Sei Graphite Rotor isingakwanise kushanda isina Anti-oxidation Coating?

Muindasitiri yekunyungudutsa aruminiyamu uye kunyungudutsa aruminiyamu,marotor egirafitiyava kuda kuva michina yakajairika. Mafekitori mazhinji anoziva kuti pasina anti-oxidation coating, rotor ichakurumidza kudyiwa. Nekuda kweizvozvo, "machira ekudzivirira kupisa kwakanyanya" akasiyana-siyana akazara mumusika. Zvisinei, kana zvasvika kunzvimbo dzekugadzira chaidzo, mubvunzo unowanzo buda: sei coating, iyo inofanirwa kuchengetedza graphite rotor, inowanzova chinhu chekutanga kukundikana mumamiriro ekupisa kwakanyanya, kwenguva refu, uye akaomarara? Nyanzvi dzine ruzivo rwemakore akawanda muindasitiri ye semiconductor dzinowanzo sangana nematambudziko akadaro. Naizvozvo, kuti usarudze uye ushandise graphite rotor anti-oxidation coating zvinobudirira, zvakakosha kutanga wanzwisisa mashandiro ekukundikana kwemachira uye wozoongorora kuti kambani ine hunyanzvi mukugadzirisa pamusoro pezvinhu inogona sei kuzvisiyanisa munzvimbo dzakakosha.

I. Sei ma graphite rotors asingakwanise kushanda asina anti-oxidation coating?
Graphite pachayo "inoshanda" zvikuru kune aruminiyamu yakanyungudutswa:

• Kuwanda kwakaderera uye huremu hwakareruka, zvichideredza mutoro wekutumira;
• Kudzivirira kupisa kwakanyanya, hakukuvadzi kuputika kana kupisa kuchidzokorora;
• Zviri nyore kugadzirisa, zvichibvumira marongerwo akaomarara e rotor impellers anoita kuti aruminiyamu ikurungane uye iparadzire mabubbles.

Zvisinei, inewo kushaya simba kunouraya: icharamba ichipiswa uye ichidyiwa munzvimbo dzine okisijeni yakawanda.

Mumamiriro ezvinhu akajairika ekunyungudutsa aruminiyamu:

• Tembiricha yearuminiyamu yakanyungudutswa inowanzova pakati pe720–780°C, uye mamwe mamiriro ezvinhu akanyanya kukwira;
• Chikamu che rotor chinoonekwa mumhepo yechoto, uko okisijeni nezvinhu zvinopiswa zvisingadzivisiki;
• Rotor inotenderera nekumhanya kukuru, ichiramba ichiisa girafiti itsva inodziya zvakanyanya mumhepo.

Pasina chipfeko chinoshanda chekudzivirira oxidation, rotor icharatidza:

• Zvidimbu zvepamusoro zvichitsva zvishoma nezvishoma, nekudzikira kwehukuru kunoonekwa mumavhiki kana mazuva;
• Pamusoro pacho panobva paita maburi uye pakaita maburi, zvichikonzera kupararira kwemabubble zvisina kuenzana uye kudzikira kwekushanda kwegasi;
• Upfu hwakasanganiswa nemarara zvinodonha, zvova zvinhu zvinosanganisirwa muaruminiyamu yakanyungudutswa.

Basa rekudzivirira oxidation coating nderekubatsira graphite kutsungirira "hondo iyi isingaperi yekushandisa" pasi pemamiriro ekunze ane tembiricha yakakwira, ane oxygen yakawanda, uye akanyungudutswa aruminiyamu uye slag.

II. Sei Mapendi Anowanzo Kukundikana Pakutanga Kana Mamiriro Ezvinhu Akanyanya Kuipa?
Mukuongorora kukundikana kwakajairika, mamiriro ezvinhu anowanzoitika anogona kuiswa muzvikamu zvakasiyana-siyana:

1. Kusawirirana kwekuwedzera kwekupisa: Kupfeka kwakanaka "kunozviparadzanisa"

• Maitiro ekuwedzera kwekupisa kwegraphite nezvinhu zvisina kugadzirwa zvakasiyana zvikuru:
• Graphite inonyanya kunyorova, ine kukura kwakasiyana munzira dzakasiyana;
• Mapendi akawanda akaita seceramic kana girazi ane ma coefficients ekuwedzera kwekupisa uye "akaoma" zvakanyanya.

Munguva yekudziyisa, kunyorova, kudzima, uye kutonhora kakawanda, zvinhu zviviri izvi hazvikure uye hazvikotame zvakafanana:

• Mapundu madiki anotanga kuoneka mujira;
• Mitswe iyi inoramba ichipararira pasi pekutenderera kwerotor uye kukweshwa kwearuminiyamu yakanyungudutswa;
• Pakupedzisira, nzvimbo huru dzejira dzinobuda, zvichiratidza girafiti substrate munzvimbo iyoyo.

