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硅(gui)(gui)(gui)(gui)大(da)(da)量(liang)用于冶煉(lian)成(cheng)(cheng)硅(gui)(gui)(gui)(gui)鐵合(he)金(jin)(jin)作(zuo)鋼鐵工(gong)業中(zhong)合(he)金(jin)(jin)元(yuan)素,在(zai)很(hen)多(duo)種金(jin)(jin)屬冶煉(lian)中(zhong)作(zuo)還(huan)原(yuan)劑(ji)。硅(gui)(gui)(gui)(gui)還(huan)是鋁合(he)金(jin)(jin)中(zhong)的(de)(de)(de)良好(hao)(hao)組元(yuan),絕(jue)大(da)(da)多(duo)數鑄造(zao)鋁合(he)金(jin)(jin)都含有(you)(you)硅(gui)(gui)(gui)(gui)。硅(gui)(gui)(gui)(gui)是電(dian)(dian)(dian)子(zi)(zi)(zi)工(gong)業超純(chun)硅(gui)(gui)(gui)(gui)的(de)(de)(de)原(yuan)料(liao)(liao)(liao),超純(chun)半導體(ti)單(dan)晶(jing)(jing)硅(gui)(gui)(gui)(gui)做的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)器件具(ju)(ju)有(you)(you)體(ti)積(ji)小、重量(liang)輕、可靠性(xing)好(hao)(hao)和壽命長(chang)等(deng)優(you)點。摻有(you)(you)特定微量(liang)雜(za)質的(de)(de)(de)硅(gui)(gui)(gui)(gui)單(dan)晶(jing)(jing)制成(cheng)(cheng)的(de)(de)(de)大(da)(da)功率(lv)晶(jing)(jing)體(ti)管(guan)、整流器及(ji)太陽(yang)能電(dian)(dian)(dian)池,比用鍺單(dan)晶(jing)(jing)制成(cheng)(cheng)的(de)(de)(de)好(hao)(hao)。非(fei)晶(jing)(jing)硅(gui)(gui)(gui)(gui)太陽(yang)能電(dian)(dian)(dian)池研(yan)究進展很(hen)快(kuai),轉換(huan)率(lv)達(da)到(dao)了8%以上(shang)。硅(gui)(gui)(gui)(gui)鉬棒(bang)電(dian)(dian)(dian)熱(re)(re)元(yuan)件使(shi)用溫(wen)(wen)度可達(da)1700℃,具(ju)(ju)有(you)(you)電(dian)(dian)(dian)阻(zu)不(bu)(bu)易老(lao)化(hua)(hua)和良好(hao)(hao)的(de)(de)(de)抗氧化(hua)(hua)性(xing)能。用硅(gui)(gui)(gui)(gui)生產的(de)(de)(de)三(san)氯(lv)氫硅(gui)(gui)(gui)(gui),可配制幾(ji)百種硅(gui)(gui)(gui)(gui)樹脂潤滑(hua)劑(ji)和防水化(hua)(hua)合(he)物等(deng)。此外,碳化(hua)(hua)硅(gui)(gui)(gui)(gui)可作(zuo)磨料(liao)(liao)(liao),高純(chun)氧化(hua)(hua)硅(gui)(gui)(gui)(gui)制作(zuo)的(de)(de)(de)石英(ying)管(guan)是高純(chun)金(jin)(jin)屬冶煉(lian)及(ji)照明燈具(ju)(ju)的(de)(de)(de)重要材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)。八十年代的(de)(de)(de)紙(zhi)張(zhang)——硅(gui)(gui)(gui)(gui)人們稱硅(gui)(gui)(gui)(gui)為“八十年代的(de)(de)(de)紙(zhi)張(zhang)”。這(zhe)是因為紙(zhi)張(zhang)只能記錄信息,而硅(gui)(gui)(gui)(gui)不(bu)(bu)僅能記載(zai)信息,還(huan)能對信息進行(xing)處理加工(gong)以獲得(de)新的(de)(de)(de)信息。1945年制造(zao)的(de)(de)(de)世界上(shang)電(dian)(dian)(dian)子(zi)(zi)(zi)計算(suan)機(ji),裝有(you)(you)18000個電(dian)(dian)(dian)子(zi)(zi)(zi)管(guan)、70000只電(dian)(dian)(dian)阻(zu)、10000只電(dian)(dian)(dian)容(rong),整個機(ji)器重30噸,占(zhan)地170平方米,相當于10間(jian)房(fang)子(zi)(zi)(zi)大(da)(da)小。而今天的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)計算(suan)機(ji),由(you)于技術的(de)(de)(de)進步(bu)和材(cai)(cai)(cai)(cai)質的(de)(de)(de)改善,在(zai)一個指甲蓋大(da)(da)小的(de)(de)(de)硅(gui)(gui)(gui)(gui)片上(shang),可以容(rong)納上(shang)萬(wan)個晶(jing)(jing)體(ti)管(guan);并(bing)且(qie)有(you)(you)輸入、輸出、運算(suan)、存儲和控制信息等(deng)一系列(lie)功能。微孔(kong)(kong)硅(gui)(gui)(gui)(gui)鈣保溫(wen)(wen)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)微孔(kong)(kong)硅(gui)(gui)(gui)(gui)鈣保溫(wen)(wen)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)是一種優(you)良的(de)(de)(de)保溫(wen)(wen)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)。它(ta)具(ju)(ju)有(you)(you)熱(re)(re)容(rong)量(liang)小、機(ji)械(xie)強度高、導熱(re)(re)系數低(di)、不(bu)(bu)燃燒、無毒無味、可切割、運輸方便等(deng)特點,可廣(guang)泛用于冶金(jin)(jin)、電(dian)(dian)(dian)力、化(hua)(hua)工(gong)、船舶(bo)等(deng)各種熱(re)(re)力設備及(ji)管(guan)道上(shang)。經測試,節能效益(yi)優(you)于石棉、水泥、蛭石和水泥珍珠巖等(deng)保溫(wen)(wen)材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)。特種硅(gui)(gui)(gui)(gui)鈣材(cai)(cai)(cai)(cai)料(liao)(liao)(liao)可用作(zuo)催(cui)化(hua)(hua)劑(ji)載(zai)體(ti),在(zai)石油煉(lian)制、汽(qi)車尾氣凈化(hua)(hua)等(deng)多(duo)方面廣(guang)泛應用。
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 |