I-China molybdenum Intambo yokushisisa emise oku-U Umkhiqizi Nomphakeli

I-molybdenum yokushisa emise okwe-U

I-molybdenum Intambo yokushisisa emise okwe-U Isithombe esifakiwe

Incazelo emfushane:

Intambo yokushisisa emise okuka-U, eyenziwe ngezinto ezifana ne-nichrome noma i-kanthal, isabalalisa kahle ukushisa lapho ifakwa ugesi. Ilungele izinhlelo zokusebenza ezihlukahlukene zokushisa, inikeza ukulawula ukushisa okufanayo nokuqina.

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Iyiphi intambo engcono kakhulu yokushisisa?

Ukukhethwa kocingo olungcono kakhulu lwesici sokushisa kuncike ezidingweni ezithile zohlelo lokusebenza. Kodwa-ke, ezinye izinto ezijwayelekile ezisetshenziselwa ukushisa izinto zifaka:

1. Ingxubevange ye-nickel-chromium: Ingxubevange ye-nickel-chromium isetshenziswa kakhulu ezintweni zokushisisa ngenxa yokumelana kwayo okuphezulu, ukumelana ne-oxidation okuhle, kanye nokumelana nezinga lokushisa eliphezulu. Ngokuvamile isetshenziswa ezintweni zasendlini ezifana namathosta, okomisa izinwele, namahhavini.

2. I-Kanthal: I-Kanthal iyingxube ye-iron-chromium-aluminium eyaziwa ngamandla ayo okushisa aphezulu, ukumelana okuhle kwe-oxidation, nempilo ende yesevisi. Ivamise ukusetshenziselwa ezimbonini zokushisisa izimboni ezifana neziko, iziko namahhavini ezimboni.

3. I-Tungsten: Yaziwa ngendawo yayo yokuncibilika ephezulu kakhulu, i-tungsten isetshenziswa ezinhlelweni ezidinga amazinga okushisa aphezulu kakhulu, njengeziko lokushisa eliphezulu kanye nezinqubo ezikhethekile zezimboni.

4. I-Molybdenum: I-Molybdenum ingenye impahla enephuzu eliphezulu lokuncibilika kanye nokumelana okuhle nokugqwala kanye ne-oxidation, okwenza ifanelekele izici zokushisa ezisezingeni eliphezulu ezisetshenziswayo ezikhethekile.

Intambo engcono kakhulu yesici sokushisa incike ezintweni ezifana nezinga lokushisa elifunekayo, indawo ezosetshenziswa kuyo, kanye nezidingo ezithile zokushisa zohlelo lokusebenza. Impahla ngayinye inezinzuzo zayo kanye nokulinganiselwa kwayo, ngakho-ke ukukhetha kufanele kusekelwe ezidingweni ezithile zokusetshenziswa okuhlosiwe kwesici sokushisa.

Ingabe i-molybdenum i-conductor enhle yokushisa?

I-Molybdenum ithathwa njengomqhubi omuhle wokushisa, nakuba ingakuphathi kahle ukushisa njengezinye izinsimbi ezifana nethusi noma i-aluminium. I-thermal conductivity ye-molybdenum ekamelweni lokushisa cishe i-138 W/m·K, ephansi kunethusi (cishe 401 W/m·K) ne-aluminium (cishe 237 W/m·K).

Kodwa-ke, i-thermal conductivity ye-molybdenum isephezulu uma iqhathaniswa nezinye izinto eziningi, ikakhulukazi emazingeni okushisa aphezulu. Lokhu kwenza i-molybdenum ibe inketho efanelekile yezinhlelo zokusebenza ezidinga ukudluliswa kokushisa okuphezulu, njengezinto zokufudumeza, iziko lokushisa eliphezulu nezinye izinhlelo zokulawula ukushisa.

Ngaphezu kokusebenza okushisayo, i-molybdenum inezinye izinto ezibalulekile ezifana nephuzu elincibilikayo eliphezulu, ukumelana ne-oxidation, namandla amahle omshini emazingeni okushisa aphezulu, okwenza kube yinto eguquguqukayo yezinhlelo zokusebenza ezihlukahlukene zokushisa okuphezulu.

I-molybdenum emise intambo yokushisisa emise u-U (4)

Kuyini ukwelashwa ukushisa kwe-molybdenum?

I-Molybdenum ivame ukuphathwa ngokushisa ukuze ithuthukise izakhiwo zayo zemishini futhi ikhulule izingcindezi zangaphakathi. Inqubo yokwelapha ukushisa kwe-molybdenum ngokuvamile ihilela ukucwiliswa, inqubo yokushisa elawulwayo kanye nokupholisa. Izinyathelo ezithile zokwelapha ukushisa kwe-molybdenum zingabandakanya:

1. Ukufakwa kwe-Annealing: I-Molybdenum ivamise ukukhishwa emazingeni okushisa aphezulu, ngokuvamile ebangeni lika-1,800 kuya ku-2,200 degrees Celsius (3,272 kuya ku-3,992 degrees Fahrenheit). Okubalulekile kugcinwe kuleli zinga lokushisa isikhathi esithile ukuze kuvunyelwe ukuvuselelwa kabusha nokukhula okusanhlamvu, okusiza ukukhulula ukucindezeleka kwangaphakathi nokuthuthukisa i-ductility.

2. Ukupholisa okulawulwayo: Ngemva kwenqubo yokuthungatha, i-molybdenum ipholiswa kancane kancane kumazinga okushisa ekamelo ngendlela elawulwayo ukuze kuvinjelwe ukwakheka kwezingcindezi ezintsha zangaphakathi nokugcina i-microstructure oyifunayo.

Imingcele ethile yenqubo yokwelapha ukushisa, okuhlanganisa izinga lokushisa, ubude besikhathi kanye nezinga lokupholisa, inqunywa ngokusekelwe ezicini ezidingekayo zemishini kanye nezidingo ezithile zohlelo lokusebenza.

Sekukonke, ukwelashwa kokushisa kwe-molybdenum kuhloswe ukuthuthukisa i-microstructure yayo kanye nezakhiwo zemishini ukuze kuqinisekiswe ukufaneleka kwayo kwezicelo zokushisa okuphezulu njengokukhiqizwa kwezinto zokufudumeza, izingxenye zesithando somlilo kanye nezinye izisetshenziswa zezimboni ezikhethekile.