国产成A人片在线观看视频下载_777米奇色狠狠888俺也去_亚洲精华国产精华精华液网站_影视先锋AV资源噜噜

行業動態

聚焦行業動態,洞悉行業發展

真空石墨煅燒爐到底是什么
發布時間:2023-09-09   瀏覽:938次

真空石墨煅(duan)燒爐到底是什么(me)

在材料科學的廣闊天地中,石墨以其獨特的物理和化學性質,占據了舉足輕重的地位。而真空石墨煅燒爐,作為(wei)石墨材料加工的(de)核心設備,更是體現了現代(dai)科技在材料制備領域的(de)精湛工藝和不懈追求。

一、真空石墨煅燒(shao)爐的(de)工作原理

真空(kong)石(shi)墨(mo)煅燒爐(lu),顧名思義,是在(zai)真空(kong)環(huan)境下(xia)對石(shi)墨(mo)進行高(gao)溫處理的設備。其(qi)工作原(yuan)理主(zhu)要基于真空(kong)技術(shu)和(he)(he)高(gao)溫煅燒技術(shu)的結合。在(zai)真空(kong)條件下(xia),石(shi)墨(mo)材料中的雜質(zhi)氣體和(he)(he)水分(fen)能夠得到有效排除,從而提(ti)高(gao)石(shi)墨(mo)的純度(du)。同時(shi),高(gao)溫環(huan)境能夠促使(shi)石(shi)墨(mo)內部(bu)的碳原(yuan)子(zi)進行重排和(he)(he)晶化,進一步提(ti)升其(qi)物(wu)理性能。

石墨煅燒爐2

二、真空石墨(mo)煅燒爐的(de)結(jie)構與特點

真(zhen)空(kong)(kong)(kong)石墨煅燒爐(lu)通常由爐(lu)體(ti)、真(zhen)空(kong)(kong)(kong)系(xi)(xi)統(tong)、加熱(re)系(xi)(xi)統(tong)、冷卻系(xi)(xi)統(tong)和控制系(xi)(xi)統(tong)等(deng)部分組成(cheng)。爐(lu)體(ti)采(cai)(cai)用(yong)高(gao)純度(du)石墨材料制成(cheng),能(neng)夠承受高(gao)溫而不變形;真(zhen)空(kong)(kong)(kong)系(xi)(xi)統(tong)則通過多(duo)級(ji)泵(beng)組實現高(gao)真(zhen)空(kong)(kong)(kong)度(du),保(bao)證爐(lu)內環境的純凈;加熱(re)系(xi)(xi)統(tong)采(cai)(cai)用(yong)電(dian)阻加熱(re)或感應加熱(re)方式,能(neng)夠快速(su)升溫并保(bao)持恒(heng)溫;冷卻系(xi)(xi)統(tong)則確(que)保(bao)爐(lu)體(ti)在煅燒結束后能(neng)夠迅速(su)降溫,提高(gao)生產(chan)效(xiao)率。此外,控制系(xi)(xi)統(tong)采(cai)(cai)用(yong)先(xian)進(jin)的PLC或DCS技術,實現自(zi)動化控制和遠(yuan)程監控,確(que)保(bao)煅燒過程的穩定性和安全性。

三(san)、真空石墨煅(duan)燒爐在材料制備中的(de)應用

真(zhen)空(kong)石(shi)墨(mo)煅(duan)燒爐在石(shi)墨(mo)材料(liao)制備中發(fa)揮(hui)著重要作用。首(shou)先,它可用于生產高純度(du)石(shi)墨(mo),滿足電子、冶金等領(ling)域(yu)對高品(pin)質石(shi)墨(mo)的需求。其次,真(zhen)空(kong)石(shi)墨(mo)煅(duan)燒爐還可用于石(shi)墨(mo)材料(liao)的改(gai)性(xing)處理(li),如制備石(shi)墨(mo)復合(he)材料(liao)、石(shi)墨(mo)泡沫等新型材料(liao),拓展(zhan)石(shi)墨(mo)材料(liao)的應用領(ling)域(yu)。此外,在新能源、航空(kong)航天等領(ling)域(yu),真(zhen)空(kong)石(shi)墨(mo)煅(duan)燒爐也發(fa)揮(hui)著不(bu)可或缺的作用,為高端制造提(ti)供(gong)了堅實的材料(liao)保(bao)障。

