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      全黄激性性视频尚爱网,99热精国产这里只有精品,91区国产福利在线观看午夜,国产好看的av在线播放

      優(yōu)質(zhì)鋯粉
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      Jinzhou Institute of Metal Materials

      Company: Jinzhou Metal Materials Research Institute Company

      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department: 0416-4593067

      0416-4676672

      0416-4593078

      0416-4677283

      Foreign Trade Department Tel: 0416-4675064

      Email address: seller@jzmm.com

      Fax: 0416-4675615

      Zip code: 121001

      Company website: m.86833zr.com/en


      氧化鋯粉的成型介紹

      2018-04-16
      Times

          氧化鋯粉的成型介紹:

         干壓成型對(duì)模具質(zhì)量要求較高,首先要求模具硬度達(dá)到一定的要求。由于ZrO2 穩(wěn)定料的顆粒很細(xì),流動(dòng)性差,因而對(duì)模具的光潔度要求很高,若光潔度達(dá)不到要求,則干壓時(shí)影響料的流動(dòng),從而導(dǎo)致分層的出現(xiàn)。同時(shí),若模具配合不好,間隙大,則由于ZrO2 粉料顆粒細(xì),壓制時(shí)粉料會(huì)從模具間隙中流出,從而造成模具四周的粉料少,這樣壓制時(shí)四周就不能壓實(shí),從而會(huì)因壓力傳遞不一致而出現(xiàn)分層,故對(duì)模具的配合要求較高。   

         成型壓力成型壓力在ZrO2干壓成型過程中是較關(guān)鍵的,壓力太小和太大都不能壓制出理想的坯體。壓力太小,則燒后產(chǎn)品的密度小,產(chǎn)品收縮大,坯體壓實(shí)程度不夠容 易出現(xiàn)分層;而壓力太大,坯體也容易出現(xiàn)裂紋、分層和脫模困難等現(xiàn)象。合適的成型壓力需要通過生產(chǎn)實(shí)踐來摸索。

      氧化鋯粉

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      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department Tel: 0416-4593067/4676672 Email: seller@jzmm.com Company website: official zip code: 121001


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