Pamusoro pechinhu ichi zvinoita sekuti "hachina kunaka pakuputira," asi kutaura chokwadi, kufananidza kupisa negrafiti hakuna kumboonekwa sechirambidzo chakasimba pakugadzira uye padanho rekugadzira chimiro.
2. Maburi neMaburi: Nzira Dzinomhanyisa Okisijeni neAruminiyamu Yakanyungudutswa
Mune mamwe machira, chimiro che microstructure hachina kunyatsosimba:

• Kupararira kwehukuru hwezvimedu zvisina kunaka kunosiya maburi akabatana mushure mekutsvaira;
• Kuisa zvinhu zvakafanana uye kuomesa mutobvu unoenda kumaburi emapini nemabhurumu akabatwa;
• Kusadzora zvakanaka nzira yekupfura kunoita kuti nzvimbo dzine mhepo isina kunyorova zvakanaka munharaunda.

Zvikanganiso izvi zvisingaoneki zvinowedzera zvakanyanya mumamiriro ekushanda akaipisisa:

• Okisijeni inopinda nemumaburi uye inotanga kuoxidize graphite kubva pasi pejira;
• Rutivi rwuri pasi pechifukidziro runoburitswa zvishoma nezvishoma, zvichiita "mabhurugwa" kana kuti maburi;
• Rimwe zuva, pakati pekugadzirwa, chigamba chose chependi chinongoerekana chabva.

Chinowanzoonekwa panzvimbo iyi ndechekuti divi rekumashure rejira rakadonha pamwe nepamusoro pegirafiti zvakatove zvakasununguka uye zvakaita seupfu.
3. Kuregeredza Kuora Kwemakemikari Kubva kuAluminium Yakanyungudutswa uye Slag
Mamiriro ezvinhu akaomarara ebasa haasi ekungopisa zvakanyanya chete. Anosanganisirawo:

• Masisitimu akaomarara ealuminium alloy ane Mg yakawanda, Si yakawanda, kana rare earth additions;
• Zvasara zvezvinonatswa uye zvinofukidza chloride nefluoride;
• Tsvina inonamatira pamusoro pe rotor kwenguva yakareba.

Kana fomura yekuputira ichingotarisa pakuva "inodzivirira kupisa kwakanyanya" ukuwo ichiregeredza zvinhu izvi zvemakemikari, matambudziko anotevera anogona kuitika:

• Zvimwe zvikamu zvekuputira zvinosangana nearuminiyamu yakanyungudutswa kana slag, zvichiita zvikamu zvekunyunguduka zvishoma;
• Kana yabatwa kwenguva refu, chifukidziro chinonyorova zvishoma nezvishoma uye chinobviswa nemakemikari, pamusoro pacho "pachinodyiwa" zvishoma nezvishoma;
• Pamusoro pechifukidziro chinova chakaomarara, nzvimbo inoyerera mvura inoderera, uye kushanda kwekubvisa mweya kunoderera.

Kuongororwa kwenguva pfupi kwekupisa kwakanyanya murabhoritari hakugone kuburitsa mhedzisiro yekurwisa kwemakemikari kwenguva refu kwerudzi urwu.
4. Kusagadzikana kweMaitiro: Nzira Yakanaka "Yakashandisa Nzira Isina Kururama"
Imwe mamiriro ezvinhu akajairika ndeaya:

• Chimiro chimwe chete ichi chinoratidza hupenyu hwakasiyana kwazvo hwebasa mumabhechi akasiyana kana zvirimwa zvakasiyana;
• Batch itsva inoiswa mukushanda uye coating inotanga kusvuuka pakarepo, izvo zvakaoma kuti nzvimbo yekugadzira igamuchire.

Tichidzokera kuchikonzero chikuru, matambudziko anowanzo kuwanikwa mumatanho ekuita:

• Kusagadzirira zvakanaka kwepasi pevhu, guruva nemafuta zvichikanganisa kunamira kwevhu;
• Ukobvu hwejira husina kufanana, zvichiita kuti nzvimbo dzisina kusimba dzitange dzakundikana;
• Kudzora kwakashata kwekupisa kwemoto uye nguva yekubata, zvichikonzera kusagadzikana kwechimiro chepurasitiki.

Kune zvigadzirwa zvekuputira, fomura ndiyo hwaro, asi kugadzirisa kwakasimba uye kwakarongeka zvakanaka ndiyo vimbiso chaiyo yehupenyu hwebasa.

III. Kambani Inonyatsonzwisisa Unyanzvi Hwekugadzira Zvinhu Zvine Ruzivo Inoshanda Sei?

Mukambani yedu, nguva refu yakatarisana nekugadzira zvinhu pamusoro pechinhu uye machira anoshanda ezvikamu zvinopisa zvakanyanya. Pakushanda kwakanyanya kwema graphite rotors muindasitiri yekuchenesa aluminium, tinogadzirisa dambudziko iri kubva pamatanho mana akakosha.

