申請號: 201711303629.3

申請日: 2017.12.11

國家/省市:中國山西(14)

公開號: 107876777A

公開日: 2018.04.06

主分類號:B22F 3/14(2006.01)

分類號: B22F 3/14(2006.01); B22F 3/24(2006.01); B22F 5/00(2006.01); C22C 21/00(2006.01); C22C 32/00(2006.01)

申請人: 太原理工大學

發明人: 陳洪勝; 張(zhang)宇陽; 王文先; 王晉(jin)鳳; 劉(liu)瑞峰; 張(zhang)媛琦

代理人: 朱源

代理(li)機構:太原科衛專(zhuan)利事務所（普通合(he)伙）(14100)

申請人地址:山西(xi)省太原(yuan)市(shi)迎澤西(xi)大街(jie)79號

摘要： 本發明涉及一種屏蔽中子用復合材料筒形件的制備方法，具體為核反應堆屏蔽中子用復合材料筒形件的制備方法。解決碳化硼顆(ke)粒鋁基(ji)復(fu)(fu)(fu)合(he)材(cai)(cai)料(liao)(liao)板材(cai)(cai)通過卷制(zhi)焊(han)接(jie)工(gong)藝(yi)制(zhi)備筒(tong)形(xing)(xing)件，焊(han)接(jie)接(jie)頭(tou)的力學(xue)性(xing)(xing)能(neng)和中子吸(xi)收性(xing)(xing)能(neng)降(jiang)低的問題。本(ben)發明采用(yong)高能(neng)脈沖電流燒結的方(fang)法制(zhi)備碳(tan)化硼顆(ke)粒鋁合(he)金基(ji)復(fu)(fu)(fu)合(he)材(cai)(cai)料(liao)(liao)，采用(yong)強力旋(xuan)壓(ya)的方(fang)法對機械加工(gong)后的碳(tan)化硼顆(ke)粒鋁合(he)金基(ji)復(fu)(fu)(fu)合(he)材(cai)(cai)料(liao)(liao)坯料(liao)(liao)進行多道次的旋(xuan)壓(ya)成(cheng)形(xing)(xing)，最終旋(xuan)壓(ya)成(cheng)薄壁(bi)筒(tong)形(xing)(xing)件；避(bi)免(mian)了焊(han)接(jie)過程所(suo)帶來的缺陷(xian)，同時提高了材(cai)(cai)料(liao)(liao)的利用(yong)率，降(jiang)低制(zhi)造(zao)成(cheng)本(ben)，且成(cheng)品力學(xue)性(xing)(xing)能(neng)優異，具有強度(du)和韌性(xing)(xing)高的特點，所(suo)制(zhi)備的成(cheng)品可用(yong)于(yu)乏(fa)燃料(liao)(liao)儲存(cun)及(ji)核(he)電站中筒(tong)形(xing)(xing)屏(ping)蔽體，是先進的制(zhi)備復(fu)(fu)(fu)合(he)材(cai)(cai)料(liao)(liao)筒(tong)形(xing)(xing)件的方(fang)法。

