CAS 12007-23-7 HfB2 hmoov boride Hafnium diboride

Lus piav qhia luv luv:

Lub npe: Niobium boride

Cov roj formula: NbB2

Purity: 99%

Cov tsos: Grey dub hmoov

Particle loj: <10um

CAS Nr .: 12007-29-3

Hom Tshuaj: Epoch-Chem

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Product Detail

Khoom cim npe

Product Description

Hafnium diboride yog ib hom grey siv lead ua thiab muaj xim hlau luster, nrog cov hluav taws xob hluav taws xob siab thiab cov khoom siv tshuaj ruaj khov. Tsis tas li ntawd, nws tsis tshua muaj tshwm sim nrog tag nrho cov tshuaj reagents (tshwj tsis yog Hf) nyob rau hauv qhov kub thiab txias. Nws, ib hom tshiab-hom ceramic khoom nrog high-temperature kev ua tau zoo xws li siab melting-point, siab thermal conductivity, inoxidizability, thiab lwm yam, yog tsuas yog siv nyob rau hauv teb xws li super kub kub ceramics, high-speed aircraft qhov ntswg. cone thiab aerospace, thiab lwm yam.

Specification

Yam khoom	Chemical Composition (%)							Particle Loj
Yam khoom	B	Hf	P	S	Si	Fe	C	Particle Loj
HfB 2	10.8	Bal.	0.03 ib	0.002 ib	0.09 ib	0.20 ib	0.01 ib	325 mesh
Hom	Epoch-Chem

Daim ntawv thov

Hafnium diboride yog ib tug grey-dub metallic luster siv lead ua uas nws siv lead ua qauv belongs rau hexagonal system. Raws li ib qho zoo heev ultra-siab kub ceramic khoom, hafnium diboride (HfB2) muaj lub siab melting point (3380 ℃), nws yog feem ntau siv nyob rau hauv lub anti-ablation khoom nyob rau hauv high-temperature oxidation ib puag ncig thiab muaj cov yam ntxwv ntawm siab hardness, siab. Modulus, siab thermal conductivity thiab siab conductivity. Nws yog dav siv nyob rau hauv hnav-resistant coatings, cov ntaub ntawv refractory, Tej cuab yeej thiab aerospace thermal tiv thaiv systems thiab lwm yam teb.