Ukuthembeka kwe-Rotor Ngaphansi Kokushisa Okuphezulu Nokusebenza Okuqhubekayo Isikhathi Eside Kuba Yinto Entsha Egxile Ekuncibilikisweni Kwe-Aluminium

Njengoba imigqa yokucubungula i-aluminium yomhlaba wonke iqhubeka nokuqhubekela phambiliamazinga okushisa aphezulu, ukukhiqizwa okuqhubekayo isikhathi eside, kanye nokuvalwa okuncane kokugcinwa, ukuqinisekisa ukuthi ama-rotor asusa igesi nge-graphite ahlala eqinile futhi ethembekile ngaphansi kwezimo ezinzima kuye kwaba yinto ebaluleke kakhulu ezitshalweni zokuncibilikisa i-aluminium.

Muva nje, umhlinzeki wezixazululo zobunjiniyela bokuphezulu kanye nokugqoka embonini wethule ikhambi lokuthembeka ikakhulukazi lama-rotor asusa igesi nge-graphite asebenza ezimweni zokushisa okuphezulu, ezihlala isikhathi eside. Ikhambi selivele lisetshenziswe ezitshalweni eziningana ze-aluminium futhi lidonsela ukunaka okukhulu.

1. Izinga Lokushisa Eliphezulu + Imijikelezo Emide

Ngokuthuthukiswa kwemikhiqizo ye-aluminium alloy kanye namazinga okushintshashintsha okwandayo, isikhathi sokusebenza kanye kwemigqa eminingi yokuncibilikisa nokukhipha sikhuphuke kakhulu. Manje sekujwayelekile ukuthi ama-rotor acwiliswe ku-aluminium encibilikisiwe e-700–750 °C noma ngaphezuluisikhathi eside ngenkathi kujikeleziswa njalo.

Ngaphansi kwalezi zimo, ama-rotor e-graphite avamile athambekele ku:

• Ukusheshisa ukushiswa kwe-oxidation ekushiseni okuphezulu, okubangela ukugoba nokuqhekeka kwezindawo ngokushesha;

• Ukuqhekeka noma ukuphuka ngenxa yokushaqeka okuhlangene kokushisa kanye nokucindezeleka komshini;

• Ukuqhekeka nokuqhekeka kwesembozo okubangelwa ukungalingani kokukhula kokushisa phakathi kwesembozo ne-graphite;

• Ukwehla okuphawulekayo kokusebenza kahle kokukhipha igesi ngokuhamba kwesikhathi, okuholela ezinkingeni ezengeziwe zokungena kwegesi.

2. Kusukela ezintweni kuya ekumbozeni

Ngezimo zokusebenza ezisebenza isikhathi eside nezinokushisa okuphezulu, ikhambi elisha liwukuthihhayimayelana "nokwengeza ungqimba lokumboza" kuma-rotor akhona. Esikhundleni salokho, kuthuthukisa lonke uhlelo—kusukela ekukhetheni i-graphite substrate kanye nesakhiwo se-rotor kuya ohlelweni lokumboza kanye nokulawula izinqubo:

• Ukukhetha okucwengisisiwe kwe-grafiti substrate
  Ngokulawula ukuminyana kwe-graphite, isakhiwo se-pore, kanye nezakhiwo ze-anisotropic, ikhambi linciphisa ukugxila kwangaphakathi kokucindezeleka kanye nezindlela ze-oxidation, libeka isisekelo esiqinile sokusebenza isikhathi eside ekushiseni okuphezulu.

• Isakhiwo se-Rotor esenzelwe ukuthembeka
  I-impeller, iziteshi zokugeleza, kanye nezingxenye zokuguquka zilungiselelwe ngendlela efanele ukususa amakhona abukhali kanye nezingxenye ezibuthakathaka ezindaweni ezicindezelekile kakhulu, okuthuthukisa ukumelana nokushaqeka kokushisa.

• Izembozo zokushisa okuphezulu ezinefilosofi "efanayo"
  Kusetshenziswa izinhlelo zokumboza ezihlanganisiwe ezine-coefficients yokwandisa ukushisa eziseduze ne-graphite. Lokhu akugcini nje ngokuhlinzeka nge-oxidation enhle kakhulu kanye nokumelana nokugqwala, kodwa futhi kunciphisa ukuqhekeka nokuqhekeka okubangelwa ukungalingani kokushisa.

• Ukulawulwa kwenqubo kugxile ezingqimbeni "eziminyene nezifanayo"
  Ngokusebenzisa izindlela eziningi zokwelashwa ngaphambi kwesikhathi kanye nezinqubo zokugqoka ezilawulwayo, ikhambi lithuthukisa ukuqina kwekhava kanye nokunamathela, livimbele ukudalulwa kwangaphambi kwesikhathi kwe-graphite substrate ngaphansi kokugeleza kokujikeleza kwesikhathi eside kanye nokuguguleka.

3. Imiphumela Yensimu

Ezitshalweni zokuncibilikisa i-aluminium ezisebenzise okushaama-rotor okususa igesi nge-graphite, imiphumela ngaphansi kwezimo zenqubo ezifanayo ifaka:

• Isikhathi senkonzo esandisiwe kakhulu nge-rotor ngayinye, ngokufakwa kwe-rotor okumbalwa;

• Ukusebenza okuzinzile kokukhipha igesi, okunezimbobo ezimbalwa kanye nezikhalazo zokufakwa emikhankasweni emide yokusakaza;

• Ukunciphisa isikhathi sokungasebenzi sokulungisa, okuholela ekusebenzeni kahle kanye nokukhiqiza okuphezulu komugqa wonke;

• Ukwehla okuphawulekayo kwezigameko ezizumayo ezibangelwa ukuphuka kwe-rotor noma ukususwa kwe-coating.

Kusobala ukuthi noma ngubani ongaqala axazulule izinselele zokuthembeka zama-rotor okususa igesi nge-graphite ngaphansi kokusebenza okushisa okuphezulu, isikhathi eside uzothola ithuba lokuqala emzuliswaneni olandelayo wokuthuthukiswa kwenqubo yokuncibilikisa i-aluminium. Ngokuphathelene nesihloko esithi "ukubhekana nezinqubo ezinzima," ukuthunyelwa kobuchwepheshe kanye nomkhiqizo sekuyindawo entsha yokulwa lapho imboni ye-aluminium kanye nabahlinzeki be-rotor beqinisa khona imizamo yabo.