Boron carbide (usoro kemịkalụ B4C) bụ ihe seramiiki siri ike nke a na-eji na ngwa agha tank, uwe mgbọ na ọtụtụ ngwa ụlọ ọrụ. Isi ike Mohs ya bụ 9.3, ọ bụkwa ihe nke ise kachasị sie ike mara mgbe diamond, cubic boron nitride, ogige fullerene na tubes monolithic diamond.

Njirimara nke B4C

1) Ọrụ kachasị mkpa nke boron carbide na-adabere na ike ya pụrụ iche (Mohs hardness of 9.3), nke bụ nke abụọ na diamond na cubic boron nitride, ma bụrụ ihe kachasị mma na-eguzogide okpomọkụ;

(2) Njupụta nke boron carbide dị ntakịrị, nke kachasị mfe n'etiti ihe seramiiki ma nwee ike iji ya mee ihe na mbara igwe;

(3) boron carbide nwere ikike nnabata neutron siri ike. E jiri ya tụnyere ihe dị ọcha B na Cd, ọ nwere ọnụ ala dị ala, ezigbo nguzogide corrosion na ezigbo nkwụsi ike ọkụ. A na-ejikarị ya eme ihe na ụlọ ọrụ nuklia. Boron carbide nwere ezigbo ikike nnabata neutron. Nkwalite ọzọ site n'ịgbakwunye B element;

(4) Boron carbide nwere ezigbo kemịkalụ Njirimara. Ọ naghị emeghachi omume na acid, alkalis na ọtụtụ ogige inorganic na ụlọ okpomọkụ. Ọ na-emebi naanị nwayọọ nwayọọ na ngwakọta nke hydrofluoric acid-sulfuric acid na hydrofluoric acid-nitric acid. Ọ bụ kemịkalụ kacha kwụsie ike. Otu n'ime ogige;

(5) Boron carbide nwekwara uru nke ebe mgbaze dị elu, modulu na-agbanwe agbanwe, ọnụọgụ mgbasawanye dị ala na ikike nnabata oxygen dị mma;

(6) boron carbide bụkwa ihe p-ụdị semiconductor, nke nwere ike idowe njirimara semiconductor ọbụlagodi na oke okpomọkụ.