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泡沫陶瓷材料是什么呢?

发布(bu)时间:2021-10-30

浏览(lan)次数:275

 泡沫陶瓷材是(shi)(shi)什(shen)么呢?它的(de)(de)制作工(gong)艺是(shi)(shi)怎么样(yang)的(de)(de)呢?关于(yu)(yu)很(hen)多(duo)问题(ti),小(xiao)编(bian)很(hen)好奇,现在小(xiao)编(bian)在江苏(su)和腾热工(gong)装备科(ke)技有(you)限(xian)公司充分(fen)了解这个材料主要是(shi)(shi)干(gan)嘛(ma)的(de)(de),关于(yu)(yu)它的(de)(de)好多(duo)知识小(xiao)编(bian)好像和您一(yi)起分(fen)享!下面随小(xiao)编(bian)一(yi)起去看(kan)看(kan)吧!

 泡沫陶瓷是一(yi)(yi)种(zhong)(zhong)经高温烧成(cheng)、内部具有大(da)(da)量均匀分布气(qi)(qi)孔(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)材(cai)料(liao),具有低(di)(di)密(mi)度、抗腐蚀、耐高温及良好的(de)(de)(de)(de)(de)隔(ge)(ge)热性(xing)(xing)能等(deng)优点,主(zhu)要(yao)分为开孔(kong)(kong)(kong)(kong)和闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)两(liang)种(zhong)(zhong)。其(qi)中(zhong)(zhong)(zhong)开孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)已经广泛应用(yong)于(yu)冶金、化(hua)工、环保、能源、生物(wu)等(deng)领域(yu),甚(shen)至扩展到了航空航天、电子、医用(yong)材(cai)料(liao)及生物(wu)化(hua)学等(deng)领域(yu);而(er)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)中(zhong)(zhong)(zhong)闭(bi)口气(qi)(qi)孔(kong)(kong)(kong)(kong)能降低(di)(di)材(cai)料(liao)的(de)(de)(de)(de)(de)发热效(xiao)率(lv),减少热传递(di)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)对(dui)流,从而(er)使泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)具有热传导(dao)率(lv)低(di)(di)的(de)(de)(de)(de)(de)优良性(xing)(xing)能,成(cheng)为一(yi)(yi)种(zhong)(zhong)理想的(de)(de)(de)(de)(de)轻(qing)质(zhi)耐侵蚀隔(ge)(ge)热耐火材(cai)料(liao)。制(zhi)(zhi)备(bei)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)的(de)(de)(de)(de)(de)主(zhu)要(yao)方法(fa)有两(liang)种(zhong)(zhong):一(yi)(yi)种(zhong)(zhong)添加(jia)造孔(kong)(kong)(kong)(kong)剂,二是添加(jia)发泡(pao)(pao)(pao)剂。其(qi)中(zhong)(zhong)(zhong)发泡(pao)(pao)(pao)剂可(ke)以(yi)制(zhi)(zhi)备(bei)出形(xing)状复杂的(de)(de)(de)(de)(de)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci),以(yi)满(man)足(zu)一(yi)(yi)些特殊场合的(de)(de)(de)(de)(de)应用(yong)需求,主(zhu)要(yao)原理是在陶(tao)瓷(ci)(ci)(ci)(ci)(ci)原料(liao)中(zhong)(zhong)(zhong)加(jia)入适当的(de)(de)(de)(de)(de)发泡(pao)(pao)(pao)剂,通过(guo)化(hua)学反应产(chan)生气(qi)(qi)体不逸出从而(er)产(chan)生闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)。发泡(pao)(pao)(pao)剂法(fa)制(zhi)(zhi)备(bei)的(de)(de)(de)(de)(de)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)气(qi)(qi)孔(kong)(kong)(kong)(kong)率(lv)较(jiao)高,可(ke)制(zhi)(zhi)备(bei)出各种(zhong)(zhong)孔(kong)(kong)(kong)(kong)径(jing)大(da)(da)小和形(xing)状的(de)(de)(de)(de)(de)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci),但(dan)是在制(zhi)(zhi)备(bei)过(guo)程中(zhong)(zhong)(zhong)各个工艺参数难以(yi)控制(zhi)(zhi),产(chan)品(pin)一(yi)(yi)致性(xing)(xing)较(jiao)差(cha)。采(cai)用(yong)造孔(kong)(kong)(kong)(kong)剂法(fa)制(zhi)(zhi)备(bei)的(de)(de)(de)(de)(de)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)气(qi)(qi)孔(kong)(kong)(kong)(kong)率(lv)相(xiang)对(dui)较(jiao)低(di)(di),但(dan)其(qi)气(qi)(qi)孔(kong)(kong)(kong)(kong)大(da)(da)小可(ke)控且均匀性(xing)(xing)很高,产(chan)品(pin)质(zhi)量稳定,成(cheng)品(pin)率(lv)高。目(mu)前国(guo)内出现的(de)(de)(de)(de)(de)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)主(zhu)要(yao)有两(liang)种(zhong)(zhong)材(cai)质(zhi),一(yi)(yi)种(zhong)(zhong)是中(zhong)(zhong)(zhong)铝质(zhi)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci),一(yi)(yi)种(zhong)(zhong)是石英质(zhi)闭(bi)孔(kong)(kong)(kong)(kong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci),这两(liang)种(zhong)(zhong)泡(pao)(pao)(pao)沫(mo)(mo)(mo)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)都比(bi)较(jiao)容易烧结成(cheng)型,然而(er)受原料(liao)性(xing)(xing)能影响,最高使用(yong)温度只能达(da)到1500℃,无法(fa)满(man)足(zu)特种(zhong)(zhong)陶(tao)瓷(ci)(ci)(ci)(ci)(ci)、工业陶(tao)瓷(ci)(ci)(ci)(ci)(ci)、蓝宝石单晶退(tui)货等(deng)工业生产(chan)要(yao)求。

我们新研制的泡沫陶瓷新材料,耐温可高达(da)1800℃,强度(du)高、抗侵蚀(shi)性(xing)好、寿命长(zhang)、轻质节能,目前已规模化生产。

新材料-大板-1_副本.jpg

  总之,泡沫陶瓷材料应用的领域很多,在很多领域都很重(zhong)要!






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