Kev siv cov boron carbide hmoov

Daim ntawv thov ntawm Boron Carbide Hmoov

Boron carbideyog ib qho siv lead ua dub nrog cov hlau nplaum, tseem hu ua pob zeb diamond dub, uas yog cov khoom siv tsis muaj hlau tsis muaj hlau.Lub hardness ntawm boron carbide tsuas yog tom qab pob zeb diamond thiab cubic boron nitride, thiab nws tseem tuaj yeem tuav lub zog siab ntawm qhov kub thiab txias, uas tuaj yeem siv los ua cov khoom siv kub-resistant;Qhov ceev ntawm boron carbide yog me me (qhov kev xav tau qhov ceev tsuas yog 2.52 g / cm3), sib dua li cov ntaub ntawv ceramic dav dav tuaj yeem siv rau hauv aerospace teb;boron carbide muaj zog neutron absorption muaj peev xwm, zoo thermal stability, thiab ib tug melting point ntawm 2450 ° C, yog li nws kuj yog lug siv nyob rau hauv lub nuclear kev lag luam.Nyob rau tib lub sijhawm, nws lub peev xwm nqus neutron Nws tuaj yeem txhim kho ntxiv los ntawm kev ntxiv B caij;cov khoom siv boron carbide nrog cov morphology tshwj xeeb thiab cov qauv kuj muaj cov khoom tshwj xeeb photoelectric;Nyob rau hauv tas li ntawd, boron carbide muaj siab melting point, siab elastic modulus, tsis tshua muaj expansion coefficient thiab zoo oxygen absorption muaj peev xwm, thiab lwm yam. Qhov zoo, tag nrho cov uas ua rau nws muaj peev xwm siv cov ntaub ntawv nyob rau hauv ntau yam xws li metallurgy, tshuaj lom neeg kev lag luam, machinery, aerospace thiab kev lag luam tub rog.Piv txwv li, corrosion-resistant thiab hnav-resistant qhov chaw, ua bulletproof armor, reactor tswj rods thiab thermoelectric ntsiab, thiab lwm yam.

boron carbide
boron carbide hmoov

Cov kev siv tseem ceeb ntawm boron carbide yog raws li nram no:

1.Application ntawm polishing abrasive

srhtfd (1)

Daim ntawv thov ntawm boron carbide li abrasive feem ntau yog polishing ntawm sapphire.Nyob rau hauv cov ntaub ntawv superhard, lub hardness ntawm boron carbide yog superior rau ntawmaluminium oxidethiab silicon carbide, tsuas yog qis dua pob zeb diamond thiab cubic boron nitride.Boron carbide abrasive (Mohs hardness 9.3) yog cov khoom siv zoo tshaj plaws rau kev ua thiab sib tsoo sapphire siv lead ua.Thaum boron carbide siab tshaj 600 ℃, nws nto yuav oxidized rau hauv B2O3 zaj duab xis, uas yuav soften nws mus rau qee qhov.Yog li ntawd, nws tsis tsim nyog rau kev sib tsoo qhuav nrog kub ntau dhau hauv daim ntawv thov abrasive, tab sis tsuas yog rau polishing kua sib tsoo.Txawm li cas los xij, cov cuab yeej no tuaj yeem tiv thaiv oxidation ntxiv ntawm B4C, uas ua rau nws muaj qhov tshwj xeeb zoo hauv daim ntawv thov refractory.

2.Kev siv cov khoom siv refractory

srhtfd (2)

Boron carbide muaj cov yam ntxwv ntawm oxidation tsis kam thiab kub tsis kam.Nws feem ntau yog siv los ua cov zoo li qub thiab amorphous refractories nyob rau hauv ntau yam ntawm metallurgy, xws li steel qhov cub, kiln rooj tog, thiab lwm yam. Boron carbide yuav soften ntawm kub, yog li nws muaj peev xwm adhere rau saum npoo ntawm lwm yam khoom hais.Txawm hais tias cov khoom yog densified, B2O3 oxide zaj duab xis ntawm nws nto tuaj yeem tsim ib qho kev tiv thaiv thiab ua lub luag haujlwm tiv thaiv oxidation.Nyob rau tib lub sij hawm, vim hais tias cov columnar crystals generated los ntawm cov tshuaj tiv thaiv yog muab faib nyob rau hauv lub matrix thiab qhov sib txawv ntawm lub refractory, lub porosity yog txo, lub nruab nrab kub lub zog yog zoo dua, thiab lub ntim expansion ntawm lub generated crystals yuav kho lub ntim shrinkage thiab txo cov kab nrib pleb.

3.Kev siv cov khoom siv phom sij

srhtfd (3)

Vim nws lub siab tawv, siab zog, me me lub ntiajteb txawj nqus thiab siab elastic kuj, boron carbide yog tshwj xeeb tshaj yog nyob rau hauv txoj kab nrog cov qauv ntawm lub teeb yuag mos mos cov ntaub ntawv, thiab yog cov zoo tshaj plaws mos mos cov ntaub ntawv rau aircraft, tsheb, armor, tib neeg lub cev thiab lwm yam kev tiv thaiv.

4.Kev siv hauv kev lag luam nuclear

srhtfd (4)

Boron carbide muaj qhov siab nruab nrab nqus nqus ntu ntu thiab qhov dav neutron absorption spectrum, uas tau lees paub thoob ntiaj teb tias yog qhov zoo tshaj plaws neutron absorber hauv kev lag luam nuclear.Boron carbide muaj kev nplua nuj, kev tiv thaiv corrosion, zoo thermal stability, tsis muaj xov tooj cua isotopes, tsis tshua muaj hluav taws xob hluav taws xob, thiab lwm yam., yog li nws tau dav siv los ua cov khoom siv tswj thiab tiv thaiv cov khoom siv hauv nuclear reactors.Boron carbide yuav ua rau boron carbide rods nyob rau hauv lub nuclear reactor teb, thiab tseem yuav ua rau boron carbide hmoov vim hais tias yuav tsum tau ua kom cov cheeb tsam nto.

 

Chengdu Huarui Industrial Co., Ltd.

Email: sales.sup1@cdhrmetal.com

Xov tooj: +86-28-86799441


Post lub sij hawm: Oct-08-2022