Dab tsi yog high-strength hnav-resistant yas khoom

Tso Sijhawm: 2026-01-05

Kev faib:

High-strength hnav-resistant yas refractoryyog ib yam khoom uas tsis zoo li refractory tshwj xeeb tsim los siv rau hauv high-temperature, abrasive heev, thiab muaj zog erosive tej yam kev mob. Nws nta muaj zog plasticity, yooj yim siv, siab zog, thiab zoo heev hnav tsis kam, thiab yog dav siv los ua ib sab hauv cov khoom siv kub kub tseem ceeb hauv kev lag luam xws li fais fab, metallurgy, cement, thiab chemical engineering.

Cov ntaub ntawv tseem ceeb rau cov khoom siv yas muaj zog thiab hnav-resistant:

Aggregates thiab hmoov: High-alumina bauxite, corundum, silicon carbide, chromite xuab zeb, thiab lwm yam hnav-tiv taus cov ntaub ntawv raug xaiv los tsim cov khoom siv pob txha, txiav txim siab hnav tsis kam thiab kub tsis kam.
Binders: Muaj hydraulic binders (xws li aluminate cement) thiab tshuaj binders (xws li phosphoric acid thiab phosphate), uas tuaj yeem kho tau ntawm chav tsev kub yam tsis muaj qhov kub siab sintering.
Cov khoom xyaw: Ntxiv dej reducers, plasticizers, thiab anti-cracking agents los txhim kho kev ua haujlwm thiab tawg tsis kam thaum tsim kho; Sib txuas cov hlau fibers thiab ceramic fibers los txhim kho kev cuam tshuam thiab thermal shock resistance.

Cov yam ntxwv ua haujlwm ntawm cov khoom siv muaj zog hnav-resistant yas:

"Plastic refractory khoom":hais txog cov ntaub ntawv refractory uas pom zoo plasticity ntawm chav tsev kub (zoo ib yam li plasticine), thiab tuaj yeem tsim los ntawm txoj kev xws li ramming thiab txheej, tsis tas yuav muaj kev vibration rau molding.
"High lub zog thiab hnav tsis kam": Los ntawm kev ntxiv cov khoom sib xyaw nyuaj xws li corundum, silicon carbide (SiC), mullite, thiab high-alumina clinker, thiab muab lawv nrog phosphate, calcium aluminate cement, los yog organic binders, nws ua tiav lub zog compressive ntawm chav tsev kub / / siab kub (≥60 MPa tom qab ziab ntawm 180 ℃ ≥ 180 ℃ thiab zoo heev hnav tsis kam ( hnav poob ≤5 cm³, zoo dua li cov castables zoo tib yam)

Qhov sib txawv tseem ceeb ntawm lub zog siab hnav-resistant yas thiab cov yas zoo tib yam nyob hauv:

Hnav-resistant reinforcement tivthaiv:High-strength hnav-resistant cov ntaub ntawv yas yog ntxiv txhim khu kev qha nrog super-nyuaj hnav-resistant aggregates xws li silicon carbide thiab corundum, los yog hlau hnav-resistant fibers, uas ua rau ib tug hnav tsis kam uas yog 2-3 lub sij hawm siab dua li ntawm cov khoom yas zoo tib yam.
Indicators zog:Nws nthuav tawm ntau zog compressive ntawm ob chav tsev thiab qhov kub thiab txias, ua rau nws haum rau kev ua haujlwm hnyav nrog kev cuam tshuam loj thiab hnyav. Hauv qhov sib piv, cov ntaub ntawv yas zoo tib yam yog qhov tsim nyog rau cov rwb thaiv tsev thermal lossis cov ntaub ntawv pabcuam hauv ob sab phlu uas tsis tshua muaj hnav thiab tsim kua muag.

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