亚洲AV无码精品蜜桃_国产freesexvideos性中国_97精品久久久久中文字幕_亚洲AV无码一区二区三区网站

歡迎訪(fang)問河北大道金屬(shu)制品(pin)有限(xian)公司
聯系熱線(xian):

13820091020

13820091020

不銹鋼滲鋁工藝技術

2022-06-13

  不銹鋼滲鋁是利(li)用化學反應和(he)物理(li)的(de)辦法(fa)將鋁原子滲透(tou)到建(jian)筑(zhu)鋼材(cai)(cai)表(biao)層(ceng)產生微合金(jin)層(ceng),轉變建(jian)筑(zhu)鋼材(cai)(cai)的(de)表(biao)層(ceng)成分和(he)特(te)(te)性(xing)的(de)熱(re)處理(li)方(fang)法(fa)。不銹鋼滲鋁處理(li)可以(yi)改善建(jian)筑(zhu)鋼材(cai)(cai)耐空氣(qi)氧化特(te)(te)性(xing)、耐蝕性(xing)能和(he)強度,做為(wei)一(yi)類(lei)簡易高效的(de)表(biao)層(ceng)化學反應熱(re)處理(li)方(fang)法(fa)獲得學術研(yan)究的(de)特(te)(te)別關注(zhu)。

  簡(jian)略講(jiang)述了(le)(le)(le)目前常(chang)用(yong)(yong)的(de)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)加工(gong)(gong)工(gong)(gong)藝(yi),如熱浸滲(shen)(shen)(shen)(shen)鋁(lv)(lv)、電(dian)(dian)弧噴涂滲(shen)(shen)(shen)(shen)鋁(lv)(lv)、粉末狀(zhuang)包埋滲(shen)(shen)(shen)(shen)鋁(lv)(lv)、料(liao)漿(jiang)滲(shen)(shen)(shen)(shen)鋁(lv)(lv),歸納了(le)(le)(le)常(chang)用(yong)(yong)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)加工(gong)(gong)工(gong)(gong)藝(yi)的(de)特性(xing)與不(bu)夠(gou),接著講(jiang)述了(le)(le)(le)科研(yan)工(gong)(gong)作人員(yuan)開發(fa)設(she)計出的(de)新(xin)式滲(shen)(shen)(shen)(shen)鋁(lv)(lv)加工(gong)(gong)工(gong)(gong)藝(yi),如機械設(she)備(bei)輔能助滲(shen)(shen)(shen)(shen)鋁(lv)(lv)、電(dian)(dian)場(chang)輔助滲(shen)(shen)(shen)(shen)鋁(lv)(lv)、循環流化(hua)床氣相色譜堆積滲(shen)(shen)(shen)(shen)鋁(lv)(lv)和正離子電(dian)(dian)鍍工(gong)(gong)藝(yi)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)。闡述了(le)(le)(le)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)鋼的(de)超微結(jie)構和滲(shen)(shen)(shen)(shen)層的(de)生長發(fa)育(yu)基本原理,對(dui)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)后的(de)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)鋼具備(bei)耐空(kong)氣氧化(hua)、耐蝕性(xing)能的(de)基本原理實現了(le)(le)(le)探討(tao)表明。末尾,對(dui)滲(shen)(shen)(shen)(shen)鋁(lv)(lv)加工(gong)(gong)工(gong)(gong)藝(yi)的(de)發(fa)展實現了(le)(le)(le)研(yan)究和展望。

  不(bu)銹(xiu)鋼(gang)(gang)滲(shen)(shen)鋁加工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)是(shi)(shi)將部件(jian)(jian)滲(shen)(shen)入700~800℃的(de)(de)熔化鋁液中,隔熱(re)(re)保(bao)溫(wen)3~20min后,取下在空氣(qi)中制冷,再放進600~1050℃自(zi)然(ran)環境中實現熱(re)(re)擴散系數。不(bu)銹(xiu)鋼(gang)(gang)滲(shen)(shen)鋁生(sheng)產工(gong)(gong)(gong)藝(yi)流程為:部件(jian)(jian)表(biao)層(ceng)預備處理(li)(li)(包含去油、防銹(xiu)處理(li)(li))→助鍍→烘(hong)干→熱(re)(re)浸鍍→熱(re)(re)擴散系數滲(shen)(shen)鋁→制冷→檢測品(pin)質。熱(re)(re)浸滲(shen)(shen)鋁加工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)的(de)(de)特點是(shi)(shi)設施(shi)簡(jian)易,滲(shen)(shen)層(ceng)綜合型能(neng)出色,適用于(yu)規模(mo)性和小(xiao)大批量(liang)生(sheng)產;缺(que)陷是(shi)(shi)能(neng)耗高,鋁消耗量(liang)大,浸涂層(ceng)厚(hou)度(du)不(bu)均衡且相對(dui)比較難操縱(zong)。熱(re)(re)浸滲(shen)(shen)鋁鋼(gang)(gang)的(de)(de)使用受高溫(wen)限定,當工(gong)(gong)(gong)作溫(wen)度(du)高過600℃時,不(bu)銹(xiu)鋼(gang)(gang)滲(shen)(shen)鋁表(biao)層(ceng)的(de)(de)純鋁會不(bu)斷向基材蔓延,造成表(biao)層(ceng)抗氧(yang)化能(neng)減少。


相關新聞

推薦產品

  • 滲鋁換熱器
  • 滲鋁直料管
  • 瑪鋼退火罐
  • 滲鋁退火罐
  • 滲鋁鋼構件
  • 滲鋁瑪鋼退火箱