Yintoni injongo ye-titanium diboride?

Ithagethi ye-Titanium diboride yenziwe nge-titanium diboride. I-Titanium diboride yinto engwevu okanye engwevu emnyama enehexagonal (AlB2) isakhiwo sekristale, indawo yokunyibilika ukuya kuthi ga kwi-2980 ° C, ingxinano ye-4.52g/cm³, kunye nobunzima obuncinci be-34Gpa, ngoko inokuqina okuphezulu kakhulu.ess. Ine-oxiIqondo lobushushu bokumelana nokufikelela kwi-1000℃ emoyeni, kwaye lihlala lizinzile kwi-HCl kunye ne-HF acids, ebonisa ukuxhathisa okugqwesileyo kwe-asidi yomhlwa.Iimpawu zezinto eziphathekayo zilandelayo: i-coefficient yokwandiswa kwe-thermal: 8.1 × 10-6m / m · k; I-Thermal conductivity: 25J/m·s·k; Ukuxhathisa: 14.4μΩ · cm;

Esi sixhobo sine-conductivity efanelekileyo ye-thermal kunye nombane, ngoko ke isetyenziswa ngokubanzi kwiindawo ezahlukeneyo zoshishino, ezifana ne-vacuum coating, izixhobo zokusika i-ceramic kunye nokubunjwa, i-crucible crucible ephezulu, iinxalenye ze-injini njalo njalo. Ngelo xesha, ithagethi ye-titanium diboride nayo iyinjongo ebalulekileyo yokulungiswa kwe-titanium alloys, ii-ceramics ezinobunzima obuphezulu kunye nokuqiniswa kwekhonkrithi.

 Indlela yokuvelisa i-titanium diboride ekujoliswe kuyo?

I-1.Indlela yokudibanisa ngokuthe ngqo: Le ndlela yokudibanisa ngokuthe ngqo i-titanium kunye ne-boron powder kwi-reactor ephezulu yokushisa ukuvelisa i-titanium diboride. Nangona kunjalo, iqondo lokushisa lokuphendula le ndlela kufuneka libe ngaphezu kwe-2000℃, ixabiso lezinto eziluhlaza liphezulu, inkqubo ayilula ukuyilawula, ukusabela akuphelelanga, i-TiB2 eveliswayo iphantsi kobunyulu, kwaye kulula ukuvelisa i-TiB, i-Ti2B kunye nezinye iikhompawundi.

2.Indlela ye-Borothermal: Le ndlela isebenzisa i-TiO2 (ubunyulu obuphezulu kune-99%, isakhiwo se-ase, ubukhulu be-particle 0.2-0.3μm) kunye ne-amorphous B (ubunyulu 92%, ubukhulu be-particle 0.2-0.3μm) njengezinto eziluhlaza, ngomlinganiselo othile kunye inkqubo yokusila ibhola (idla ngokuqhutywa phantsi kwevacuum), kwiqondo lobushushu lokusabela elingekho ngaphezulu kwe-1100 ° C ukulungiselela i-titanium. diboride.

3.Nyibilikisa i-electrolysis: Ngale ndlela, i-titanium oxides isabela ngealkali (okanye umhlaba wealkali) iborate yesinyithi kunye neefluorates phantsi kweemeko zokunyibilika kwe-electrolysis ukwenza i-titanium dib.hamba.
Nganye yale nkqubo yokuvelisa ineempawu zayo, ukhetho oluthile lwenkqubo exhomekeke kwimfuno yokuvelisa, iimeko zezixhobo kunye neendleko zoqoqosho kunye nezinye izinto.

Yeyiphi imimandla yokusetyenziswa kwethagethi ye-titanium diboride?