1. Kugadzira Fomura Yekuputira Kubva paGraphite, Kwete Kumanikidza Kuputira Pane Chero Chikamu

Tinogara tichitanga nekuongorora zvakadzama zvinhu zve graphite substrate yemutengi:

• Kunzwisisa chimiro chayo chemaburi, huwandu hwehuwandu, uye maitiro ekuwedzera kwekupisa kweanisotropic;
• Ongorora mamiriro chaiwo ekupisa kwekushanda uye kuwanda kwekupisa kwemhepo;
• Sanganisa izvi ne rotor geometry kuti uone nzvimbo dzine stress yakawanda uye dzinonyanya kupfekwa.

Pachikonzero ichi, tinoita dhizaini yekushongedza yakanangwa:

• Dzora chiyero chekuwedzera kwekupisa kwejira kuitira kuti rive pedyo negraphite sezvinobvira;
• Shandisa sisitimu yekubatanidza ine zvikamu zvakawanda kuti uenzanise kuomarara uye kusimba;
• Gadzirisa ukobvu hwejira uye chimiro chejira munzvimbo dzine kushushikana kwakanyanya kuderedza njodzi yekutsemuka.

Zvatinopa hazvisi "kupfeka kumwe chete kwemunhu wese," asi mhinduro yakakwana yakavakirwa pachigadziko chegirafiti.

2. Kudzora Magadzirirwo Ezvinhu: Kuita Kuti Kupfeka Kuve "Kwakaoma" Zvechokwadi, Kwete "Kungonamira Muziso"

Kuti tigadzirise maburi nemaburi, tinoshanda panguva imwe chete kubva pazvinhu zvakagadzirwa uye mativi ekugadzirisa:

• Gadzirisa kugoverwa kwehukuru hwezvidimbu uye huwandu hwakasimba kuitira kuti chifukidziro chigadzire chimiro chinogara chiripo, chakakora mushure mekupiswa;
• Dzora makomba ekuomesa nekupisa mukati mewindo remaitiro akatsanangurwa kuti uderedze kushushikana kwemukati uye kutsemuka kudiki;
• Ita cross-section metallography, porosity measurements, uye adhesion tests pa key batches, uchisiya data richizvitaurira roga.

Mumamiriro ezvinhu akaoma ebasa, izvi zvinoshandurwa kuita:

• Kunyangwe kana nzvimbo yacho yasakara, chifukidziro chacho chinotanga kutetepa zvishoma nezvishoma pane kuti chibude muzvidimbu zvikuru;
• Kuchinja-chinja kwehupenyu hwebasa kwakadzikira zvakanyanya, zvichiita kuti kuronga maitiro uye kuronga kugadzirisa zvive nyore.

3. Kugadzira Kuramba Kuora kweMasisitimu Akanyungudutswa eAluminium neSlag
Isu tinoita ongororo dzakagadzirwa kuti dzisapararire ngura zvichibva pane aluminium alloy uye masisitimu ekuwedzera emushandisi wega wega:

• Ita bvunzo dzekunyudza simbi dzealuminium dzine magnesium yakawanda uye silicon yakawanda zvakasiyana;
• Tevedzera nharaunda dzine zvinhu zvakafanana zvekunatsa uye zvinofukidza zvinhu kuti uedze kugadzikana kwemakemikari ejira racho;
• Gadzirisa zvikamu zvemuumbirwo kuti uderedze njodzi yekunyunguduka kushoma kana kuti kuputsika pakati pechifukidziro nearuminiyamu yakanyungudutswa.

Kubva pamaonero emushandisi, mabhenefiti acho anooneka zvikuru:

• Makomba emunzvimbo "akanyunguduka" pamusoro pe rotor haachaitiki;
• Tsvina hainyanyi kunyorova zvakanyanya pamusoro pechifukidziro, zvichideredza kuoma kwekuchenesa;
• Kuchena kwearuminiyamu yakanyungudutswa kunova kwakasimba, uye kudonha kwegasi uye zvikanganiso zvekubatanidzwa mumakasi epasi zvinoderera.

4. Kuunza Kugadzikana Kwemaitiro Mukutonga Kwemhando, Kwete Kungosiya Zvacho Papepa Reruzivo
Mukugadzira, tinobata kurapa pamusoro pemvura, kushandisa coating, uye kupfura secheni imwe chete yakabatanidzwa:

• Maitiro ekuchenesa nekuchenesa substrate akajairika kuti pave nechokwadi chekuti pane "chinongedzo" chakavimbika chependi;
• Kusarudza nzira yakakodzera yekushandisa (kunyika, kupfapfaidza, kana kukwesha) zvichienderana ne rotor geometry, nekudzora ukobvu hwayo;
• Kunyora nekutevera tembiricha yechoto, mhepo, kupisa uye mwero wekutonhodza kuti uve nechokwadi chekuti zvinhu zvose zviri kubikwa zvinoenderana.

Panguva imwe chete, tinoramba tichivandudza zvinhu zvichibva pane zvataurwa nevamwe mumunda:

• Gara uchiongorora marotor akadzoka, akakundikana kuti uone nzvimbo chaiyo yekukundikana uye mashandiro acho;
• Dzorerai mhinduro idzi mukugadzirisa nekugadzirisa maitiro, pane kungoita kuti zvive zvakakora kana kuti "zviome."