ozi

Nkesa nha urughuru
Nkesa nke urughuru na-ezo aka na oke (egosipụtara na ọdịnaya pasent) nke ihe dị na kaolin eke n'ime oke nke na-aga n'ihu dị iche iche nha (gopụtara na nha nha nke millimeters ma ọ bụ micrometers).The urughuru size nkesa e ji mara kaolin bụ nke ukwuu pụtara maka selectivity na usoro ngwa nke ores.Ya urughuru size nwere ịrịba mmetụta na ya plasticity, apịtị viscosity, ion mgbanwe ikike, ịkpụzi arụmọrụ, ihicha arụmọrụ, na sintering arụmọrụ.Kaolin ore na-achọ nhazi teknụzụ, yana ma ọ dị mfe ịhazi ya na mma achọrọ abụrụla otu n'ime ụkpụrụ maka ịlele ogo ọla.Onye ọ bụla ụlọ ọrụ ngalaba nwere kpọmkwem urughuru size na fineness chọrọ maka dị iche iche ojiji nke kaolin.Ọ bụrụ na United States chọrọ kaolin kaolin mee ihe dị ka mkpuchi na-erughị 2 μ Ọdịnaya nke m na-enweta 90-95%, na ntinye akwụkwọ na-erughị 2 μ Oke nke m bụ 78-80%.

Plasticity
Ụrọ nke a na-emepụta site na nchikota kaolin na mmiri nwere ike imebi n'okpuru ike mpụga, na mgbe e wepụsịrị ike dị n'èzí, ọ ka nwere ike ịnọgide na-enwe ihe nrụrụ a, nke a na-akpọ plasticity.Plasticity bụ ntọala nke usoro nhazi nke kaolin na ozu seramiiki, ọ bụkwa isi ihe na-egosi usoro a.Ọtụtụ mgbe, a na-eji ihe nrịbama plasticity na ihe ndeksi plastik na-anọchi anya nha plastik.Ndekọ plasticity na-ezo aka na njedebe mmiri mmiri nke kaolin ụrọ ihe na-ewepụ ihe mgbochi rọba dị n'ime mmiri, nke egosipụtara dị ka pasent, ntụgharị W plasticity index=100 (W liquid limit - W plasticity limit).Ndekọ plasticity na-anọchite anya nhazi nke ihe ụrọ kaolin.Enwere ike tụọ ibu na nrụrụ nke bọọlụ ụrọ n'oge mkpakọ na nchikota site na iji mita plasticity, gosipụtara na kg · cm.Ọtụtụ mgbe, ọkwa dị elu nke plasticity index, ka ọdịdị ya dị mma.Enwere ike kewaa plasticity kaolin na ọkwa anọ.

Ike Plasticity index Plasticity index
Plasticity siri ike> 153.6
Ọkara plasticity 7-152.5-3.6
Plasticity adịghị ike 1-7<2.5<br /> Na-abụghị plasticity<1<br /> Mkpakọrịta

Njikọta na-ezo aka n'ikike kaolin iji jikọta ya na ihe ndị na-abụghị plastik iji mepụta nnukwu ụrọ rọba ma nwee ụfọdụ ike ihicha.Mkpebi nke ike njide na-agụnye ịgbakwunye ájá quartz ọkọlọtọ (ya na ihe mejupụtara nke 0.25-0.15 nke nha nha nha nha maka 70% na 0.15-0.09mm nke nha nha nha nha maka 30%) na kaolin.Ọdịnaya ájá kachasị elu mgbe ọ ka nwere ike idowe bọọlụ ụrọ rọba na ike na-agbanwe agbanwe mgbe ihichachara, a na-eji iji chọpụta ịdị elu ya.Ka a na-agbakwụnyekwu ájá, otú ahụ ka ike njikọ nke ala kaolin na-esiwanye ike.Ọtụtụ mgbe, kaolin nwere plasticity siri ike nwekwara ikike ijikọ siri ike.

arụmọrụ ihicha
Ịkpọ nkụ na-ezo aka na arụmọrụ nke apịtị kaolin n'oge usoro ihicha.Nke a na-agụnye mbelata ihicha, ike ihicha, na nghọta ihicha.

Ịkpọ nkụ na-ezo aka na mbelata nke ụrọ kaolin mgbe akpịrị ịkpọ nkụ na nkụ gasịrị.Ụrọ Kaolin n'ozuzu na-enweta mmiri mmiri na ihicha na okpomọkụ sitere na 40-60 ℃ ruo ihe na-erughị 110 ℃.N'ihi nkwụsị nke mmiri, a na-ebelata ihe dịpụrụ adịpụ, na ogologo na olu nke ihe nlele ahụ ga-ebelata.A na-ekewa ihicha shrinkage na linear shrinkage na volumetric shrinkage, nke egosipụtara dị ka pasent nke mgbanwe n'ogologo na olu nke kaolin apịtị mgbe ihicha na ịdị arọ mgbe niile.Na ihicha shrinkage nke kaolin bụ n'ozuzu 3-10%.The mma urughuru size, ibu ibu kpọmkwem n'elu ebe, mma na plasticity, na ukwuu na ihicha shrinkage.Mbelata nke otu ụdị kaolin dị iche iche dabere na oke mmiri agbakwunyere.

Ceramics ọ bụghị naanị nwere ihe siri ike chọrọ maka plasticity, adhesion, ihicha shrinkage, ike ihicha, sintering shrinkage, sintering Njirimara, ọkụ na-eguzogide, na post firing kaolin ọcha, ma na-agụnye kemịkalụ Njirimara, karịsịa ọnụnọ nke chromogenic ọcha dị ka ígwè. titanium, ọla kọpa, chromium, na manganese, nke na-ebelata ịcha ọcha n'ihu ma na-emepụta ntụpọ.

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Oge nzipu: Ọgọst-16-2023