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硅(gui)大量(liang)用(yong)于(yu)冶煉(lian)成(cheng)硅(gui)鐵合金(jin)(jin)(jin)(jin)作(zuo)鋼鐵工(gong)業中(zhong)合金(jin)(jin)(jin)(jin)元素,在(zai)很(hen)多種(zhong)金(jin)(jin)(jin)(jin)屬(shu)冶煉(lian)中(zhong)作(zuo)還原劑。硅(gui)還是鋁合金(jin)(jin)(jin)(jin)中(zhong)的(de)(de)(de)(de)良(liang)好組元,絕大多數(shu)鑄造鋁合金(jin)(jin)(jin)(jin)都(dou)含有(you)(you)硅(gui)。硅(gui)是電(dian)(dian)子(zi)(zi)工(gong)業超純(chun)硅(gui)的(de)(de)(de)(de)原料(liao),超純(chun)半(ban)導體(ti)單(dan)(dan)晶硅(gui)做的(de)(de)(de)(de)電(dian)(dian)子(zi)(zi)器件具(ju)有(you)(you)體(ti)積小、重量(liang)輕、可(ke)靠性好和壽命長等(deng)(deng)優點(dian)。摻有(you)(you)特定微量(liang)雜(za)質的(de)(de)(de)(de)硅(gui)單(dan)(dan)晶制(zhi)(zhi)(zhi)成(cheng)的(de)(de)(de)(de)大功(gong)率晶體(ti)管、整流器及太陽能(neng)電(dian)(dian)池,比用(yong)鍺單(dan)(dan)晶制(zhi)(zhi)(zhi)成(cheng)的(de)(de)(de)(de)好。非晶硅(gui)太陽能(neng)電(dian)(dian)池研究進展很(hen)快,轉換率達(da)到了8%以上(shang)(shang)。硅(gui)鉬(mu)棒電(dian)(dian)熱(re)(re)元件使用(yong)溫(wen)度(du)可(ke)達(da)1700℃,具(ju)有(you)(you)電(dian)(dian)阻不易老化(hua)(hua)和良(liang)好的(de)(de)(de)(de)抗(kang)氧(yang)化(hua)(hua)性能(neng)。用(yong)硅(gui)生產的(de)(de)(de)(de)三氯氫硅(gui),可(ke)配制(zhi)(zhi)(zhi)幾百種(zhong)硅(gui)樹脂(zhi)潤滑(hua)劑和防(fang)水化(hua)(hua)合物等(deng)(deng)。此外(wai),碳化(hua)(hua)硅(gui)可(ke)作(zuo)磨(mo)料(liao),高(gao)(gao)(gao)純(chun)氧(yang)化(hua)(hua)硅(gui)制(zhi)(zhi)(zhi)作(zuo)的(de)(de)(de)(de)石英管是高(gao)(gao)(gao)純(chun)金(jin)(jin)(jin)(jin)屬(shu)冶煉(lian)及照明燈(deng)具(ju)的(de)(de)(de)(de)重要材(cai)(cai)料(liao)。八十(shi)年代的(de)(de)(de)(de)紙張(zhang)——硅(gui)人們(men)稱(cheng)硅(gui)為(wei)“八十(shi)年代的(de)(de)(de)(de)紙張(zhang)”。這是因(yin)為(wei)紙張(zhang)只(zhi)能(neng)記錄信(xin)息(xi)(xi),而硅(gui)不僅能(neng)記載信(xin)息(xi)(xi),還能(neng)對信(xin)息(xi)(xi)進行處(chu)理加工(gong)以獲得新的(de)(de)(de)(de)信(xin)息(xi)(xi)。1945年制(zhi)(zhi)(zhi)造的(de)(de)(de)(de)世界上(shang)(shang)電(dian)(dian)子(zi)(zi)計(ji)算機(ji),裝有(you)(you)18000個(ge)電(dian)(dian)子(zi)(zi)管、70000只(zhi)電(dian)(dian)阻、10000只(zhi)電(dian)(dian)容(rong),整個(ge)機(ji)器重30噸(dun),占地170平方(fang)米(mi),相(xiang)當(dang)于(yu)10間房子(zi)(zi)大小。而今天的(de)(de)(de)(de)電(dian)(dian)子(zi)(zi)計(ji)算機(ji),由于(yu)技(ji)術的(de)(de)(de)(de)進步和材(cai)(cai)質的(de)(de)(de)(de)改(gai)善,在(zai)一(yi)個(ge)指甲蓋大小的(de)(de)(de)(de)硅(gui)片(pian)上(shang)(shang),可(ke)以容(rong)納上(shang)(shang)萬個(ge)晶體(ti)管;并且有(you)(you)輸(shu)入(ru)、輸(shu)出、運(yun)算、存儲和控制(zhi)(zhi)(zhi)信(xin)息(xi)(xi)等(deng)(deng)一(yi)系列功(gong)能(neng)。微孔硅(gui)鈣保(bao)溫(wen)材(cai)(cai)料(liao)微孔硅(gui)鈣保(bao)溫(wen)材(cai)(cai)料(liao)是一(yi)種(zhong)優良(liang)的(de)(de)(de)(de)保(bao)溫(wen)材(cai)(cai)料(liao)。它具(ju)有(you)(you)熱(re)(re)容(rong)量(liang)小、機(ji)械(xie)強度(du)高(gao)(gao)(gao)、導熱(re)(re)系數(shu)低(di)、不燃燒(shao)、無(wu)毒無(wu)味、可(ke)切割(ge)、運(yun)輸(shu)方(fang)便等(deng)(deng)特點(dian),可(ke)廣(guang)泛(fan)用(yong)于(yu)冶金(jin)(jin)(jin)(jin)、電(dian)(dian)力、化(hua)(hua)工(gong)、船(chuan)舶等(deng)(deng)各種(zhong)熱(re)(re)力設備及管道(dao)上(shang)(shang)。經測試,節能(neng)效(xiao)益優于(yu)石棉(mian)、水泥、蛭石和水泥珍珠巖等(deng)(deng)保(bao)溫(wen)材(cai)(cai)料(liao)。特種(zhong)硅(gui)鈣材(cai)(cai)料(liao)可(ke)用(yong)作(zuo)催化(hua)(hua)劑載體(ti),在(zai)石油(you)煉(lian)制(zhi)(zhi)(zhi)、汽車尾氣凈化(hua)(hua)等(deng)(deng)多方(fang)面廣(guang)泛(fan)應(ying)用(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 |