BoronCarbide (B4C)bụ ihe a na-ahọrọ maka ngwa absorption radieshon n'ihi na ọ nwere nnukwu mkpokọta boron atom ma nwee ike ịrụ ọrụ dị ka ihe na-ekpuchi neutron na ihe nchọpụta n'ime ihe nrụpụta nuklia.Akara metalloid boron achọtara na seramiiki B4C nwere ọtụtụ isotopes, nke pụtara na atom nke ọ bụla nwere otu ọnụọgụ protons mana ọnụọgụ neutron pụrụ iche.N'ihi ọnụ ala ya dị ala, nguzogide okpomọkụ, enweghị mmepụta redioisotope, na ikike ichebe radieshon, seramiiki B4C bụkwa nnukwu nhọrọ maka ihe nchebe na ụlọ ọrụ nuklia..
Boron Carbide bụ ihe dị mkpa maka ụlọ ọrụ nuklia n'ihi nnukwu neutron absorption cross-section (barns 760 na 2200 m / sec neutron velocity). Isotope B10 dị na boron nwere akụkụ obe ka ukwuu (ọba 3800).
Nọmba atomic 5 nke kemịkalụ boron na-egosi na o nwere protons 5 na 5 eletrọn n'ụdị atomiki ya. B bụ akara kemịkalụ maka boron. Boron eke bụ isi nwere isotopes abụọ kwụsiri ike, 11B (80.1%) na 10B (19.9%). Akụkụ absorption maka neutrons thermal na isotope 11B bụ 0.005 barn (maka neutron nke 0.025 eV). Ọtụtụ mmeghachi omume (n, alpha) nke neutrons thermal bụ mmeghachi omume 10B (n, alpha) 7Li yana 0.48 MeV gamma na-esonye. Ọzọkwa, isotope 10B nwere akụkụ mmeghachi omume dị elu (n, alpha) n'akụkụ akụkụ ume ume neutron dum. Akụkụ obe nke ọtụtụ ihe ndị ọzọ na-adị ntakịrị na ike dị elu, dịka ọ dị na cadmium. Akụkụ obe nke 10B na-ebelata monotonically site na ike.
Nnukwu akụkụ nnabata nke isi na-arụ ọrụ dị ka ụgbụ buru ibu mgbe neutron efu mepụtara site na fission nuklia na boron-10 na-emekọrịta ihe. N'ihi nke a, boron-10 na-enwekarị ike ịkụtu karịa atọm ndị ọzọ.
Nkukota a na-emepụta isotope nke Boron-11 na-adịghị akwụsi ike, nke na-agbaji n'ime:
atom helium na-enweghị eletrọn, ma ọ bụ akụkụ alfa.
lithium-7 atọm
Mgbasa ọkụ Gamma
Enwere ike iji ndu ma ọ bụ ihe ndị ọzọ dị arọ mee ihe iji nye ihe nchebe na-amịkọrọ ike ngwa ngwa.
Njirimara ndị a na-enye ohere iji boron-10 mee ihe dị ka onye na-achịkwa (nsi neuron) na ndị na-emepụta nuklia, ma n'ụdị siri ike (boron Carbide) na mmiri mmiri (boric acid). Mgbe ọ dị mkpa, a na-etinye boron-10 iji kwụsị ntọhapụ nke neurons nke uranium-325 kpatara. Nke a na-egbochi mmeghachi omume yinye.
