• Sintered Mullite _01
  • Sintered Mullite _02
  • Sintered Mullite _03
  • Sintered Mullite _01

Sintered Mullite ati Fused Mullite ni a lo ni akọkọ fun iṣelọpọ awọn ile-itumọ ati Simẹnti Irin ati Alloys Titanium

  • Sintered Mullite corundum chamotte
  • Mulite
  • Sintered Mullite70

Apejuwe kukuru

Sintered Mullite ti yan bauxite ti o ni agbara giga, nipasẹ isokan ipele-pupọ, ti a ṣe iṣiro ni ju 1750 ℃. O jẹ ijuwe nipasẹ iwuwo olopobobo giga, iduroṣinṣin didara iduroṣinṣin igbona mọnamọna, atọka kekere ti irako otutu giga ati iṣẹ ṣiṣe ipata kemikali ti o dara ati bẹbẹ lọ.

Lailopinpin toje ni irisi adayeba rẹ, mullite jẹ iṣelọpọ atọwọda fun ile-iṣẹ nipasẹ yo tabi titu awọn oriṣiriṣi alumino-silicates. Awọn ohun-ini thermo-darí to dayato ati iduroṣinṣin ti mullite sintetiki ti o yọrisi jẹ ki o jẹ paati bọtini ni ọpọlọpọ awọn ohun elo ifasilẹ ati ipilẹ.


Kemikali tiwqn

Awọn nkan

Kemikali

akopo (ida ti o pọju)/%

Ìwọ̀n olópo g/cm³

Owu ti o han %

Refractoriness

3Al2O3.2SiO2 Ipele (Ipin ti o pọju)/%

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-Mullite; -1: ipele 1
Awọn apẹẹrẹ: SM70-1, Sintered Mullite, Al₂O₃: 70%; Ipele 1 ọja

Botilẹjẹpe mullite wa bi nkan ti o wa ni erupe ile adayeba, awọn iṣẹlẹ ni iseda jẹ ṣọwọn pupọ.

Ile-iṣẹ naa da lori awọn mullites sintetiki eyiti o waye nipasẹ yo tabi 'calcining' ọpọlọpọ awọn alumino-silicates bii kaolin, awọn amọ, ṣọwọn andalusite tabi yanrin daradara ati alumina si awọn iwọn otutu giga.

Ọkan ninu awọn orisun adayeba ti o dara julọ ti mullite jẹ kaolin (gẹgẹbi awọn amọ kaolinic). O jẹ apẹrẹ fun iṣelọpọ awọn iṣipopada gẹgẹbi ina tabi awọn biriki ti ko ni ina, awọn kasiti ati awọn apopọ ṣiṣu.

Sintered mullite ati mullite dapo ti wa ni akọkọ ti a lo fun isejade ti refractories ati awọn simẹnti ti irin ati titanium alloys.

Awọn ohun-ini ti ara

• Rere irako resistance
• Low gbona imugboroosi
• Low gbona elekitiriki
• Iduroṣinṣin kemikali ti o dara
• O tayọ thermo-darí iduroṣinṣin
• O tayọ gbona mọnamọna resistance
• Porosity kekere
• Ni afiwe fẹẹrẹ
• Oxidation resistance