主權利要求

一(yi)種核反應堆(dui)屏蔽(bi)(bi)中(zhong)(zhong)子(zi)用(yong)(yong)(yong)復合(he)材(cai)料(liao)(liao)(liao)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)的(de)(de)(de)(de)(de)(de)(de)制備方(fang)法，其(qi)特征(zheng)在(zai)(zai)(zai)(zai)(zai)于(yu)(yu)是(shi)由如下(xia)(xia)(xia)步驟實現(xian)的(de)(de)(de)(de)(de)(de)(de)：1）確定原料(liao)(liao)(liao)及(ji)(ji)配比(bi)選用(yong)(yong)(yong)6061Al鋁(lv)合(he)金粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)和(he)碳化(hua)(hua)硼(peng)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)，其(qi)中(zhong)(zhong)6061Al鋁(lv)合(he)金粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)：碳化(hua)(hua)硼(peng)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)=9:1；2）制備圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)由圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)主模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)和(he)下(xia)(xia)(xia)墊(dian)(dian)塊、上(shang)(shang)墊(dian)(dian)塊構成；圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)用(yong)(yong)(yong)石墨(mo)材(cai)料(liao)(liao)(liao)制作(zuo)，主模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)型(xing)(xing)腔表(biao)面粗糙(cao)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)Ra0.08-0.16μm，主模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)型(xing)(xing)腔尺寸為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)?30mm×70mm；3）預(yu)氧(yang)(yang)(yang)化(hua)(hua)處理(li)(li)碳化(hua)(hua)硼(peng)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)將(jiang)(jiang)(jiang)碳化(hua)(hua)硼(peng)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)置(zhi)(zhi)于(yu)(yu)石英容器中(zhong)(zhong)，然后(hou)置(zhi)(zhi)于(yu)(yu)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)爐(lu)(lu)(lu)中(zhong)(zhong)進(jin)(jin)行(xing)(xing)預(yu)氧(yang)(yang)(yang)化(hua)(hua)處理(li)(li)，預(yu)氧(yang)(yang)(yang)化(hua)(hua)溫(wen)(wen)度(du)450oC，預(yu)氧(yang)(yang)(yang)化(hua)(hua)時間(jian)30min；4）球(qiu)磨(mo)(mo)混(hun)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)將(jiang)(jiang)(jiang)6061Al鋁(lv)合(he)金粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)和(he)預(yu)氧(yang)(yang)(yang)化(hua)(hua)處理(li)(li)碳化(hua)(hua)硼(peng)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)按9:1的(de)(de)(de)(de)(de)(de)(de)比(bi)例放(fang)入(ru)球(qiu)磨(mo)(mo)罐后(hou)在(zai)(zai)(zai)(zai)(zai)球(qiu)磨(mo)(mo)機中(zhong)(zhong)進(jin)(jin)行(xing)(xing)球(qiu)磨(mo)(mo)混(hun)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)，球(qiu)磨(mo)(mo)機轉數(shu)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)400r/min，球(qiu)磨(mo)(mo)混(hun)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)時間(jian)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)60min，球(qiu)磨(mo)(mo)后(hou)成混(hun)合(he)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)；5）裝(zhuang)料(liao)(liao)(liao)將(jiang)(jiang)(jiang)圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)的(de)(de)(de)(de)(de)(de)(de)主模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)置(zhi)(zhi)于(yu)(yu)鋼(gang)質平(ping)板(ban)上(shang)(shang)，將(jiang)(jiang)(jiang)下(xia)(xia)(xia)墊(dian)(dian)塊置(zhi)(zhi)于(yu)(yu)主模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)內(nei)(nei)底部(bu)(bu)，在(zai)(zai)(zai)(zai)(zai)下(xia)(xia)(xia)墊(dian)(dian)塊上(shang)(shang)部(bu)(bu)鋪設第(di)(di)(di)一(yi)石墨(mo)紙(zhi)(zhi)，稱取混(hun)合(he)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)100g，置(zhi)(zhi)于(yu)(yu)第(di)(di)(di)一(yi)石墨(mo)紙(zhi)(zhi)上(shang)(shang)部(bu)(bu)；在(zai)(zai)(zai)(zai)(zai)混(hun)合(he)粉(fen)(fen)(fen)(fen)(fen)(fen)(fen)上(shang)(shang)部(bu)(bu)鋪設第(di)(di)(di)二石墨(mo)紙(zhi)(zhi)，在(zai)(zai)(zai)(zai)(zai)第(di)(di)(di)二石墨(mo)紙(zhi)(zhi)上(shang)(shang)部(bu)(bu)置(zhi)(zhi)放(fang)上(shang)(shang)墊(dian)(dian)塊；6）高(gao)能脈(mo)沖(chong)電(dian)流(liu)燒結爐(lu)(lu)(lu)內(