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硅(gui)(gui)(gui)大(da)量(liang)用(yong)(yong)于(yu)(yu)冶(ye)煉(lian)成(cheng)硅(gui)(gui)(gui)鐵合(he)金作(zuo)鋼鐵工(gong)(gong)業中合(he)金元(yuan)素,在很多種(zhong)(zhong)(zhong)金屬冶(ye)煉(lian)中作(zuo)還原劑。硅(gui)(gui)(gui)還是(shi)鋁(lv)合(he)金中的(de)(de)(de)(de)(de)良好組元(yuan),絕大(da)多數鑄造鋁(lv)合(he)金都含有(you)硅(gui)(gui)(gui)。硅(gui)(gui)(gui)是(shi)電(dian)子(zi)(zi)工(gong)(gong)業超純(chun)(chun)硅(gui)(gui)(gui)的(de)(de)(de)(de)(de)原料(liao),超純(chun)(chun)半導體(ti)單晶(jing)硅(gui)(gui)(gui)做的(de)(de)(de)(de)(de)電(dian)子(zi)(zi)器(qi)件(jian)(jian)具(ju)(ju)有(you)體(ti)積小(xiao)(xiao)、重量(liang)輕、可靠性好和壽命長等(deng)優(you)點。摻有(you)特定微(wei)(wei)量(liang)雜(za)質(zhi)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)單晶(jing)制(zhi)(zhi)成(cheng)的(de)(de)(de)(de)(de)大(da)功率晶(jing)體(ti)管(guan)、整(zheng)流器(qi)及太陽能電(dian)池,比用(yong)(yong)鍺單晶(jing)制(zhi)(zhi)成(cheng)的(de)(de)(de)(de)(de)好。非晶(jing)硅(gui)(gui)(gui)太陽能電(dian)池研(yan)究進展很快,轉換(huan)率達(da)到了8%以(yi)(yi)上(shang)(shang)(shang)。硅(gui)(gui)(gui)鉬棒電(dian)熱元(yuan)件(jian)(jian)使(shi)用(yong)(yong)溫(wen)度(du)可達(da)1700℃,具(ju)(ju)有(you)電(dian)阻(zu)不(bu)(bu)易老(lao)化(hua)(hua)和良好的(de)(de)(de)(de)(de)抗(kang)氧(yang)化(hua)(hua)性能。用(yong)(yong)硅(gui)(gui)(gui)生產的(de)(de)(de)(de)(de)三氯氫硅(gui)(gui)(gui),可配(pei)制(zhi)(zhi)幾(ji)百種(zhong)(zhong)(zhong)硅(gui)(gui)(gui)樹脂潤(run)滑劑和防水(shui)化(hua)(hua)合(he)物等(deng)。此(ci)外,碳化(hua)(hua)硅(gui)(gui)(gui)可作(zuo)磨料(liao),高(gao)純(chun)(chun)氧(yang)化(hua)(hua)硅(gui)(gui)(gui)制(zhi)(zhi)作(zuo)的(de)(de)(de)(de)(de)石英管(guan)是(shi)高(gao)純(chun)(chun)金屬冶(ye)煉(lian)及照(zhao)明(ming)燈具(ju)(ju)的(de)(de)(de)(de)(de)重要材料(liao)。八十(shi)年(nian)(nian)代的(de)(de)(de)(de)(de)紙張(zhang)——硅(gui)(gui)(gui)人們稱硅(gui)(gui)(gui)為“八十(shi)年(nian)(nian)代的(de)(de)(de)(de)(de)紙張(zhang)”。這是(shi)因為紙張(zhang)只(zhi)能記(ji)錄信(xin)(xin)息(xi)(xi)(xi),而(er)硅(gui)(gui)(gui)不(bu)(bu)僅能記(ji)載信(xin)(xin)息(xi)(xi)(xi),還能對信(xin)(xin)息(xi)(xi)(xi)進行(xing)處理加工(gong)(gong)以(yi)(yi)獲得新的(de)(de)(de)(de)(de)信(xin)(xin)息(xi)(xi)(xi)。1945年(nian)(nian)制(zhi)(zhi)造的(de)(de)(de)(de)(de)世界上(shang)(shang)(shang)電(dian)子(zi)(zi)計算(suan)機(ji),裝有(you)18000個(ge)電(dian)子(zi)(zi)管(guan)、70000只(zhi)電(dian)阻(zu)、10000只(zhi)電(dian)容,整(zheng)個(ge)機(ji)器(qi)重30噸,占地170平方米,相(xiang)當于(yu)(yu)10間房子(zi)(zi)大(da)小(xiao)(xiao)。而(er)今天的(de)(de)(de)(de)(de)電(dian)子(zi)(zi)計算(suan)機(ji),由于(yu)(yu)技術的(de)(de)(de)(de)(de)進步和材質(zhi)的(de)(de)(de)(de)(de)改善,在一個(ge)指甲蓋(gai)大(da)小(xiao)(xiao)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)片上(shang)(shang)(shang),可以(yi)(yi)容納上(shang)(shang)(shang)萬個(ge)晶(jing)體(ti)管(guan);并(bing)且有(you)輸(shu)入(ru)、輸(shu)出、運算(suan)、存儲和控制(zhi)(zhi)信(xin)(xin)息(xi)(xi)(xi)等(deng)一系列功能。微(wei)(wei)孔(kong)硅(gui)(gui)(gui)鈣保溫(wen)材料(liao)微(wei)(wei)孔(kong)硅(gui)(gui)(gui)鈣保溫(wen)材料(liao)是(shi)一種(zhong)(zhong)(zhong)優(you)良的(de)(de)(de)(de)(de)保溫(wen)材料(liao)。它具(ju)(ju)有(you)熱容量(liang)小(xiao)(xiao)、機(ji)械(xie)強度(du)高(gao)、導熱系數低、不(bu)(bu)燃燒(shao)、無毒無味、可切割、運輸(shu)方便(bian)等(deng)特點,可廣泛用(yong)(yong)于(yu)(yu)冶(ye)金、電(dian)力、化(hua)(hua)工(gong)(gong)、船舶等(deng)各種(zhong)(zhong)(zhong)熱力設備及管(guan)道上(shang)(shang)(shang)。經測試,節能效益優(you)于(yu)(yu)石棉、水(shui)泥、蛭石和水(shui)泥珍珠巖等(deng)保溫(wen)材料(liao)。特種(zhong)(zhong)(zhong)硅(gui)(gui)(gui)鈣材料(liao)可用(yong)(yong)作(zuo)催化(hua)(hua)劑載體(ti),在石油煉(lian)制(zhi)(zhi)、汽車尾(wei)氣凈化(hua)(hua)等(deng)多方面廣泛應用(yong)(yong)。
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 |