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Dab tsi yog txhuas titanate

May 22, 2020

Aluminium titanate ceramics muaj rau orthorhombic quasi-brookite muaju. Qhov nruab nrab thermal nthuav coefficient yog 9.5E-6 / ℃, uas yog cov khoom paub zoo uas muaj cov khoom siv thermal expansion tsawg.

Aluminium titanate yuav tsis qhia tawm devitrification thaum rov siv dua thiab siv sijhawm ntev, thiab tuaj yeem siv qhov kub dua (1460 ℃), Nws kuj tuaj yeem hloov kho qhov teeb meem oxidation ntawm qhov kub, yog li nws muaj cov ntawv thov dav, tab sis nws yog yooj yim tawg thaum calcined ntawm qhov kub, thiab nws cov khoom siv dag zog tsis zoo.

Tsis tas li ntawd, txhuas titanate tau yooj yim decomposed rau hauv oxides thaum rhuab ntawm 800-1300 ° C, thiab decomposes tsausmuag ntawm 1100 ° C. Vim li no, ntau cov tshuaj ntxiv feem ntau ntxiv, cov khoom siv raw sib xyaw tau hloov kho, thiab qhov kev tiv thaiv calcination yog tswj tau. txhawm rau txhim kho cov teeb meem saum toj no. Cov khoom tiav yog siv los ua kom tau raws li qhov xav tau ntawm tshav kub ua hauj thiab thermal poob siab tsis kam.


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