四、真空石墨煅燒(shao)爐的技術創新(xin)與挑戰

隨(sui)著(zhu)科(ke)技的(de)不斷進(jin)步(bu),真空(kong)石(shi)墨煅(duan)燒(shao)爐在技術創(chuang)(chuang)新(xin)方面(mian)(mian)也取(qu)得了顯著(zhu)成(cheng)果。例如(ru),通(tong)過(guo)優化爐體(ti)結構和(he)(he)加熱方式(shi),實現了更(geng)高(gao)-效的(de)能(neng)量利(li)用和(he)(he)更(geng)均(jun)勻(yun)的(de)溫度(du)(du)分(fen)布;通(tong)過(guo)引入(ru)先(xian)進(jin)的(de)控制系(xi)統和(he)(he)遠程(cheng)監控技術,提高(gao)了設備的(de)自動(dong)化程(cheng)度(du)(du)和(he)(he)操(cao)作(zuo)便捷性(xing)。然(ran)而,面(mian)(mian)對(dui)日益嚴(yan)格(ge)的(de)環境(jing)保護和(he)(he)能(neng)源消耗(hao)要求,真空(kong)石(shi)墨煅(duan)燒(shao)爐在節能(neng)減排和(he)(he)環保方面(mian)(mian)仍面(mian)(mian)臨挑戰。未來,需要繼續加大研發投入(ru),推動(dong)真空(kong)石(shi)墨煅(duan)燒(shao)爐技術的(de)創(chuang)(chuang)新(xin)和(he)(he)發展。

五、結語

真(zhen)空石(shi)(shi)墨煅燒爐作為石(shi)(shi)墨材料(liao)制備(bei)的(de)(de)(de)關鍵設(she)備(bei),在現代科技和(he)工(gong)業發展中發揮著重要(yao)作用。它(ta)不(bu)僅是材料(liao)科學領(ling)域的(de)(de)(de)瑰(gui)寶,更是推動(dong)科技進步(bu)和(he)工(gong)業升級的(de)(de)(de)重要(yao)力(li)量。我們(men)有理(li)由相信,在不(bu)久的(de)(de)(de)將來,真(zhen)空石(shi)(shi)墨煅燒爐將在更多領(ling)域展現出(chu)其獨(du)特(te)的(de)(de)(de)魅(mei)力(li)和(he)價值。


免責聲明:本站部分圖片和文(wen)字來源于網絡收(shou)集整(zheng)理,僅供(gong)學習交流,版權歸原(yuan)作者所有,并不(bu)代表我站觀點(dian)。本站將(jiang)不(bu)承擔任何法律責任,如(ru)果(guo)有侵犯到您(nin)的權利,請及(ji)時聯系我們刪除(chu)。

