I-Boron Carbide iyi-crystal emnyama enensimbi ye-luster, eyaziwa nangokuthi idayimane elimnyama, elingelazinto ezingezona zensimbi. Njengamanje, wonke umuntu ujwayelene nokuqukethwe kweBoron Carbide, okungenzeka kubangelwa ukusetshenziswa kwezempi ze-bulletproof, ngoba kunezinzuzo eziphansi kakhulu phakathi kwezinto eziphakeme ze-ceramic, futhi zinokusebenzisa kahle ukuqhekeka okuncane kokuthola ama-projectiles. Umphumela wamandla, ngenkathi ugcina umthwalo ophansi ngangokunokwenzeka. Kepha eqinisweni, iBoron Carbide inezinye izakhiwo eziningi ezihlukile, ezingenza ukuba zibambe iqhaza elibalulekile ekuthambekelelweni, izinto ezibonakalayo, imboni yenuzi, i-aerosse kanye nezinye izinkambu.
Izakhiwo zeI-Boron Carbide
Ngokuya ngempahla ebonakalayo, ubulukhuni be-boron Carbide kuphela ngemuva kwedayimane ne-cubic boron nitride, futhi kusengagcina amandla aphezulu emazingeni okushisa aphezulu, angasetshenziswa njengento evimbela izinga lokuvimbela izinga lokuvimbela izinga lokuvimbela izinga lokuvimbela izinga lokuvimbela izinga lokuvimbela izinga lokungazweli; Ubukhulu beBoron Carbide buncane kakhulu (ubuningi bethiyori bungu-2.52 g / cm3 kuphela), okulula kunezinto zokwakha ezejwayelekile, futhi kungasetshenziswa emkhakheni we-aerospace; I-Boron Carbide inekhono elinamandla lokumunca umshana, ukuqina okuhle okushisayo, kanye nephuzu lokuncibilika lika-2450 ° C, ngakho-ke nalo lisetshenziswa kabanzi embonini yenuzi. Amandla wokumuncwa kwe-neutron we-neutron angathuthukiswa futhi ngokungeza izinto ze-B; Izinto zokwenziwa ze-boron Carbide ezine-morphology ethile nesakhiwo nazo zinezakhiwo ezikhethekile zezithombe; Ngaphezu kwalokho, iBoron Carbide inendawo ephezulu yokuncibilika, i-modulus ephezulu ye-modulus, i-coeffient ephansi ephakeme futhi okuhle lezi zinzuzo zikwenza kube yinto enokwenzeka yohlelo lokusebenza emikhakheni eminingi enjenge-metallurgy, imboni yamakhemikhali, imishini, i-aerospace embonini yezempi. Isibonelo, izingxenye ezingamelana nokugqwala futhi ezingavinjelwa ezingavinjelwa, okwenza izikhali ezingama-bulletproof, izinduku zokulawula izimpendulo kanye nezinto ze-thermoelectric, njll.
Ngokuya ngemigomo yamakhemikhali, i-boron Carbide ayisabeli ngama-acid, ama-alkalis kanye namakhompiyutha amaningi e-inorganic emazingeni okushisa asekamelweni, futhi ayinakusabela ngo-oksijini namagesi ama-halogen emazingeni okushisa asekamelweni, futhi nezindawo zalo zamakhemikhali zizinzile. Ngaphezu kwalokho, i-boron carbide powder icushiwe yi-halogen njenge-ejenti yensimbi yensimbi, futhi i-boron ingena ngaphakathi kwensimbi ukwakha i-iron boride ifilimu, ngaleyo ndlela ithuthukise amandla futhi igqoke ukumelana nokuqukethwe, futhi izakhiwo zalo zamakhemikhali zihle kakhulu.
Sonke siyazi ukuthi uhlobo lwezinto ezibonakalayo lunquma ukusetshenziswa, ngakho-ke lapho i-boron carbide powder esebenza kahle?Onjiniyela be-R & D Centre yeI-Urbanmines Tech.Co, Ltd. Wenze okufingqiwe okulandelayo.