Ezona ndawo zisetyenziswayo ekujoliswe kuzo i-titanium diboride zibanzi kakhulu, ingakumbi ezibandakanya le miba ilandelayo:
Imathiriyeli ye-ceramic eqhubayo: i-titanium diboride yenye yezinto eziphambili ze-vacuum coated conductive evaporation iphenyane.
Izixhobo zokusika i-Ceramic kunye nokubumba: inokuvelisa izixhobo zokugqiba, umzobo wocingo uyafa, i-extrusion iyafa, iziqhushumbisi zesanti, izinto zokutywina, njl.
Izinto ze-ceramic ezihlanganisiweyo: i-titanium diboride ingasetyenziselwa njengenxalenye ebalulekileyo yezinto ezixutywayo ezininzi, kunye ne-TiC, i-TiN, i-SiC kunye nezinye izinto ezenziwe ngezinto ezidibeneyo, ukuveliswa kweendawo ezahlukeneyo zobushushu obuphezulu kunye neendawo zokusebenza, ezifana nobushushu obuphezulu. i-crucible, iinxalenye ze-injini, njl.
Izinto zokugquma i-cathode ye-aluminium electrolyzer: Ngenxa yokumanzisa kakuhle kwe-TiB2 kunye nolwelo lwe-aluminium yensimbi, ukusebenzisa i-titanium diboride njenge-cathode yokwambathisa izinto ze-aluminium electrolyzer inokunciphisa ukusetyenziswa kwamandla e-aluminium electrolyzer kunye nokwandisa ubomi be-electrolyzer.
I-PTC yokufudumeza izinto ze-ceramic kunye nezinto eziguquguqukayo ze-PTC: i-titanium diboride inokwenziwa kwezi zixhobo, ngokhuseleko, ukonga amandla, okuthembekileyo, ukusetyenzwa ngokulula kunye neempawu zokwenza, luhlobo lwemveliso ehlaziyiweyo ye-high-tech yazo zonke iintlobo zezinto zokufudumeza zombane.
I-agent ye-Metal yokuqinisa izinto: I-Titanium diboride yinto efanelekileyo yokuqinisa i-A1, i-Fe, i-Cu kunye nezinye izinto zetsimbi.
I-Aerospace: I-Titanium diboride ingasetyenziselwa ukwenza imilomo yerokhethi, amaqokobhe esphekepheke kunye nezinye izinto ezikwaziyo ukumelana nobushushu obugqithisileyo kunye neemeko zoxinzelelo.
Intsimi yolawulo lwe-Thermal: I-Titanium diboride ine-conductivity egqwesileyo yokushisa kwaye ingasetyenziselwa njengento yokutshatyalaliswa kobushushu kwizixhobo zombane, ngokuqhuba ngokufanelekileyo ukushisa kwi-radiator ukuqinisekisa ukusebenza okuqhelekileyo kwezixhobo zombane.
Ukubuyiswa kwamandla kunye nokonga amandla: I-Titanium diboride ingasetyenziselwa ukwenza izinto ze-thermoelectric eziguqula amandla obushushu abe ngumbane.
Ukongezelela, iithagethi ze-titanium diboride nazo zisetyenziswa ngokubanzi kwiimoto, i-electronics, amandla amatsha, iisekethe ezidibeneyo, ukugcinwa kolwazi kunye namanye amashishini.

Ingakanani i-titanium diboride ekujoliswe kuyo?

Ixabiso leethagethi ze-titanium diboride ziyahluka ngokuxhomekeka kwi-brand, ukucoceka, ubungakanani, ubungakanani beqhekeza, ukupakishwa kokupakisha kunye nezinye izinto.Ngokutsho kwekowuteshini yabanye ababoneleli, ixabiso lingahluka ukusuka kumashumi ukuya kumawaka e-yuan. Umzekelo, ixabiso lezinye iithagethi ze-titanium diboride yi-85 yuan, i-yuan eyi-10 (uphando lwenzululwazi yovavanyo), i-285 yuan (igranular) i-yuan engama-2000 ekujoliswe kuyo okanye ngaphezulu (ucoceko oluphezulu, i-magnetron sputtering). Kufuneka kuqatshelwe ukuba la maxabiso ngamaxabiso esalathiso kuphela, elona xabiso lingatshintsha ngenxa yobonelelo lwemarike kunye nemfuno, ukuguquguquka kwexabiso lemathiriyeli ekrwada kunye nezinye izinto.

Indlela yokukhetha umgangatho ophezulu wethagethi ye-titanium diboride?

I-1.Ukubonakala kunye nombala: Iithagethi ze-Titanium diboride zidla ngokuba yigrey okanye i-gray-black, kwaye ukubonakala kufuneka kube yinto efanayo ngaphandle kokungcola okucacileyo okanye amabala ombala. Ukuba umbala ubumnyama kakhulu okanye ulula, okanye kukho ukungcola phezu komhlaba, kunokubonisa ukuba ukucoceka kwayo akuphezulu okanye kukho ingxaki kwinkqubo yokulungiselela.
2.Ubunyulu: Ubunyulu sisalathiso esibalulekileyo sokulinganisa umgangatho wethagethi ye-titanium diboride. Ukuphakama kobunyulu, ukusebenza kwayo kuzinzile kunye nomxholo ongcolileyo. Ukucoceka kwethagethi kunokuvavanywa ngohlalutyo lweekhemikhali kunye nezinye iindlela zokuqinisekisa ukuba iyahlangabezana neemfuno zokusetyenziswa.
3.Ubuninzi kunye nobulukhuni: I-Titanium diboride inoxinaniso oluphezulu kunye nobunzima, nto leyo ekwangumfanekiso obalulekileyo wokusebenza kwayo okugqwesileyo. Ngokulinganisa ubuninzi kunye nobunzima bezinto ezijoliswe kuyo, umgangatho wayo unokugwetywa kwangaphambili. Ukuba ubuninzi kunye nobunzima abuhambisani nemigangatho, kunokubonisa ukuba kukho ingxaki kwinkqubo yokulungiselela okanye izinto eziluhlaza.
4.Umbane kunye ne-thermal conductivity: I-Titanium diboride ine-conductivity efanelekileyo yombane kunye ne-thermal, isizathu esibalulekileyo sokusetyenziswa kwayo ngokubanzi kwintsimi ye-electronics kunye namandla. I-conductivity yombane kunye ne-thermal ekujoliswe kuyo inokuvavanywa ngokulinganisa i-resistiveivity kunye ne-thermal conductivity yethagethi.
5.Uhlalutyo lokubunjwa kweekhemikhali: Ngokuhlalutya ukubunjwa kweekhemikhali, umxholo kunye nomlinganiselo wezinto ezahlukeneyo kwithagethi inokuqondwa, ukuze kuqinisekiswe ukuba idibana nomgangatho. Ukuba umxholo wezinto ezingcolileyo kwithagethi uphezulu kakhulu, okanye umlinganiselo wezinto eziphambili awuhambisani neemfuno, unokubonisa ukuba umgangatho walo umpofu.
Inkqubo yokulungiselela: Ukuqonda inkqubo yokulungiselela oko kujoliswe kuko nako kunokunceda ukugweba umgangatho wayo. Ukuba inkqubo yokulungiselela ihambele phambili kwaye ulawulo lungqongqo, izinto ekujoliswe kuzo ezinomgangatho ongcono zidla ngokufumaneka. Ngokuchasene noko, ukuba inkqubo yokulungiselela isemva okanye ilawulwa kakubi, umgangatho wethagethi unokungazinzi okanye ube nesiphene.
6.Isidima somthengisi: Ukukhetha umthengisi othembekileyo kukwayinxalenye ebalulekileyo yokuqinisekisa umgangatho wezinto ekujoliswe kuzo. Ungajonga isiqinisekiso somthengisi, ukusebenza kunye nophononongo lwabathengi kunye nolunye ulwazi ukuqonda isidima sakhe kunye nenqanaba lomgangatho wemveliso.