CAS 12007-23-7 HfB2 ntụ ntụ boride Hafnium diboride

Nkọwa dị mkpirikpi:

Aha: Niobium boride

Usoro: NbB2

Dị ọcha: 99%

Ọdịdị: ntụ ntụ ojii isi awọ

Nha nha: <10um

Nọmba Cas: 12007-29-3

Ụdị: Epoch-Chem

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa ngwaahịa

Hafnium diboride bụ ụdị kristal isi awọ ma nwee ọmarịcha ọla, nke nwere ọkụ eletrik dị elu yana akụrụngwa kemịkalụ kwụsiri ike. E wezụga nke ahụ, a naghị anabata ya na ihe niile reagents (ma e wezụga Hf) na okpomọkụ nke ime ụlọ. Ọ, a ụdị ọhụrụ-ụdị seramiiki ihe na elu-okpomọkụ keukwu arụmọrụ dị ka elu-agbaze-ebe, elu thermal conductivity, inoxidizability, wdg, na-tumadi etinyere na ubi ndị dị otú ahụ dị ka ibu elu-okpomọkụ ceramics, elu-ọsọ ụgbọ elu imi. cone na aerospace, wdg.

Nkọwapụta

Ihe	Ngwakọta kemịkalụ (%)							Nha urughuru
Ihe	B	Hf	P	S	Si	Fe	C	Nha urughuru
HfB2	10.8	Bal.	0.03	0,002	0.09	0.20	0.01	325 ntupu
Ụdị	Epoch-Chem

Ngwa

Hafnium diboride bụ kristal ọla na-acha ntụ ntụ na-acha ntụ ntụ nke usoro kristal bụ nke sistemu hexagonal. Dị ka ihe magburu onwe ultra-elu okpomọkụ seramiiki ihe onwunwe, hafnium diboride (HfB2) nwere nnukwu agbaze ebe (3380 ℃), ọ na-ejikarị eme ihe na mgbochi ablation ihe na elu-okpomọkụ oxidation gburugburu ebe obibi na nwere àgwà nke elu hardness, elu. modul, elu thermal conductivity na elu conductivity. A na-eji ya n'ọtụtụ ebe na mkpuchi mkpuchi na-eguzogide, ihe ndị na-emegharị emegharị, ngwá ọrụ ịkpụ na usoro nchebe ikuku ikuku na mpaghara ndị ọzọ.