Waxaan haysanaa mid ka mid ah qalabka jiilka ugu horumarsan, injineero iyo shaqaale khibrad iyo khibrad leh, oo la aqoonsan yahay nidaamyada maaraynta tayada wanaagsan iyo saaxiibtinimada xirfad iibka ah ee xoog shaqaale iibka kahor/ka dib iibka Mid ka mid ah Qalabka Kululiyaha Gaarka ah ee Garaafyada ee Kiimikada dhalaalidda, Aynu gacmahaaga oo gacmaha isqabsada la iska kaashado si wadajir ah loo abuuro mustaqbal qurux badan. Waxaan si kal iyo laab ah kuugu soo dhawaynaynaa inaad soo booqato meheraddayada ama aad noo soo wacdo wada shaqayn!
Waxaan leenahay mid ka mid ah qalabka jiilka ugu horumarsan, injineero iyo shaqaale khibrad iyo khibrad leh, la aqoonsan yahay nidaamyada maaraynta tayada wanaagsan iyo saaxiibtinimo xirfad leh oo shaqaale iibka iibka ka hor/ka dib iibkaShiineeska Kuleyliyaha iyo Kuleyliyaha, Inta lagu jiro 11 sano, Hadda waxaan ka qayb qaadanay in ka badan 20 bandhigyo, helo ammaanta ugu sareysa ee macaamiisha kasta. Shirkaddayadu waxay u heellan tahay "macmiilka marka hore" waxayna ka go'an tahay inay ka caawiso macaamiisha inay ballaariyaan ganacsigooda, si ay u noqdaan Maamulaha Weyn!
Kuleyliyaha garaafka
Qaybaha kuleyliyaha garaafka waxaa loo isticmaalaa foornada heerkul sare oo heerkulku gaaray 2200 darajo deegaanka faakuumka iyo 3000 digrii ee deoxidized iyo deegaanka gaaska la geliyo.
Tilmaamaha ugu muhiimsan ee kuleyliyaha garaafka:
1. isku mid ahaanshaha qaab dhismeedka kuleylka.
2. korantada wanaagsan iyo culays koronto oo sarreeya.
3. iska caabin daxalka.
4. oksidizability.
5. nadiifinta kiimikada sare.
6. xoogga farsamada sare.
Faa'iidada waa tamar hufan, qiimo sare iyo dayactir hooseeya.
Waxaan soo saari karnaa ka-hortagga oksaydhka iyo cimriga dheer ee garaafiga crucible, caaryada garaafka iyo dhammaan qaybaha kuleyliyaha garaafka.
Qiyaasaha ugu muhiimsan ee kuleyliyaha garaafka:
Tilmaamaha Farsamada | VET-M3 |
Cufnaanta Weyn (g/cm3) | ≥1.85 |
Waxyaabaha Ash (PPM) | ≤500 |
Xeebta Adag | ≥45 |
Iska caabin gaar ah (μ.Ω.m) | ≤12 |
Xoog Jilicsan (Mpa) | ≥40 |
Xoog isku dhejisan (Mpa) | ≥70 |
Max. Cabbirka hadhuudhka (μm) | ≤43 |
Isku-dhafka Balaadhinta kulaylka Mm/°C | ≤4.4*10-6 |
Kuleyliyaha garaafka ee foornada korantada wuxuu leeyahay sifooyin caabbinta kulaylka, caabbinta oksaydhka, korantada wanaagsan ee korantada iyo xoojinta farsamada ka wanaagsan. Waxaan mishiin karnaa noocyada kala duwan ee kuleyliyaha graphite sida waafaqsan naqshadaha macaamiisha.
Waxaan haysanaa mid ka mid ah qalabka jiilka ugu horumarsan, injineero iyo shaqaale khibrad iyo khibrad leh, oo la aqoonsan yahay nidaamyada maaraynta tayada wanaagsan iyo saaxiibtinimada xirfad iibka ah ee xoog shaqaale iibka kahor/ka dib iibka Mid ka mid ah Qalabka Kululiyaha Gaarka ah ee Garaafyada ee Kiimikada dhalaalidda, Aynu gacmahaaga oo gacmaha isqabsada la iska kaashado si wadajir ah loo abuuro mustaqbal qurux badan. Waxaan si kal iyo laab ah kuugu soo dhawaynaynaa inaad soo booqato meheraddayada ama aad noo soo wacdo wada shaqayn!
Mid ka mid ah kuwa ugu kululShiineeska Kuleyliyaha iyo Kuleyliyaha, Inta lagu jiro 11 sano, Hadda waxaan ka qayb qaadanay in ka badan 20 bandhigyo, helo ammaanta ugu sareysa ee macaamiisha kasta. Shirkaddayadu waxay u heellan tahay "macmiilka marka hore" waxayna ka go'an tahay inay ka caawiso macaamiisha inay ballaariyaan ganacsigooda, si ay u noqdaan Maamulaha Weyn!
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