A na-eji Sintered Mullite na Fused Mullite eme ihe maka mmepụta nke refractories na nkedo nke ígwè na Titanium Alloys.

Sintered Mullite corundum chamotte
Mulite
Sintered Mullite70

Nkọwa dị mkpirikpi

A na-ahọrọ Sintered Mullite bụ bauxite dị elu nke okike, site na homogenization multi-level, calcined na ihe karịrị 1750 ℃. A na-eji ya njupụta dị elu nke ukwuu, nkwụsi ike dị mma na-eguzogide okpomọkụ, obere index nke elu okpomọkụ na-akpụ akpụ na ezigbo ọrụ mgbochi corrosion na ihe ndị ọzọ.

N'ụzọ dị oke ụkọ n'ụdị okike ya, a na-emepụta mullite n'ụzọ aka ike maka ụlọ ọrụ site na agbaze ma ọ bụ gbaa alumino-silicate dị iche iche. Njirimara thermo-mechanical pụtara ìhè na nkwụsi ike nke mullite sịntetik na-eme ka ọ bụrụ ihe dị mkpa n'ọtụtụ ngwa mgbagha na ebe a na-emepụta ihe.

Kpọtụrụ ugbu a

Ngwakọta kemịkalụ

Ihe	Chemical Ngwakọta (ụmụ irighiri oke)/%				Nnukwu njupụta g/cm³	Nke pụtara porosity%	Refractoriness ℃	Usoro 3Al2O3.2SiO2 (irighiri oke)/%
Ihe	Al₂O₃	TiO₂	Fe₂O₃	Na₂O+K₂O
SM75	73-77	≤0.5	≤0.5	≤0.2	≥2.90	≤3	180	≥90
SM70-1	69-73	≤0.5	≤0.5	≤0.2	≥2.85	≤3	180	≥90
SM70-2	67-72	≤3.5	≤1.5	≤0.4	≥2.75	≤5	180	≥85
SM60-1	57-62	≤0.5	≤0.5	≤0.5	≥2.65	≤5	180	≥80
SM60-2	57-62	≤3.0	≤1.5	≤1.5	≥2.65	≤5	180	≥75

S-Sintered; M-Mulite; -1: ọkwa 1
Ihe atụ: SM70-1, Sintered Mullite, Al₂O₃:70%; Ngwaahịa ọkwa 1

Ọ bụ ezie na mullite dị ka ịnweta sitere n'okike, ihe na-eme na okike dị oke ụkọ.

Ụlọ ọrụ ahụ na-adabere na mullites sịntetik nke a na-enweta site na agbaze ma ọ bụ 'calcining' dị iche iche alumino-silicates dị ka kaolin, ụrọ, adịkarịghị andalusite ma ọ bụ ezigbo silica na alumina na okpomọkụ dị elu.

Otu n'ime ihe kacha mma sitere n'okike nke mullite bụ kaolin (dị ka ụrọ kaolinic). Ọ dị mma maka mmepụta nke refractories dị ka brik na-agba ọkụ ma ọ bụ nke a na-ejighị ọkụ, ihe nkedo na ngwakọta plastik.

A na-ejikarị mullite na-emekọ ihe na fused mullite eme ihe maka mmepụta nke refractories na nkedo nke ígwè na titanium alloys.

Njirimara anụ ahụ

• Ezi nguzogide na-akpụ akpụ
• Mgbasa ọkụ dị ala
• conductivity nke thermal dị ala
• Nkwụsi ike kemịkalụ dị mma
• Magburu onwe temome-mechanical kwụsie ike
• Magburu onwe okpomọkụ ujo eguzogide
• obere porosity
• N'iji ya dị fechaa
• Nguzogide oxidation