Astaamaha guud ee birta silicon
Birta silicon waxaa sidoo kale loo yaqaanaa silicon melallergical ama, inta badan, si fudud sida Silicon. Silicon lafteeda waa sheyga ugu badan ee ugu badan adduunka, laakiin si dhif ah looma helo qaab saafi ah oo dhulka ku jira. Adeegga Lambarka Kiimikada ee Mareykanka (CAS) ayaa siiyay lambarka CAS 7440-21-3. Birta silicon ee qaabkeeda saafiga ah waa cawlan, caajis, shey macdan ah oo aan lahayn ur. Barta dhalaalaysa iyo barta karkaraya ayaa aad u sarreeya. Silicon-ka metallitic wuxuu ku bilaabmayaa inuu dhalaalayo qiyaastii 1,410 ° C. Barta karkaraya xitaa wuu ka sarreeyaa waana qiyaastii 2,355 ° C. Xoolaha biyaha ee biyuhu birta silicon birta aad ayey u yar tahay in loo qaddariyo in lagu dhaqmo ficil ahaan.
Heerka Ganacsiga ee tilmaanta birta silicon
Summad | Qeybta kiimikada | |||||
Si≥ (%) | Mather shisheeye.≤ (((%) | Mather shisheeye awgeed | ||||
Fe | Al | Ca | P | B | ||
Ums1101 | 99.5 | 0.10 | 0.10 | 0.01 | 15 | 5 |
Ums220a | 99.0 | 0.20 | 0.20 | 0.02 | 25 | 10 |
Ums220b | 99.0 | 0.20 | 0.20 | 0.02 | 40 | 20 |
UMS3303 | 99.0 | 0.30 | 0.30 | 0.03 | 40 | 20 |
Ums411 | 99.0 | 0.40 | 0.10 | 0.10 | 40 | 30 |
Ums421 | 99.0 | 0.40 | 0.20 | 0.10 | 40 | 30 |
Ums441 | 99.0 | 0.40 | 0.40 | 0.10 | 40 | 30 |
Umms521 | 99.0 | 0.50 | 0.20 | 0.10 | 40 | 40 |
UMS55A | 98.5 | 0.50 | 0.50 | 0.30 | 40 | 40 |
UMS553b | 98.5 | 0.50 | 0.50 | 0.30 | 50 | 40 |
Cabbirka Qeybta: 10~120 / 150mm, sidoo kale waxay noqon kartaa wax lagu caseeyo shuruudo;
Xidhmada: Waxaa lagu buuxiyaa 1-ton oo bacaha xamuulka rogroghtlex ah, sidoo kale waxay bixiyaan xirmo sida ay sheegtay shuruudaha macaamiisha;
Maxaa loo isticmaalaa birta Silicon?
Birta silicon waxaa badanaa loo isticmaalaa sidii loo shaqeeyey warshadaha kiimikada ee soo saarista meelaha siloxan iyo sixroes-ka. Birta silicon ah sidoo kale waxaa loo isticmaali karaa maaddo muhiim ah oo ku saabsan qalabka elektiroonigga ah iyo warshadaha qoraxda (silicon chips, semi-rooners, sadaqooyinka qoraxda). Waxay sidoo kale horumarin kartaa guryaha hore ee waxtarka leh ee aluminium sida dhiiga la'aanta, adkeyn iyo xoog. Ku darista birta Silicon ee aluminium aluminium wuxuu ka dhigayaa iftiin iyo xoog. Marka, waxaa si isa soo taraysa loogu adeegsaday warshadaha gawaarida. Loo adeegsaday in lagu beddelo qaybaha birta culus. Qeybaha baabuurta sida loo yaqaan 'otorfer' iyo xargaha mashiinka taayirrada waa qaybaha ugu caansan ee qawaaniinta qaddarka ah ee Quluminum Cast Ciddicon.
Adeegsiga biraha silicon waxaa loo celin karaa sida hoose:
● aluminium aluminit (tusaale. Aluminium aluminium-ka sarreeya ee warshadaha baabuurta).
Soo-saareyaasha Siloxanes iyo Siloxes.
● Qalabka gelinta aasaasiga ah ee soo saarista cutubyada sawir qaadista ah.
● Soo saarista heerka elektiroonigga ah ee silicon.
● Soo saarista cidhibta silica silica.
● Codsiyada kale ee warshadaha.