Hōʻike:
Code | K520 |
inoa | ʻO ka pauka Boron Carbide Ultrafine |
Kumukumu | B4C |
CAS No. | 12069-32-8 |
Nui ʻāpana | 500nm |
Nui ʻokoʻa ʻē aʻe | 1-3um |
Maemae | 99% |
Ka nana aku | ʻeleʻele pauda |
Pūʻolo | 500g, 1kg a i ʻole e like me ka makemake |
Nā noi kūpono | Keramika, neutron absorbers, abrasives, refractory mea, etc. |
wehewehe:
ʻO Boron carbide (kemimi B4C) he mea paʻakikī paʻakikī loa i hoʻohana ʻia i loko o nā mea kaua pahu, nā pale 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) Aia ka hana nui loa o ka boron carbide i 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.
Kūlana mālama:
ʻO ka pauka Boron Carbide Ultrafinee hoʻopaʻa maikaʻi ʻia, mālama ʻia ma kahi maloʻo a maloʻo, pale i ka mālamalama pololei. Hiki ke mālama ʻia ka lumi wela.
Nā kiʻi: