Hafnium Carbide Hmoov, HfC

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Hafnium Carbide Hmoov, HfC

siab nto ua haujlwm, siab kub tsis kam, siab oxidation tsis kam, siab zog, siab hardness, zoo thermal conductivity, toughness zoo, yog qhov tseem ceeb siab melting taw tes, siab zog thiab corrosion kuj ntawm kub cov qauv ntaub ntawv, thiab muaj qhov siab efficiency nqus ntawm pom lub teeb, Reflective infrared thiab lub zog cia thiab lwm yam ntxwv ntawm kev ua kom sov. Dav siv hauv tshuab hluav taws xob, txheej txheej, txau carbide, aerospace, atomic zog, zaj duab xis nyuaj thiab metallurgical automation thiab lwm qhov chaw siab ntawm cov ntaub ntawv tseem ceeb. Tshwj xeeb tshaj yog rau cov mos txwv pob zeb tsis tuaj yeem, tuaj yeem siv rov qab mus rau qhov chaw ntawm lub ntiaj teb pob zeb foob pob ua ntxaij qhov ntswg lub khob qhov chaw


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>> Kev Taw Qhia Prtoduct

Cov mis mos molecular  Hfc
CAS Code.  12069-85-1
Nta  txho dub hmoov
Melting taw tes  3890 C
Ntshaw  12. 12s. 7g / cm3
Kev Siv  cov txheej txheem ua haujlwm siab, siab kub ua hauj, siab oxidationresistance, siab zog, siab hardness, zoo thermal conductivity, goodtoughness, yog qhov tseem ceeb siab melting taw tes, siab zog thiab corrosionresistance ntawm kub yam ntxwv cov ntaub ntawv, thiab muaj lub siab efficiencyabsorption ntawm pom lub teeb, Reflective infrared thiab lub zog cia thiab lwm cov khoom lag luam cua sov cia. Cov khoom siv dav siv hauv tshuab hluav taws xob, txheej txheej, txau cov roj av, aerospace, atomic zog, zaj duab xis nyuaj thiab metallurgical automation thiab lwm qhov chaw siab ntawm cov ntaub ntawv tseem ceeb. Tshwj xeeb tshaj yog rau cov mos txwv nozzles, tuaj yeem siv rau xa rov qab mus rau qhov chaw ntawm lub ntiaj teb pob zeb foob pob ua ntxaij lub qhov ntswg lub khob qhov chaw

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>> Cov Ntawv Pov Thawj Loj

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>> Cov ntaub ntawv muaj feem xyuam

