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硅(gui)(gui)(gui)(gui)大(da)量用(yong)于冶煉成硅(gui)(gui)(gui)(gui)鐵(tie)合(he)(he)金作(zuo)(zuo)鋼鐵(tie)工業(ye)中(zhong)合(he)(he)金元(yuan)素,在很多種(zhong)金屬冶煉中(zhong)作(zuo)(zuo)還原劑(ji)。硅(gui)(gui)(gui)(gui)還是(shi)(shi)鋁合(he)(he)金中(zhong)的(de)(de)(de)(de)良(liang)(liang)好組元(yuan),絕大(da)多數鑄造(zao)鋁合(he)(he)金都含有(you)(you)硅(gui)(gui)(gui)(gui)。硅(gui)(gui)(gui)(gui)是(shi)(shi)電(dian)(dian)子工業(ye)超純(chun)(chun)硅(gui)(gui)(gui)(gui)的(de)(de)(de)(de)原料(liao),超純(chun)(chun)半導體單晶(jing)(jing)硅(gui)(gui)(gui)(gui)做(zuo)的(de)(de)(de)(de)電(dian)(dian)子器(qi)件具有(you)(you)體積(ji)小、重(zhong)量輕(qing)、可(ke)(ke)(ke)靠(kao)性(xing)好和(he)(he)(he)壽命長等(deng)優(you)點。摻有(you)(you)特(te)定微量雜(za)質(zhi)的(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)單晶(jing)(jing)制(zhi)(zhi)成的(de)(de)(de)(de)大(da)功(gong)(gong)率(lv)晶(jing)(jing)體管(guan)、整(zheng)流器(qi)及太陽能(neng)(neng)(neng)(neng)電(dian)(dian)池,比用(yong)鍺單晶(jing)(jing)制(zhi)(zhi)成的(de)(de)(de)(de)好。非晶(jing)(jing)硅(gui)(gui)(gui)(gui)太陽能(neng)(neng)(neng)(neng)電(dian)(dian)池研究進(jin)展很快,轉(zhuan)換率(lv)達(da)到了(le)8%以上(shang)。硅(gui)(gui)(gui)(gui)鉬棒電(dian)(dian)熱(re)元(yuan)件使用(yong)溫(wen)(wen)度可(ke)(ke)(ke)達(da)1700℃,具有(you)(you)電(dian)(dian)阻不(bu)易老化(hua)和(he)(he)(he)良(liang)(liang)好的(de)(de)(de)(de)抗氧(yang)化(hua)性(xing)能(neng)(neng)(neng)(neng)。用(yong)硅(gui)(gui)(gui)(gui)生產的(de)(de)(de)(de)三氯氫(qing)硅(gui)(gui)(gui)(gui),可(ke)(ke)(ke)配制(zhi)(zhi)幾百種(zhong)硅(gui)(gui)(gui)(gui)樹脂潤(run)滑劑(ji)和(he)(he)(he)防水化(hua)合(he)(he)物等(deng)。此外,碳(tan)化(hua)硅(gui)(gui)(gui)(gui)可(ke)(ke)(ke)作(zuo)(zuo)磨料(liao),高純(chun)(chun)氧(yang)化(hua)硅(gui)(gui)(gui)(gui)制(zhi)(zhi)作(zuo)(zuo)的(de)(de)(de)(de)石(shi)(shi)英管(guan)是(shi)(shi)高純(chun)(chun)金屬冶煉及照明燈(deng)具的(de)(de)(de)(de)重(zhong)要材(cai)料(liao)。八(ba)十年代的(de)(de)(de)(de)紙(zhi)張(zhang)——硅(gui)(gui)(gui)(gui)人們稱硅(gui)(gui)(gui)(gui)為(wei)“八(ba)十年代的(de)(de)(de)(de)紙(zhi)張(zhang)”。這是(shi)(shi)因為(wei)紙(zhi)張(zhang)只(zhi)能(neng)(neng)(neng)(neng)記錄信(xin)(xin)息(xi),而(er)硅(gui)(gui)(gui)(gui)不(bu)僅能(neng)(neng)(neng)(neng)記載信(xin)(xin)息(xi),還能(neng)(neng)(neng)(neng)對信(xin)(xin)息(xi)進(jin)行處理加(jia)工以獲得(de)新(xin)的(de)(de)(de)(de)信(xin)(xin)息(xi)。1945年制(zhi)(zhi)造(zao)的(de)(de)(de)(de)世(shi)界上(shang)電(dian)(dian)子計(ji)(ji)算(suan)機(ji),裝(zhuang)有(you)(you)18000個(ge)(ge)電(dian)(dian)子管(guan)、70000只(zhi)電(dian)(dian)阻、10000只(zhi)電(dian)(dian)容(rong),整(zheng)個(ge)(ge)機(ji)器(qi)重(zhong)30噸,占地(di)170平方米,相當(dang)于10間房子大(da)小。而(er)今天的(de)(de)(de)(de)電(dian)(dian)子計(ji)(ji)算(suan)機(ji),由(you)于技術的(de)(de)(de)(de)進(jin)步和(he)(he)(he)材(cai)質(zhi)的(de)(de)(de)(de)改善,在一(yi)個(ge)(ge)指甲蓋大(da)小的(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)片上(shang),可(ke)(ke)(ke)以容(rong)納(na)上(shang)萬個(ge)(ge)晶(jing)(jing)體管(guan);并且有(you)(you)輸入、輸出(chu)、運算(suan)、存儲和(he)(he)(he)控制(zhi)(zhi)信(xin)(xin)息(xi)等(deng)一(yi)系列功(gong)(gong)能(neng)(neng)(neng)(neng)。微孔(kong)硅(gui)(gui)(gui)(gui)鈣保溫(wen)(wen)材(cai)料(liao)微孔(kong)硅(gui)(gui)(gui)(gui)鈣保溫(wen)(wen)材(cai)料(liao)是(shi)(shi)一(yi)種(zhong)優(you)良(liang)(liang)的(de)(de)(de)(de)保溫(wen)(wen)材(cai)料(liao)。它具有(you)(you)熱(re)容(rong)量小、機(ji)械強度高、導熱(re)系數低、不(bu)燃燒、無毒無味、可(ke)(ke)(ke)切割、運輸方便等(deng)特(te)點,可(ke)(ke)(ke)廣泛用(yong)于冶金、電(dian)(dian)力、化(hua)工、船舶等(deng)各種(zhong)熱(re)力設備及管(guan)道上(shang)。經(jing)測試,節能(neng)(neng)(neng)(neng)效(xiao)益優(you)于石(shi)(shi)棉、水泥、蛭石(shi)(shi)和(he)(he)(he)水泥珍珠巖等(deng)保溫(wen)(wen)材(cai)料(liao)。特(te)種(zhong)硅(gui)(gui)(gui)(gui)鈣材(cai)料(liao)可(ke)(ke)(ke)用(yong)作(zuo)(zuo)催(cui)化(hua)劑(ji)載體,在石(shi)(shi)油煉制(zhi)(zhi)、汽(qi)車尾氣凈化(hua)等(deng)多方面(mian)廣泛應用(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 |