Ukusetshenziswa kweI-Boron Carbide
1. I-Boron Carbide isetshenziswa njenge-polishing abrasive
Ukusetshenziswa kweBoron Carbide njengoba kusetshenziselwa okuhlangene kakhulu ngokugaya nokupholizwa kwesafire. Phakathi kwezinto eziphilayo, ubulukhuni be-boron Carbide bungcono kunalokho kwe-aluminium oxide kanye ne-silicon carbide, okwesibili kuphela kudayimane ne-cubic boron nitride. I-Sapphire iyinto ebaluleke kakhulu esetshenziselwa ama-semiconductor gan / al 2 O3 O3 O3 O3 O3 Ama-Diode akhanyisa ama-fiodes (ama-LEDs), ama-Special-scale ahlanganisiwe ama-SOI ne-SOS, kanye namafilimu we-nanostructure. Ukubushelelezwa kobuso kuphakeme kakhulu futhi kufanele kube yi-ultra-ashelelezi kungabikwa. Ngenxa yamandla aphezulu nobulukhuni obuphezulu beSapphire Crystal (i-Mohts Hardness 9), ilethe ubunzima obukhulu ukucubungula amabhizinisi.
Ngokombono wezinto zokwenziwa nokugaya, izinto ezinhle kakhulu zokucubungula amakristalu e-sapfire ama-diamond zokwenziwa, i-boron carbide, i-silicon carbide, ne-silicon dioxide. Ubulukhuni bedayimane lokufakelwa buphezulu kakhulu (ubulukhuni be-mohts 10) lapho begaya udoti wafela wesafire, luzokwehlela ingaphezulu, lithinte ukudluliselwa kokukhanya kwe-wafer, futhi intengo iyabiza; Ngemuva kokusika i-karbito ye-silicon, i-roughness ra imvamisa iphakeme futhi iflethi limpofu; Kodwa-ke, ukulukhuni kwe-silica akwanele (ubulukhuni be-mohts 7), futhi amandla okugaya ampofu, okudla isikhathi kanye nokusebenza kanzima kwinqubo yokugaya. Ngakho-ke, uBoron Carbide abrasive (i-mohts hardness 9.3) usebe yinto ekahle kakhulu yokucubungula nokugaya amakristalu ama-sapphire, futhi anokusebenza okuhle kakhulu kwama-sapfire ama-wafers kanye nokuncipha kokuncipha kwe-epitaxiire.
Kuyafaneleka ukusho ukuthi lapho uBoron Carbide engaphezulu kwama-600 ° C, ingaphezulu lizofakwa oxidised libe yi-B2O3 Film, ngakho-ke alilungele ukugaya okuphezulu kakhulu, lilungele kuphela ukugaya okuwuketshezi. Kodwa-ke, le mpahla ivimbela i-B4C ekubeni yi-oxidived ngokwengeziwe, okwenza kube nezinzuzo ezihlukile ekusetshenzisweni kwezinto zokuphikisa.
2. Isicelo ezintweni ezibonakalayo
I-Boron Carbide inezimpawu zokulwa ne-oxidation kanye nokumelana okushisa okuphezulu. Ngokuvamile isetshenziswa njengezinto zokwakha ezithuthukisiwe futhi ezingashintshiwe futhi isetshenziswa kabanzi emikhakheni ehlukahlukene ye-metallurgy, efana nezitofu zensimbi nefenisha ye-kiln.
Ngezidingo zokonga amandla kanye nokusetshenziswa komkhakha wensimbi nensimbi kanye nokubhekisisa kwensimbi ephansi ye-carbon kanye ne-ultra-coarbon steel, okuqukethwe okuphansi kwekhabhoni, ngokuvamile okuqukethwe kwekhabhoni (ngokuvamile okuqukethwe kwekhabhoni (ngokuvamile okuqukethwe kwekhabhoni. Njengamanje, ukusebenza kwezitini eziphansi ze-carbon magnesia-carbon kuthuthukiswa ngcono ngokwenza ngcono ukwakheka kwekhabhoni ebonkwa, nokwenza kahle ukwakheka kwe-matrix kwezitini ze-magnesia-carbon, futhi wengeza ama-antioxidants aphezulu. Phakathi kwazo, ikhabhoni egqamile eyakhiwa nge-carbide ye-boron-grade ye-boron kanye ne-carbon emnyama ngokwengxenye iyasetshenziswa. I-Black Composite Powder, esetshenziswa njengomthombo wekhabhoni ne-antioxidant yezitini eziphansi ze-carbon magnes-carbon, ithole imiphumela emihle.
