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硅(gui)(gui)(gui)大(da)(da)量用于(yu)冶(ye)煉成硅(gui)(gui)(gui)鐵合(he)金(jin)作鋼鐵工(gong)(gong)業(ye)中(zhong)合(he)金(jin)元素,在(zai)很(hen)(hen)多(duo)種金(jin)屬(shu)冶(ye)煉中(zhong)作還(huan)原劑(ji)。硅(gui)(gui)(gui)還(huan)是(shi)鋁(lv)合(he)金(jin)中(zhong)的(de)良(liang)好(hao)組元,絕大(da)(da)多(duo)數鑄造鋁(lv)合(he)金(jin)都含有(you)硅(gui)(gui)(gui)。硅(gui)(gui)(gui)是(shi)電(dian)(dian)子(zi)(zi)工(gong)(gong)業(ye)超純硅(gui)(gui)(gui)的(de)原料(liao),超純半導(dao)體單晶硅(gui)(gui)(gui)做(zuo)的(de)電(dian)(dian)子(zi)(zi)器件具(ju)有(you)體積小(xiao)、重(zhong)量輕、可(ke)靠性(xing)好(hao)和壽命(ming)長等(deng)優(you)點(dian)(dian)。摻有(you)特定(ding)微(wei)(wei)量雜質(zhi)(zhi)的(de)硅(gui)(gui)(gui)單晶制(zhi)(zhi)成的(de)大(da)(da)功率晶體管(guan)、整流器及(ji)太陽能(neng)(neng)(neng)(neng)電(dian)(dian)池,比用鍺單晶制(zhi)(zhi)成的(de)好(hao)。非(fei)晶硅(gui)(gui)(gui)太陽能(neng)(neng)(neng)(neng)電(dian)(dian)池研究進展很(hen)(hen)快(kuai),轉(zhuan)換率達(da)到了8%以上(shang)。硅(gui)(gui)(gui)鉬棒電(dian)(dian)熱(re)元件使(shi)用溫度(du)可(ke)達(da)1700℃,具(ju)有(you)電(dian)(dian)阻不易老化(hua)和良(liang)好(hao)的(de)抗氧(yang)化(hua)性(xing)能(neng)(neng)(neng)(neng)。用硅(gui)(gui)(gui)生產的(de)三氯氫硅(gui)(gui)(gui),可(ke)配制(zhi)(zhi)幾百種硅(gui)(gui)(gui)樹脂潤滑劑(ji)和防水(shui)化(hua)合(he)物等(deng)。此(ci)外,碳化(hua)硅(gui)(gui)(gui)可(ke)作磨料(liao),高(gao)純氧(yang)化(hua)硅(gui)(gui)(gui)制(zhi)(zhi)作的(de)石(shi)英管(guan)是(shi)高(gao)純金(jin)屬(shu)冶(ye)煉及(ji)照明燈具(ju)的(de)重(zhong)要材(cai)(cai)(cai)料(liao)。八十年代(dai)的(de)紙張——硅(gui)(gui)(gui)人們稱硅(gui)(gui)(gui)為“八十年代(dai)的(de)紙張”。這(zhe)是(shi)因為紙張只能(neng)(neng)(neng)(neng)記錄信(xin)(xin)(xin)息,而硅(gui)(gui)(gui)不僅能(neng)(neng)(neng)(neng)記載信(xin)(xin)(xin)息,還(huan)能(neng)(neng)(neng)(neng)對信(xin)(xin)(xin)息進行處理(li)加工(gong)(gong)以獲得新的(de)信(xin)(xin)(xin)息。1945年制(zhi)(zhi)造的(de)世界上(shang)電(dian)(dian)子(zi)(zi)計(ji)算機(ji),裝有(you)18000個(ge)(ge)電(dian)(dian)子(zi)(zi)管(guan)、70000只電(dian)(dian)阻、10000只電(dian)(dian)容,整個(ge)(ge)機(ji)器重(zhong)30噸,占地170平方(fang)米,相(xiang)當于(yu)10間房子(zi)(zi)大(da)(da)小(xiao)。而今天的(de)電(dian)(dian)子(zi)(zi)計(ji)算機(ji),由(you)于(yu)技術的(de)進步(bu)和材(cai)(cai)(cai)質(zhi)(zhi)的(de)改善,在(zai)一個(ge)(ge)指(zhi)甲蓋大(da)(da)小(xiao)的(de)硅(gui)(gui)(gui)片(pian)上(shang),可(ke)以容納(na)上(shang)萬個(ge)(ge)晶體管(guan);并且有(you)輸入、輸出、運(yun)算、存(cun)儲和控制(zhi)(zhi)信(xin)(xin)(xin)息等(deng)一系(xi)列功能(neng)(neng)(neng)(neng)。微(wei)(wei)孔硅(gui)(gui)(gui)鈣(gai)(gai)保(bao)溫材(cai)(cai)(cai)料(liao)微(wei)(wei)孔硅(gui)(gui)(gui)鈣(gai)(gai)保(bao)溫材(cai)(cai)(cai)料(liao)是(shi)一種優(you)良(liang)的(de)保(bao)溫材(cai)(cai)(cai)料(liao)。它具(ju)有(you)熱(re)容量小(xiao)、機(ji)械強度(du)高(gao)、導(dao)熱(re)系(xi)數低、不燃(ran)燒、無毒無味、可(ke)切割、運(yun)輸方(fang)便等(deng)特點(dian)(dian),可(ke)廣泛(fan)用于(yu)冶(ye)金(jin)、電(dian)(dian)力、化(hua)工(gong)(gong)、船舶等(deng)各種熱(re)力設備及(ji)管(guan)道上(shang)。經測(ce)試,節能(neng)(neng)(neng)(neng)效益優(you)于(yu)石(shi)棉、水(shui)泥、蛭石(shi)和水(shui)泥珍珠巖(yan)等(deng)保(bao)溫材(cai)(cai)(cai)料(liao)。特種硅(gui)(gui)(gui)鈣(gai)(gai)材(cai)(cai)(cai)料(liao)可(ke)用作催化(hua)劑(ji)載體,在(zai)石(shi)油(you)煉制(zhi)(zhi)、汽(qi)車尾氣凈化(hua)等(deng)多(duo)方(fang)面廣泛(fan)應用。
Chemical Composition(%) | ||||
Grade/spec | Si | Fe | Al | Ca |
553 | 98.5%min | 0.5%max | 0.5%max | 0.3%max |
441 | 99.0%min | 0.4%max | 0.4%max | 0.1%max |
3303 | 99.0%min | 0.3%max | 0.3%max | 0.03%max |
2202 | 99.0%min | 0.2%max | 0.2%max | 0.02%max |
1101 | 99.0%min | 0.1%max | 0.1%max | 0.01% |
98 | 98%min | 1.0%max | 0.8%max | 0.3%max |