CAS 12007-23-7 HfB2 foda boride Hafnium diboride

Takaitaccen Bayani:

Suna: Niobium boride

Formula: NbB2

Tsafta: 99%

Bayyanar: Grey black foda

Girman barbashi: <10um

Lambar Cas: 12007-29-3

Marka: Epoch-Chem

Aika mana imel

Cikakken Bayani

Tags samfurin

Bayanin samfur

Hafnium diboride wani nau'in lu'ulu'u ne mai launin toka kuma yana da ƙoshin ƙarfe, tare da haɓakar wutar lantarki da ingantaccen kayan sinadarai. Bayan haka, da kyar ake mayar da martani tare da duk abubuwan da ke haifar da sinadarai (ban da Hf) a cikin zafin gida. Shi, wani nau'i na sabon nau'in yumbu mai mahimmanci tare da babban zafin jiki mai cikakken aiki kamar babban narkewa-maki, high thermal conductivity, inoxidizability, da dai sauransu, an fi amfani dashi a cikin filayen kamar super high-zazzabi tukwane, high-gudun jirgin sama hanci. mazugi da sararin sama, da dai sauransu.

Ƙayyadaddun bayanai

Abu	Haɗin Sinadari (%)							Girman Barbashi
Abu	B	Hf	P	S	Si	Fe	C	Girman Barbashi
HfB2	10.8	Bal.	0.03	0.002	0.09	0.20	0.01	325 tafe
Alamar	Epoch-Chem

Aikace-aikace

Hafnium diboride kristal ne mai launin toka-baki mai haske wanda tsarin crystal ya kasance na tsarin hexagonal. A matsayin kyakkyawan kayan yumbu mai zafin jiki mai ɗorewa, hafnium diboride (HfB2) yana da babban ma'aunin narkewa (3380 ℃), ana amfani dashi sau da yawa a cikin kayan anti-ablation a cikin yanayin iskar oxygen mai zafi mai zafi kuma yana da halaye na taurin mai girma, babban ƙarfi. modulus, high thermal conductivity da kuma high conductivity. Ana amfani da shi sosai a cikin sutura masu jurewa, kayan haɓakawa, kayan aikin yankewa da tsarin kariyar yanayin iska da sauran fannoni.