Macaamil cusub ama qof duugoobay, waxaan aaminsanahay muujinta dheer iyo xiriir la isku halleyn karo oo loogu talagalay 2019 Beddelaha Kulaylka Saxanka ee Tayada Sare leh ee Dareere ilaa Dareere ah oo si Buuxda Loo Welded, Haddii aad xiisaynayso mid ka mid ah badeecadahayaga ama aad rabto inaad ka hadasho iibsi gaar ah, waa inaad runtii xor u noqotaa inaad nala soo xiriirto.
Iyadoo aan loo eegin macaamiil cusub ama dukaanle duugoobay, waxaan aaminsanahay muujinta dheer iyo xiriir la isku halleyn karoKuleyliyaha Shiinaha iyo Beddelaha KulayliyahaQarnigan cusub, waxaan kor u qaadnaa ruuxa ganacsigeenna "midnimo, dadaal badan, hufnaan sare leh, hal-abuur", waxaanan ku dheggannahay siyaasaddeenna "adoo ku saleynaya tayo, ganacsi badan, firfircooni leh sumcadda heerka koowaad". Waxaan fursaddan dahabiga ah u isticmaali doonnaa inaan abuurno mustaqbal ifaya.
Kuleyliyaha garaafka
Qaybaha kululeeyaha garaafka waxaa loo isticmaalaa foornada heerkulka sare leh iyadoo heerkulku gaaray 2200 digrii jawiga faakuumka iyo 3000 digrii jawiga gaaska ee la qalajiyey oo la geliyay.
Astaamaha ugu muhiimsan ee kululeeyaha graphite:
1. isku mid ahaanshaha qaab-dhismeedka kuleylinta.
2. Korantada oo si fiican loo isticmaalo iyo culays koronto oo sarreeya.
3. iska caabbinta daxalka.
4. oksaydh la'aan.
5. daahirnimo kiimiko oo sareysa.
6. xoog farsamo oo sare leh.
Faa'iidada waa tamar hufan, qiimo sare iyo dayactir hooseeya.
Waxaan soo saari karnaa ka-hortagga oksaydheynta iyo cimri dheer oo graphite crucible ah, caaryada graphite iyo dhammaan qaybaha kuleyliyaha graphite.
Qiyaasaha ugu muhiimsan ee kululeeyaha graphite:
| Qeexitaanka Farsamada | VET-M3 |
| Cufnaanta Badan (g/cm3) | ≥1.85 |
| Waxyaabaha Dambaska ah (PPM) | ≤500 |
| Adkaanta Xeebta | ≥45 |
| Iska caabinta Gaarka ah (μ.Ω.m) | ≤12 |
| Xoogga Laab-jeexa (Mpa) | ≥40 |
| Xoog Cadaadis ah (Mpa) | ≥70 |
| Cabbirka ugu Badan ee Badarka (μm) | ≤43 |
| Isugeynta Ballaarinta Kulaylka M/°C | ≤4.4*10-6 |
Kuleyliyaha garaafka ee foornada korontada ku shaqeeya wuxuu leeyahay sifooyin iska caabbinta kulaylka, iska caabbinta oksaydhka, gudbinta korontada oo wanaagsan iyo xoojinta farsamada oo wanaagsan. Waxaan mashiinno ku samayn karnaa noocyo kala duwan oo kuleyliyaha garaafka ah iyadoo loo eegayo naqshadaha macaamiisha.






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