mmepụta mmepụta ihe. Me lenvk mụrụ WC10Co4Cr ntụ ntụ nke a kwadebere site na iji tungsten carbide nwere nha ọka dị iche iche dị ka akụrụngwa, dị ka ọka WC>12um (ihe owuwu), WC ọka ọka 0.2 ~ 0.4um (ụkpụrụ ọka dị mma), nha ọka WC ~ 0.2um (Nhazi ọka ultra-mma); WC ọka nha

12um (ihe owuwu), WC ọka ọka 0.2 ~ 0.4um (ụkpụrụ ọka dị mma), nha ọka WC ~ 0.2um (Nhazi ọka ultra-mma); WC ọka nha

6. Biomedical na mpempe akwụkwọ

A na-ejikarị teknụzụ ịgba ọkụ ọkụ na-eme ihe na ụlọ ọrụ ahụike, dị ka plasma agụụ, HVOF sprayed Ti, hydroxyapatite, na hydroxyapatite + Ti mkpuchi eji na ụlọ ọrụ ahụike (eze, orthopedics). Ịfesa ihe mgbawa nke TiO2-Ag, dị ka ntinye na mkpuchi mkpuchi Cu, nwere ike igbochi uto nje ma mee ka ha dị ọcha.