Khoom taw qhia:
HfC hafnium carbide hmoov cov ntaub ntawv, tshuaj siv tshuaj HfC, sodium chloride cubic crystal system, xim hmoov, yaj kis 3890 ℃, txoj kev xav ntawm kev ceev ntawm 12.7 g / cm3, lub thermal conductivity ntawm 6.28 (W) (m. K - 1) ( 20 ℃), ntim resistivity, Ω 1.95 x 10-4 cm (2900 ℃), thermal expansion coefficient 6.73 x 10-6 / ℃, qhov tiv taus ntawm 40 ~ 50 / mu Ω cm, modulus ntawm elasticity ntawm 35.9 x 103 mpa, compression lub zog ntawm 1380 mpa.
Khoom nta:
Hafnium carbide hmoov cov ntaub ntawv nrog HfC muaj qhov siab elasticity coefficient, hluav taws xob zoo thiab thermal conductivity, me thermal expansion coefficient thiab zoo feem cuam tshuam, thiab tuaj yeem tsim cov tshuaj tov nrog ntau lub tebchaw (xws li ZrC, TaC, NbC, thiab lwm yam).
HfC hafnium carbide hmoov cov ntaub ntawv nrog kev ua haujlwm siab, siab zog lub zog, kub tsis kam, oxidation tsis kam, siab zog, siab hardness, zoo thermal conductivity, zoo kub kub zog, zoo toughness thiab yog ib hom siab melting kis, siab zog, zoo corrosion tsis kam ntawm siab kub cov cuab yeej cov ntaub ntawv, thiab muaj lub siab txuag ntawm lub teeb pom kev zoo, muaj kev cuam tshuam cov yam ntxwv ntawm infrared thiab lub zog cia kub cia.
SIV:
1. Siv tau los ua kev ntxiv ntawm cemented carbide, dav siv hauv thaj teb ntawm cov cuab yeej txiav thiab pwm;
2. Muaj feem xyuam rau cov khoom siv ntawm cov foob pob hluav taws, uas tuaj yeem siv tau rau hauv lub qhov ntswg pob zeb ntawm cov foob pob zeb, hauv thaj chaw aerospace, ntxiv rau lub nozzle, high-temperature resistant meem, arc lossis electrolytic electrode;
3. Siv rau kev siv tshuab hluav taws xob nuclear tswj cov pas nrig.
Cov ntaub ntawv thov cov ntaub ntawv: 1 HfC hafnium carbide hmoov cov khoom siv ntxiv cov khoom ntxiv rau cov khoom siv pob zeb lub cev lub caj pas cov khoom siv vim cov pa roj carbon / carbon cov khoom zoo tshaj lwm cov khoom ntawm lub cev kub thiab lub cev kub thiab lub cev muaj zog, yog cov khoom siv hluav taws xob lub cev muaj zog nozzle caj pas hauv ob sab phlu khoom hauv cov txheej txheem ua haujlwm hauv lub cav, cov pa roj carbon / carbon cov pa tawm lub caj pas tsis zoo nyob rau hauv qhov chaw tsis zoo cua sov, hom txheej txheem hauv qhov kub thiab lub siab nyob rau hauv kev kub ceev thiab kub khiav scouring ablation uas muaj cov xim xeb yuav raug rhuav tshem, ntxhib rau lub ntsej muag kom lub caj pas loj nthuav tsis meej thiab yog li ntawm, uas cuam tshuam rau lub cav ua haujlwm siab, ua rau qhov tsawg ntawm nozzle efficiencyA hom riam phom los ntawm 8% mus rau 10% ntawm nozzle caj pas sab hauv cov roj carbon txheej kom koom nrog HfC hafnium carbide hmoov cov ntaub ntawv, HfC - ntawm ablative kev ua tau zoo ntawm C / C composites tuaj yeem txhim kho ntau ntawm HfC hafnium carbide hmoov cov ntaub ntawv ntawm HfC - C / C composites caj pas hauv ob sab phlu ablation tsis kam ua feem ntau muaj ob qho: (1) vim qhov kub ntawm ablation hauv 3500, HfC hafnium carbide hmoov cov khoom kub hauv qhov txheej txheem ntawm ablation feem cuam tshuam nrog oxygen ua rau HfO2, muaj kev tiv thaiv zoo rau huab cua aerobic rau qhov oxidation ntawm carbon matrix thiab carbon fiber nyob rau hauv cov khoom siv sib xyaw; (2) vim HfC hafnium carbide hmoov cov khoom siv muaj lub zog siab thiab tawv, thiab ua tau zoo txhim kho tag nrho cov tshuab kev ua haujlwm tsis zoo los ntawm cov ntaub ntawv, ua rau cov roj av hauv lub caj pas sab