相關(guan)推薦

12 August 2019
實驗真空甩帶爐的真空方法

實驗真空甩帶爐的真空方法

  實驗真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)方(fang)法(fa)   因(yin)為(wei)金(jin)屬(shu)工(gong)(gong)件(jian)的(de)(de)(de)(de)(de)(de)(de)加(jia)熱(re)(re)(re)、冷卻等(deng)操(cao)(cao)作(zuo)(zuo),需要(yao)十(shi)幾(ji)(ji)個(ge)甚至幾(ji)(ji)十(shi)個(ge)動(dong)(dong)(dong)(dong)作(zuo)(zuo)來完(wan)成(cheng)。這些動(dong)(dong)(dong)(dong)作(zuo)(zuo)內(nei)(nei)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)(lu)(lu)內(nei)(nei)進(jin)行(xing)(xing),操(cao)(cao)作(zuo)(zuo)人(ren)員(yuan)無法(fa)接近,因(yin)此對真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)電(dian)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)自動(dong)(dong)(dong)(dong)化(hua)程(cheng)度的(de)(de)(de)(de)(de)(de)(de)要(yao)求較(jiao)高。   同時(shi),有些動(dong)(dong)(dong)(dong)作(zuo)(zuo),如(ru)加(jia)熱(re)(re)(re)保(bao)溫結束后(hou),金(jin)屬(shu)工(gong)(gong)件(jian)進(jin)行(xing)(xing)淬(cui)火工(gong)(gong)序(xu)須(xu)六、七個(ge)動(dong)(dong)(dong)(dong)作(zuo)(zuo)并且要(yao)在(zai)15秒鐘以(yi)內(nei)(nei)完(wan)成(cheng)。這樣敏捷(jie)的(de)(de)(de)(de)(de)(de)(de)條件(jian)來完(wan)成(cheng)許多動(dong)(dong)(dong)(dong)作(zuo)(zuo),很容(rong)易(yi)造(zao)成(cheng)操(cao)(cao)作(zuo)(zuo)人(ren)員(yuan)的(de)(de)(de)(de)(de)(de)(de)緊(jin)張而構(gou)成(cheng)誤(wu)操(cao)(cao)作(zuo)(zuo)。因(yin)此,只(zhi)有較(jiao)高的(de)(de)(de)(de)(de)(de)(de)自動(dong)(dong)(dong)(dong)化(hua)才能準(zhun)確、及時(shi)按程(cheng)序(xu)協調。   金(jin)屬(shu)零件(jian)進(jin)行(xing)(xing)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)均在(zai)密(mi)閉的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)內(nei)(nei)進(jin)行(xing)(xing),嚴格的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)密(mi)封眾所周知。因(yin)此,獲得(de)和堅(jian)持爐(lu)(lu)(lu)(lu)(lu)子原定的(de)(de)(de)(de)(de)(de)(de)漏氣率,保(bao)證真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)(zuo)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)度,對確保(bao)零件(jian)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)的(de)(de)(de)(de)(de)(de)(de)質量(liang)有著非常主要(yao)的(de)(de)(de)(de)(de)(de)(de)意義。   所以(yi),真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)一個(ge)關(guan)鍵問題,就是(shi)要(yao)有可靠(kao)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)密(mi)封構(gou)造(zao)。為(wei)了(le)保(bao)證真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)性能,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)熱(re)(re)(re)處(chu)(chu)理(li)(li)爐(lu)(lu)(lu)(lu)(lu)結構(gou)設計中必(bi)須(xu)道循一個(ge)基本原則,就是(shi)爐(lu)(lu)(lu)(lu)(lu)體(ti)要(yao)采(cai)用(yong)(yong)氣密(mi)焊接,同時(shi)在(zai)爐(lu)(lu)(lu)(lu)(lu)體(ti)上盡量(liang)少(shao)開或者(zhe)不開孔,少(shao)采(cai)用(yong)(yong)或者(zhe)避免采(cai)用(yong)(yong)動(dong)(dong)(dong)(dong)密(mi)封結構(gou),以(yi)盡量(liang)減少(shao)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)泄露的(de)(de)(de)(de)(de)(de)(de)機遇。安裝在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)(lu)體(ti)上的(de)(de)(de)(de)(de)(de)(de)部件(jian)、附件(jian)等(deng)如(ru)水冷電(dian)極、熱(re)(re)(re)電(dian)偶(ou)導出裝置也都必(bi)須(xu)設計密(mi)封構(gou)造(zao)。   以(yi)上就是(shi)實驗真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)方(fang)法(fa)。如(ru)果(guo)大(da)家還(huan)有不清楚的(de)(de)(de)(de)(de)(de)(de),歡迎咨詢(xun)。