nei)(nei)進(jin)(jin)行(xing)(xing)燒結①打(da)開(kai)(kai)高(gao)能脈(mo)沖(chong)電(dian)流(liu)燒結爐(lu)(lu)(lu)，將(jiang)(jiang)(jiang)步驟5）裝(zhuang)好(hao)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)移入(ru)爐(lu)(lu)(lu)腔內(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)下(xia)(xia)(xia)部(bu)(bu)工(gong)(gong)作(zuo)臺(tai)上(shang)(shang)，圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)與爐(lu)(lu)(lu)腔內(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)下(xia)(xia)(xia)部(bu)(bu)工(gong)(gong)作(zuo)臺(tai)垂直，并(bing)由高(gao)能脈(mo)沖(chong)電(dian)流(liu)燒結爐(lu)(lu)(lu)內(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)壓(ya)(ya)(ya)(ya)頭壓(ya)(ya)(ya)(ya)緊圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)，關閉爐(lu)(lu)(lu)門；②開(kai)(kai)啟(qi)水(shui)泵，進(jin)(jin)行(xing)(xing)外水(shui)循(xun)環(huan)冷卻；開(kai)(kai)啟(qi)真空泵，抽取爐(lu)(lu)(lu)內(nei)(nei)空氣，使(shi)(shi)爐(lu)(lu)(lu)內(nei)(nei)壓(ya)(ya)(ya)(ya)強達2Pa，并(bing)恒定；③開(kai)(kai)啟(qi)壓(ya)(ya)(ya)(ya)力電(dian)機，對模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)施壓(ya)(ya)(ya)(ya)，施加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)(ya)(ya)力為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)35MPa；④開(kai)(kai)啟(qi)電(dian)流(liu)放(fang)電(dian)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)器，加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)溫(wen)(wen)度(du)、時間(jian)按三階(jie)(jie)段(duan)進(jin)(jin)行(xing)(xing)；第(di)(di)(di)一(yi)階(jie)(jie)段(duan)：5min，加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)溫(wen)(wen)度(du)從(cong)初(chu)始(shi)值至400oC；第(di)(di)(di)二階(jie)(jie)段(duan)：5min，加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)溫(wen)(wen)度(du)從(cong)400oC上(shang)(shang)升(sheng)至600oC；第(di)(di)(di)三階(jie)(jie)段(duan)：在(zai)(zai)(zai)(zai)(zai)600oC保溫(wen)(wen)10min；⑤停止加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)，停止施壓(ya)(ya)(ya)(ya)，隨爐(lu)(lu)(lu)冷卻至25oC；⑥打(da)開(kai)(kai)高(gao)能脈(mo)沖(chong)電(dian)流(liu)燒結爐(lu)(lu)(lu)，取出(chu)圓(yuan)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)開(kai)(kai)合(he)式(shi)模(mo)(mo)(mo)(mo)具(ju)(ju)(ju)；開(kai)(kai)模(mo)(mo)(mo)(mo)，取出(chu)燒結塊體(ti)(ti)，即(ji)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)碳化(hua)(hua)硼(peng)顆粒(li)鋁(lv)基(ji)復合(he)材(cai)料(liao)(liao)(liao)坯(pi)(pi)料(liao)(liao)(liao)；7）打(da)磨(mo)(mo)及(ji)(ji)潔(jie)(jie)(jie)(jie)(jie)凈(jing)(jing)(jing)處理(li)(li)將(jiang)(jiang)(jiang)碳化(hua)(hua)硼(peng)顆粒(li)鋁(lv)基(ji)復合(he)材(cai)料(liao)(liao)(liao)坯(pi)(pi)料(liao)(liao)(liao)置(zhi)(zhi)于(yu)(yu)鋼(gang)質平(ping)板(ban)上(shang)(shang)，用(yong)(yong)(yong)砂紙(zhi)(zhi)打(da)磨(mo)(mo)周邊及(ji)(ji)正反表(biao)面，使(shi)(shi)其(qi)清(qing)潔(jie)(jie)(jie)(jie)(jie)；然后(hou)用(yong)(yong)(yong)無水(shui)乙醇清(qing)洗(xi)(xi)(xi)，使(shi)(shi)其(qi)潔(jie)(jie)(jie)(jie)(jie)凈(jing)(jing)(jing)；(8)機械(xie)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)將(jiang)(jiang)(jiang)打(da)磨(mo)(mo)及(ji)(ji)潔(jie)(jie)(jie)(jie)(jie)凈(jing)(jing)(jing)處理(li)(li)后(hou)的(de)(de)(de)(de)(de)(de)(de)碳化(hua)(hua)硼(peng)顆粒(li)鋁(lv)基(ji)復合(he)材(cai)料(liao)(liao)(liao)坯(pi)(pi)料(liao)(liao)(liao)進(jin)(jin)行(xing)(xing)機械(xie)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)，即(ji)在(zai)(zai)(zai)(zai)(zai)圓(yuan)柱體(ti)(ti)狀的(de)(de)(de)(de)(de)(de)(de)碳化(hua)(hua)硼(peng)顆粒(li)鋁(lv)基(ji)復合(he)材(cai)料(liao)(liao)(liao)坯(pi)(pi)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)端面中(zhong)(zhong)心(xin)鉆一(yi)個?20mm的(de)(de)(de)(de)(de)(de)(de)軸(zhou)向通孔，形(xing)(xing)(xing)(xing)(xing)成筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)，軸(zhou)向通孔的(de)(de)(de)(de)(de)(de)(de)內(nei)(nei)表(biao)面粗糙(cao)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)Ra0.08-0.16μm；(9)強力旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)成筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)①用(yong)(yong)(yong)無水(shui)乙醇清(qing)洗(xi)(xi)(xi)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)，使(shi)(shi)其(qi)潔(jie)(jie)(jie)(jie)(jie)凈(jing)(jing)(jing)；②將(jiang)(jiang)(jiang)石墨(mo)乳均勻涂覆在(zai)(zai)(zai)(zai)(zai)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)內(nei)(nei)外表(biao)面；③將(jiang)(jiang)(jiang)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)置(zhi)(zhi)于(yu)(yu)電(dian)阻加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)爐(lu)(lu)(lu)內(nei)(nei)進(jin)(jin)行(xing)(xing)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)，加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)溫(wen)(wen)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)380oC±2oC，保溫(wen)(wen)10min；④將(jiang)(jiang)(jiang)強力旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)機的(de)(de)(de)(de)(de)(de)(de)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)主軸(zhou)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)到200oC±2oC，然后(hou)將(jiang)(jiang)(jiang)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)后(hou)的(de)(de)(de)(de)(de)(de)(de)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)安裝(zhuang)在(zai)(zai)(zai)(zai)(zai)強力旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)機的(de)(de)(de)(de)(de)(de)(de)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)主軸(zhou)上(shang)(shang)，進(jin)(jin)行(xing)(xing)第(di)(di)(di)一(yi)道次(ci)(ci)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)變(bian)(bian)形(xing)(xing)(xing)(xing)(xing)量為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)15%，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)主軸(zhou)轉速(su)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)500r/min，旋(xuan)(xuan)(xuan)(xuan)輪(lun)(lun)軸(zhou)向進(jin)(jin)給(gei)速(su)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)150mm/min；⑤將(jiang)(jiang)(jiang)經過第(di)(di)(di)一(yi)道次(ci)(ci)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)進(jin)(jin)行(xing)(xing)第(di)(di)(di)二道次(ci)(ci)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)變(bian)(bian)形(xing)(xing)(xing)(xing)(xing)量為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)15%，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)主軸(zhou)轉速(su)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)500r/min，旋(xuan)(xuan)(xuan)(xuan)輪(lun)(lun)軸(zhou)向進(jin)(jin)給(gei)速(su)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)150mm/min；⑥將(jiang)(jiang)(jiang)經過第(di)(di)(di)二道次(ci)(ci)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)進(jin)(jin)行(xing)(xing)第(di)(di)(di)三道次(ci)(ci)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)變(bian)(bian)形(xing)(xing)(xing)(xing)(xing)量為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)10%，旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)主軸(zhou)轉速(su)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)500r/min，旋(xuan)(xuan)(xuan)(xuan)輪(lun)(lun)軸(zhou)向進(jin)(jin)給(gei)速(su)度(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)(wei)150mm/min；(10)打(da)磨(mo)(mo)、清(qing)洗(xi)(xi)(xi)將(jiang)(jiang)(jiang)旋(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)后(hou)的(de)(de)(de)(de)(de)(de)(de)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)坯(pi)(pi)料(liao)(liao)(liao)置(zhi)(zhi)于(yu)(yu)鋼(gang)質平(ping)板(ban)上(shang)(shang)，用(yong)(yong)(yong)砂紙(zhi)(zhi)打(da)磨(mo)(mo)各面，使(shi)(shi)其(qi)清(qing)潔(jie)(jie)(jie)(jie)(jie)；然后(hou)用(yong)(yong)(yong)無水(shui)乙醇進(jin)(jin)行(xing)(xing)清(qing)洗(xi)(xi)(xi)，使(shi)(shi)其(qi)潔(jie)(jie)(jie)(jie)(jie)凈(jing)(jing)(jing)，得到最終產品——核反應堆(dui)屏蔽(bi)(bi)中(zhong)(zhong)子(zi)用(yong)(yong)(yong)復合(he)材(cai)料(liao)(liao)(liao)筒(tong)(tong)(tong)(tong)形(xing)(xing)(xing)(xing)(xing)件(jian)。