benear1

Ngwaahịa

Ọdịdị Agba aja aja ojii
Oge na STP Siri ike
Ebe agbaze 2349 K​(2076 °C, ​3769 °F)
Ebe isi mmiri 4200 K​(3927 °C, 7101 °F)
Njupụta mgbe mmiri mmiri (na mp) 2.08 g/cm3
Okpomọkụ nke njikọta 50.2 kJ/mol
Okpomọkụ nke vaporization 508 kJ/mol
Ike okpomọkụ molar 11.087 J/(mol·K)
  • Boron Carbide

    Boron Carbide

    Boron Carbide (B4C), nke a makwaara dị ka dayamọnd ojii, nke nwere ike Vickers nke karịrị 30 GPa, bụ ihe nke atọ kacha sie ike mgbe diamond na cubic boron nitride gasịrị. Boron carbide nwere akụkụ dị elu maka ịmịkọrọ neutrons (dịka ọmụmaatụ, ihe nchebe dị mma megide neutrons), nkwụsi ike ruo na radieshon ionizing na ọtụtụ kemịkalụ. Ọ bụ ihe kwesịrị ekwesị maka ọtụtụ ngwa arụmọrụ dị elu n'ihi njikọta mara mma ya. Ike ya pụrụ iche na-eme ka ọ bụrụ ntụ ntụ abrasive kwesịrị ekwesị maka ịcha, ịchacha na ịkpụ mmiri na ígwè na seramiiki.

    Boron carbide bụ ihe dị mkpa nke nwere ike dị fechaa ma dịkwa mma n'ihe gbasara igwe. Ngwaahịa UrbanMines dị ọcha ma dịkwa ọnụ ala. Anyị nwekwara ahụmịhe dị ukwuu n'inye ọtụtụ ngwaahịa B4C. Enwere m olileanya na anyị ga-enye gị ndụmọdụ bara uru ma nye gị nghọta ka mma gbasara boron carbide na ojiji ya dị iche iche.