hauv ntawm cov neeg kho tshuab kev cuam tshuam. pom tseeb, HfC - ntawm ablative kev ua tau zoo ntawm C / C cov sib xyaw nce nrog qhov nce ntawm cov ntsiab lus ntawm HfC, cov kev sim pom tau pom tias thaum cov ntsiab lus ntawm HfC mus txog 8% - 10%, HfC - C / C cov lus sib dhos tsis raug nqi ntawm lub caj pas hauv ob sab phlu yuav yog qhov ruaj khov ntawm kev kwv yees tsis tu ncua ablation theem, Hauv cov xwm txheej ntsuas ntawm lub cav foob pob ua ntxaij, lub caj pas sib xyaw ua ke sab hauv HFC-C / C cov khoom sib xyaw ua ke muaj qhov ua tau zoo ntawm 2, 1 atomic hafnium carbide thiab 4 atomic tantalum carbide. Lub chaw carbide tantalum thiab hafnium carbide muaj 4TaC · HfC. Kev tiv thaiv tshav kub ntawm 4TaC · HfC raug kuaj los ntawm kev siv cov thev naus laus zis thev naus laus zis, thiab cov ntsiab lus melting ncav cuag 4215 ° CIs hom kub siab melting taw tes sib txuas thiab cov ntaub ntawv cov khoom sib xyaw ceramic, Tebchaws Asmeskas. -speed lub tsheb, kom muaj cua sov muaj peev xwm tiv taus zoo, muaj peev xwm tiv taus thiab tiv taus qhov chaw ib puag ncig ntawm lub siab kub, kuj tseem siv tau los ua cov tshuaj tiv thaiv nuclear roj cladding overheating ib puag ncig hauv huab cua vim los ntawm kev sib txhuam cov cua sov nrog rau thaum mus nrawm dua li qhov ceev ntawm ntau tshaj li Mach 5, yuav tsim ua rau qhov kub thiab txias heevBecause 4 tac, HfC cov khoom siv los tiv thaiv thiab tiv taus qhov chaw ib puag ncig ntawm qhov kub siab, qhib txoj hauv kev rau kev txhim kho ntawm cov tiam tom ntej ntawm cov dav hlau supersonic, cov khoom txhais tau tias cov nkoj tshiab yuav nrawm dua puas tau ua ntej, 4 tac HfC cov ntaub ntawv thov nyob rau hauv kev ua dav hlau dav hlau, dav hlau dav hlau, hauv kev tsim cov davhlau tau nqus cov khoom sab nraud ntawm qhov siab tshaj plaws qhov kev sib txhuam, thiab lwm yam. ua kom muaj lub nrawm dua 5 Mach 3 lub chaw tsim khoom ntim tau ua tau HHCC hafnium carbide hmoov khoom yog tsim los ntawm nuclear reactor tswj pas nrig thiab kev tiv thaiv ntawm cov ntaub ntawv tseem ceeb, yog cov khoom siv tseem ceeb, kev lag luam atomic zog raws li lub foob pob hluav taws, tshwj xeeb tshaj yog tsim rau lub foob pob hluav taws nozzle caj pas cov ntaub ntawv rov nkag chaw qhov chaw foob pob ua ntxaij lub qhov rooj hlaws qhov chaw muaj hafnium carbide alloy tuaj yeem ua rau lub foob pob hluav taws no thiab tsis tuaj yeem rov nkag tau lub tsheb pem hauv ntej npog 4 HfC hafnium carbide hmoov cov ntaub ntawv vim lawv lub siab hardness thiab melting taw tes, ntxiv rau, siv hauv cemented carbide tej cuab yeej hlau txiav tej cuab yeej kub kub tus yam ntxwv ntawm cov hmoov metallurgy cov khoom kub tiv taus txheej; Hf-Ta alloy nrog hafnium carbide tuaj yeem siv los ua cov cuab yeej siv hlau thiab cov ntaub ntawv tiv thaiv.Qhov ntxiv ntawm hafnium carbide nyob rau hauv cov khoom cua sov tiv thaiv, xws li qhov sib ntxiv ntawm hafnium carbide hauv tungsten, molybdenum thiab tantalum alloys, tuaj yeem txhim kho t nws muaj qhov nyuaj, lub zog, kev ua tau zoo thiab siab kub tsis kam ntawm cov khoom siv.Hauv rau nws lub siab tawg, 5 HfC hafnium carbide hmoov khoom yuav siv los ua deoxidizer hauv kev lag luam steelmaking raws li cov khoom siv ntxiv, uas tuaj yeem txhim kho cov hlau tsis zoo. Hauv kev lag luam hluav taws xob yog kev tsim cov X-ray tube microwave tube cathode cov ntaub ntawv.

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