Njengoba uBoron Carbide ezothambisa ngezinga elithile ekushiseni okuphezulu, anganamathiselwa ebusweni bezinye izinhlayiya ezibonakalayo. Noma ngabe umkhiqizo uthandwe, ifilimu ye-B2O3 oxide ebusweni angakha ukuvikelwa okuthile futhi adlale indima ye-anti-oxidation. Ngasikhathi sinye, ngoba amakristalu e-columrar akhiqizwa ukusabela asatshalaliswa kwi-matrix kanye nezikhala zezinto ezibonakalayo, amandla okushisa ancishisiwe, futhi amandla okushisa aphakathi ayathuthukiswa, futhi umthamo wamakristalu akhiqizwayo uyanda futhi aphulukise imifantu.
I-3. Izinto ezisetshenziselwa izinhlamvu ezisetshenziselwa ukuthuthukisa ukuzivikela kwezwe
Ngenxa yobulukhuni bayo obuphakeme, amandla aphezulu, amandla adonsela phansi amancane, kanye nezinga eliphakeme lokuphikiswa kwe-ballistic, iBoron Carbide ihambisana kakhulu nokuthambekela kwezinto zokwakha ezilula ezingasindi. Kuyinto engcono kakhulu yezinto ezibonakalayo zezinhlamvu zokuvikelwa kwezindiza, izimoto, izembatho zempi kanye nemizimba yabantu; Okwamanje,Amanye amazweUhlongoze izindleko eziphansi ze-boron Carbide anti-ballistic anti-ballistic anti-ballistic anti-ballistic, ehlose ukukhuthaza ukusetshenziswa okukhulu kwezikhali ze-boron Carbide anti-ballistic anti-ballistic anti-ballistic embonini yezokuvikela.
4. Isicelo embonini yeNyukliya
IBoron Carbide inesigaba esiphakeme sokumunca nje se-neutron kanye ne-neutron energy spectrum, futhi ibonwa emhlabeni wonke njenge-neutron anyorber embonini yenuzi. Phakathi kwazo, isigaba se-thermal se-boron-10 isopope siphakeme njenge-347 × 10-24 cm2, okwesibili kuphela ezintweni ezimbalwa ezifana ne-gadolimium, iSamariyu, kanye ne-cadmium, futhi i-absorron esebenza kahle ye-neutron. Ngaphezu kwalokho, iBoron Carbide icebile ngezinsizakusebenza, ukuqina okuvinjezelwe, ayikhiqizi ama-isotopes ahamba phambili, futhi inesikhumba esiphansi samandla esibili, ngakho-ke i-boron Carbide isetshenziswa kabanzi njengezinto zokulawula kanye nezinto zokwakha zenuzi.
Isibonelo, embonini yenuzi, i-reactoror ephakeme yegesi epholile isebenzisa uhlelo lokuvalwa kwebhola lweBoron luthola uhlelo lokuvalwa kwebhola njengohlelo lwesibili lokuvalwa. Uma kwenzeka ingozi, lapho uhlelo lokuqala lokuvalwa luhluleka, uhlelo lwesibili lokuvala lusebenzisa i-boron Carbide Pellets mahhala esiteshini songqimba esibonakalayo se-reactoror core, njll. Umsebenzi oyinhloko we-Boron Carbide Core ku-Righter Cartement Crediment Gas-Reason Reactor ukulawula amandla nokuphepha kwe-reactiotor. Isitini sekhabhoni siboshwe nge-boron Carbide Nutron Ukutholwa Kwezinto Ezingenayo, ezinganciphisa i-neutron irradiation yomkhumbi wokucindezela kwe-reactor tress.
Njengamanje, izinto zokwakha ama-boride zokuphendula kwenukliya ikakhulukazi zibandakanya izinto ezilandelayo: I-Boron Carbide (izinduku zokuvikela), i-boron acid (imidwebo yokugcina imfucumfucu), i-boron epurege epusheli (impahla evuthayo ye-core), njll.