05 August 2019
真空甩帶爐熔煉介紹

真空甩帶爐熔煉介紹

  真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)介紹(shao)   真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)在(zai)(zai)真(zhen)空(kong)條件下利用(yong)(yong)電(dian)(dian)(dian)弧(hu)(hu)來(lai)加熱和(he)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)金(jin)(jin)屬(shu)的(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)方(fang)法。這種熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)方(fang)法所使用(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)(dian)極(ji)(ji)有自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)和(he)非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)兩種。   自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)是由被(bei)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)材料(liao)(即(ji)爐(lu)(lu)(lu)料(liao))制成(cheng)(cheng),在(zai)(zai)真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)的(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)過程(cheng)中(zhong)它(ta)逐漸(jian)消耗(hao)(hao);而非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)系利用(yong)(yong)鎢等(deng)高熔(rong)(rong)(rong)(rong)(rong)點(dian)材料(liao)制成(cheng)(cheng),在(zai)(zai)爐(lu)(lu)(lu)料(liao)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)過程(cheng)中(zhong)它(ta)基(ji)本上(shang)不消耗(hao)(hao)。采用(yong)(yong)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)的(de)(de)(de)(de)真(zhen)空(kong)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)(lu)(lu)稱(cheng)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)(lu)(lu),簡稱(cheng)自(zi)(zi)(zi)耗(hao)(hao)爐(lu)(lu)(lu);采用(yong)(yong)非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)的(de)(de)(de)(de)真(zhen)空(kong)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)(lu)(lu)稱(cheng)非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)(lu)(lu),簡稱(cheng)非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)爐(lu)(lu)(lu)。   現在(zai)(zai),非(fei)(fei)自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)已較(jiao)少使用(yong)(yong),而自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)大量(liang)應用(yong)(yong)于(yu)生產實踐中(zhong),成(cheng)(cheng)為(wei)(wei)二次重熔(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)主要手段之一。真(zhen)空(kong)電(dian)(dian)(dian)弧(hu)(hu)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)的(de)(de)(de)(de)坩堝(guo)一般用(yong)(yong)銅(tong)(tong)制成(cheng)(cheng),外面(mian)用(yong)(yong)水(shui)冷(leng)(leng)卻,稱(cheng)為(wei)(wei)水(shui)冷(leng)(leng)銅(tong)(tong)結(jie)(jie)晶器(qi)(qi)(qi)。   真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)時,可(ke)(ke)以(yi)將自(zi)(zi)(zi)耗(hao)(hao)電(dian)(dian)(dian)極(ji)(ji)(被(bei)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)材料(liao))接(jie)負極(ji)(ji),水(shui)冷(leng)(leng)銅(tong)(tong)結(jie)(jie)晶器(qi)(qi)(qi)接(jie)正極(ji)(ji),通電(dian)(dian)(dian)后(hou)兩極(ji)(ji)間(jian)產生弧(hu)(hu)光放電(dian)(dian)(dian),將電(dian)(dian)(dian)能轉(zhuan)變成(cheng)(cheng)熱能,產生高溫使材料(liao)熔(rong)(rong)(rong)(rong)(rong)化。熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)過程(cheng)中(zhong)液態(tai)金(jin)(jin)屬(shu)熔(rong)(rong)(rong)(rong)(rong)滴通過高溫弧(hu)(hu)區(qu)后(hou)落入金(jin)(jin)屬(shu)熔(rong)(rong)(rong)(rong)(rong)池,并在(zai)(zai)水(shui)冷(leng)(leng)銅(tong)(tong)結(jie)(jie)晶器(qi)(qi)(qi)內凝(ning)固成(cheng)(cheng)錠(ding)。通過金(jin)(jin)屬(shu)液與氣相(xiang)間(jian)以(yi)及(ji)(ji)熔(rong)(rong)(rong)(rong)(rong)池內發生的(de)(de)(de)(de)一系列物理化學(xue)反應,達到提高金(jin)(jin)屬(shu)的(de)(de)(de)(de)純凈(jing)度(du),改善其結(jie)(jie)晶組(zu)織和(he)性能的(de)(de)(de)(de)目的(de)(de)(de)(de)。   雖然真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)不受大氣、耐火材料(liao)和(he)鑄模等(deng)的(de)(de)(de)(de)沾污;可(ke)(ke)以(yi)去除(chu)鋼(gang)(gang)及(ji)(ji)合(he)(he)(he)金(jin)(jin)中(zhong)的(de)(de)(de)(de)氣體和(he)有害金(jin)(jin)屬(shu)雜質;熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)中(zhong)夾雜物也可(ke)(ke)上(shang)浮去除(chu)一部分(fen),并可(ke)(ke)改善夾雜物在(zai)(zai)合(he)(he)(he)金(jin)(jin)中(zhong)的(de)(de)(de)(de)分(fen)布及(ji)(ji)形(xing)態(tai);水(shui)冷(leng)(leng)銅(tong)(tong)結(jie)(jie)晶器(qi)(qi)(qi)中(zhong)的(de)(de)(de)(de)鋼(gang)(gang)錠(ding)鑄態(tai)組(zu)織比普通鑄錠(ding)為(wei)(wei)好。   但(dan)真(zhen)空(kong)甩(shuai)帶爐(lu)(lu)(lu)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)需預制電(dian)(dian)(dian)極(ji)(ji),且鋼(gang)(gang)錠(ding)表面(mian)較(jiao)差。真(zhen)空(kong)電(dian)(dian)(dian)弧(hu)(hu)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)可(ke)(ke)用(yong)(yong)來(lai)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)鈦(tai)、鋯、鎢、鉬等(deng)活潑金(jin)(jin)屬(shu)、難熔(rong)(rong)(rong)(rong)(rong)金(jin)(jin)屬(shu)以(yi)及(ji)(ji)它(ta)們的(de)(de)(de)(de)合(he)(he)(he)金(jin)(jin),也可(ke)(ke)用(yong)(yong)來(lai)熔(rong)(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)(lian)(lian)高溫合(he)(he)(he)金(jin)(jin)及(ji)(ji)有特殊(shu)用(yong)(yong)途的(de)(de)(de)(de)鋼(gang)(gang)和(he)合(he)(he)(he)金(jin)(jin)。