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Mipeni Ya Kitchen ya Ruitai: Gwero Lanu Lalikulu la Mipeni Ya Kitchen Yachizolowezi Yochokera ku China
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Mipeni Ya Kitchen ya Ruitai: Gwero Lanu Lalikulu la Mipeni Ya Kitchen Yachizolowezi Yochokera ku China
Pali mitundu iwiri ya njira zogwirizira zokutira zida: chemical vapor deposition (cvd) ndi vapor deposition (pvd) pakadali pano. M'zaka zaposachedwa, njira zatsopano zokutira zawonekera, zomwe zili ndi chiyembekezo chabwino chogwiritsa ntchito.
CVD
CVD njira, amene ali atomiki mafunsidwe, ndi njira kupanga olimba mafunsidwe wosanjikiza pamwamba Kutentha masanjidwewo pogwiritsa ntchito nthunzi, haidrojeni ndi zigawo zina mankhwala zitsulo halide pa kutentha 950 ~ 1050 ℃. Njirayi imaphatikizapo magawo atatu: vaporization ya zinthu, mayendedwe kupita kufupi ndi masanjidwewo ndikupanga zokutira pa matrix.
Mwa mitundu yonse ya njira za cvd, bombardment ya vacuum ion ndi kupopera kwa magnetron ion reaction ndizomwe zimagwiritsidwa ntchito kwambiri. Ukadaulo wa cvd umagwiritsidwa ntchito kwambiri pakupaka pamwamba pazida zomata za carbide, zomwe ndizoyenera kuthamangitsa mwachangu komanso kumalizidwa kwapakati komanso kudula kolemera.
Poyerekeza ndi njira zina zokutira, njira ya cvd sikuti ili ndi ubwino wa zida zosavuta, ndondomeko yokhwima, komanso ili ndi ubwino wotsatirawu:
Pali mitundu yambiri ya matope, yomwe imatha kukhala yokutidwa ndi zitsulo, aloyi, carbides, nitrides, borides, oxides, carbon nitrides, oxygen nitrides, hydro-carbon nitrides, etc. Ndi kuthekera kwakukulu komanso kufananiza, zokutira zama multilayer zokhala ndi minyewa yosiyanasiyana zitha kupezeka, ndipo makulidwe opaka ndi ofanana. Mlingo wa deposition ndi wapamwamba komanso wosavuta kuwongolera. Chophimbacho chimakhala ndi chiyero chachikulu komanso njere zabwino komanso zowirira. Kumamatira mwamphamvu kumatha kupeza zokutira zokulirapo. Mtengo wotsika mtengo, woyenera kupanga misa.
PVD
Njira ya PVD ndi yochotsa zinthu zomwe zikufika potsata njira zakuthupi monga kutuluka kwa nthunzi kapena kutayira, kenaka ndikuyika ma ion amphamvuwa pagawo laling'ono kapena gawo laling'ono kuti apange filimu wosanjikiza kudzera mu vacuum kapena theka-vacuum space. The nthunzi anachita chamunthuyo kapena sputtered zitsulo maatomu kumabweretsa mafunsidwe a zofunika mankhwala pa chida pamwamba. Pvd zokutira zitha yokutidwa ndi titaniyamu nitride, titaniyamu carbon nitride, zotayidwa titaniyamu nayitrogeni mankhwala, komanso zitsulo zosiyanasiyana refractory carbides ndi nitrides.
Ukadaulo wa PVD umagwiritsidwa ntchito kwambiri pochiza zida za carbide zophatikizika ndi zida zachitsulo zothamanga kwambiri. Zakhala zikugwiritsidwa ntchito kwambiri popaka chithandizo cha simenti ya carbide bit, chodula mphero, reamer, tap, chida chowoneka mwapadera, chida chowotcherera ndi zina zotero.
MT-CVD
The tcn ❖ kuyanika ndi wandiweyani fibrous crystalline morphology akhoza kuwapeza ndi sing'anga kutentha mankhwala nthunzi mafunsidwe (MT-CVD) pa 700 ~ 900 ℃. Makulidwe ❖ kuyanika akhoza kufika 8 ~ 10μm, ndipo akhoza kukhala a2o3, malata pamwamba wosanjikiza ndi luso cvd.
MT-CVD ❖ kuyanika tsamba ndi oyenera liwilo, kutentha kwambiri, katundu lalikulu, youma kudula mikhalidwe, moyo wake ndi pafupifupi kuwirikiza kawiri kuposa wamba ❖ kuyanika tsamba. cvd drawback chachikulu cha njirayo ndikuti kutentha kwa deposition ndikokwera kwambiri, ndipo chida cha annealing ndi mapindikidwe chidzachitika pomwe chida chachitsulo chothamanga kwambiri chidakutidwa. Ndiye chida choyikidwacho chiyenera kuzimitsidwa.
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