ʻO Boron carbide (kemimi B4C) he mea paʻakikī paʻakikī loa i hoʻohana ʻia i loko o nā mea kaua pahu, nā lole pale pale a me nā noi ʻoihana he nui.ʻO 9.3 kona paʻakikī Mohs, a ʻo ia ka ʻelima o ka mea paʻakikī i ʻike ʻia ma hope o ke daimana, cubic boron nitride, fullerene compound a me daimana monolithic tubes.

Nā waiwai o B4C

1) ʻO ka hana nui loa o ka boron carbide aia i loko o kona ʻano paʻakikī (Mohs hardness of 9.3), ʻo ia ka lua o ka daimana a me ka cubic boron nitride, a ʻo ia ka mea kūpono loa i ka lole pale wela kiʻekiʻe;

(2) He liʻiliʻi loa ka nui o ka boron carbide, ʻo ia ka māmā ma waena o nā mea seramika a hiki ke hoʻohana ʻia ma ke kahua aerospace;

(3) Boron carbide he ikaika neutron absorption mana.Ke hoʻohālikelike ʻia me nā mea maʻemaʻe B a me Cd, he haʻahaʻa ke kumu kūʻai, ke kūpaʻa corrosion maikaʻi a me ke kūpaʻa wela maikaʻi.Hoʻohana nui ʻia ia i ka ʻoihana nuklea.Loaʻa i ka Boron carbide kahi mana hoʻoheheʻe neutron maikaʻi.Hoʻomaikaʻi hou aku ma ka hoʻohui ʻana i ka mea B;

(4) He waiwai kemika maikaʻi loa ka Boron carbide.ʻAʻole ia e pane me nā waikawa, alkalis a me ka hapa nui o nā pūhui inorganic i ka lumi wela.Hoʻopili mālie ia i ka hui ʻana o ka waikawa hydrofluoric-sulfuric acid a me ka waika hydrofluoric-nitric acid.ʻO ia ka waiwai kemika paʻa loa.ʻO kekahi o nā hui;

(5) Loaʻa i ka Boron carbide nā mea maikaʻi o ka helu heheʻe kiʻekiʻe, ka modulus elastic kiʻekiʻe, ka hoʻonui haʻahaʻa haʻahaʻa a me ka hiki o ka oxygen absorption maikaʻi;

(6) ʻO Boron carbide kekahi mea semiconductor p-type, hiki ke mālama i nā hiʻohiʻona semiconductor a hiki i nā wela kiʻekiʻe loa.