Budada Niobium Carbide, NbC

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Budada Niobium Carbide, NbC

dhoobada wajiga badan ayaa ka mid ah alaabta ceeriin ee qalabka dhoobada wajiga badan leh. Qalabka dhoobada wajiga badan leh ee la soo saaray ayaa badanaa lagu soo qaataa adkaanta, barta dhalaalka badan, xasiloonida kiimikada ee wanaagsan iyo isdhaafsiga Waxaa loo isticmaalaa qeybaha u adkeysata dharka, qalabka goynta iyo korantada


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Kaarbide Niobium
Isleeg kiimiko: Nbcnt: 3500. C
Bar kulaylka: 4300. C
Cufnaanta: 7. 6g / ml at 25 "C (waa)
Foomka: budada birta ah ee birta ah Codsiga walxaha isku dhafan (1) dhoobada wajiga badan leh waa mid ka mid ah agabyada maaddooyinka dhoobada wajiga badan leh. Qalabka dhoobada badan ee dhoobada laga sameeyo ayaa badanaa ah dhibic adag, xasilloonida kiimikada iyo is-gaarsiinta Waxaa loo isticmaalaa qaybaha xirashada u adkeysata, goynta barkadaha iyo korantada (2) Carbide sibidh leh looma isticmaali karo oo kaliya ka hortagga koritaanka hadhuudhka carbide ee sibidhka ah, laakiin sidoo kale wuxuu samayn karaa weji saddexaad oo ay weheliyaan WC iyo Co oo ay weheliyaan carbides kale, kuwaas oo si wax ku ool ah u hagaajiya adkaanta kuleylka iyo iska caabbinta kuleylka ee waxyeellada sibidhka, kuleylka iyo cadaadiska cadaadiska. Maaddaama niobium carbide ay leedahay faa'iido darrooyinka hagaajinta adkaanta aaladda iyo hagaajinta jajabka isku-darka aaladda, waxaa loo isticmaali karaa in lagu diyaariyo walxaha qalabka carbide ee sibidhka leh waxqabadka goynta aadka u fiican. 3) Wejiga adag ee niobium carbidehard ee korantada soo-baxa wuxuu galayaa qaab-dhismeedka surfacinglayer, sidaa darteed lakabka alxanka ayaa leh qalfoof u adkaysi badan xirnaashaha, iyo iska caabinta dharka ayaa si weyn loo hagaajiyay Daawaha iska caabbinta ee qalabka koronto-dhalintu waa 1.2-1.8 jeer oo ka sarreeya birta 45 birta ah (HRC50) iyo 2.43.6 jeer oo ka sarreeya feeraha Fe-cr-cb ee daawaha u adkaysta. Isla mar ahaantaana, lakabka dusha sare ee dharka dusha ka caabbiyaa uma baahna kuleyl marka alxamida .waxayna ku dul socon kartaa dusha sare ee qalabka shaqada. Dildilaaca yar ee dusha sare ka soo baxa wuxuu sii deyn karaa culeyska lakabka dusha sare mana ku faafi doono waxyaabaha aasaasiga ah d Marxaladda xoojinta birta Ku darista tirada yar ee carbide niobium ee geeddi-socodka steelmaking waxay ku guuleysan kartaa saameynta xoojinta roobka iyo xoojinta kareemka wanaagsan, taas oo kor u qaadeysa guud ahaan aaladaha farsamada birta. (4) Aerospacecomponents waxaa loo isticmaalaa sida qalabka buugaagta kiimikada loogu talagalay diyaarinta manyaerospace equipme

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Kaarbide Niobium
CAS (12069-94-2
EINECS. 235-117-8
hantida physico-kiimikada
Niobium carbide waa cristical cubic crystal oo leh luluqa birta waxayna ka tirsan tahay sodium chloride cubic crystal system.
Cufnaanta qaraabada 8.47, shaashadda joogtada ah A = 0.447nm,
Barta dhalaalida waa 3500 ℃. Microhardness> 23.5 Gpa (> 2400 kg / mm2), oo ka adag korundum. 338000 N / wuxuu ahaa qalab istiraatiijiyad ah, isugeyn balaarinta kuleylka oo ah 6.65 * 10 ^ (6) / K, kuleylka kuleylka ee 14 w / (m K), wuxuu abuuraa kuleyl - 140.7 kJ / mol, awood kuleyl gaar ah oo ah 36.8 J / (mol · K), adkeysiga 35 mu Ω · cm.
Kalama milmi karo aaladda kulul iyo qabow ee hydrochloric acid, sulfuric acid, nitric acid, ku milmi kara hydrofluoric acid kulul iyo nitric acid xal isku dhafan. Xasilloon 1000 ~ 1100 ℃ oo si dhakhso leh ugu oksijiin pentoxide niobium oo ka sarreeya 1100 ℃. Niobium carbide way fududahay in lagu dhex daro titanium carbide, zirconium carbide, tungsten carbide iyo xeryahooda kale, iyo si wada jir ah loo sameeyo isku dar xal adag oo isku mid ah Barta dhalaalida: 3500 ℃, cufnaan: 7.6g / cm (25 ℃) isticmaal
Sida lagu daro carbide alloy adag, waa qayb ka mid ah ternary iyo quaternary carbide xalka adag, sida WC-NBC-C ternary system. Sidoo kale wuxuu sameyn karaa jawharad macmal ah oo buluug ah.
Polycarbides oo ku saleysan, sida NBC-WC-C nidaamyada ternary, waxaa loo isticmaali karaa qalabka dahaarka biiyaha codsiyada aerospace
Niobium carbide (NbC) waa muraayad cagaaran oo dhererkeedu yahay luster macdan leh waxayna ka tirsan tahay sodium chloride cubic crystal system. Waa nooc ka mid ah barta dhalaalka sare, maaddada adag ee adag, oo si ballaaran loogu adeegsado walxaha heerkulka sare ee diidan iyo ku darista adag ee adag.
Maaddaama lagu daro carbide, waa qeyb ka mid ah xallinta carbide-ka heer-caalami ah iyo mid afar-geesood ah, sida nidaamka heerka sare ee WC-NBC-C. Sidoo kale wuxuu sameyn karaa jawharad macmal ah oo buluug ah.
Carbide Niobium wuxuu leeyahay xasilooni kiimikaad wanaagsan iyo waxqabadka heerkulka sare. Laguma milmi karo aaladda kulul iyo qabow hydrochloric acid, sulfuric acid, nitric acid, ku milmi kara hydrofluoric acid kulul iyo nitric acid xal isku dhafan; Isku darka waxaa lagu dhex galiyay carbide titanium, zirconium carbide, tungsten carbide iyo iskudhisyo kale, isku darka ayaa la soo saaray. Xasiloon 1000-1100 ℃ oo si dhakhso leh ugu oksijiin pentoxide niobium oo ka sarreeya 1100 ℃. Guud ahaan, waxaa lagu buuxiyaa dhalooyin balaastig ah ama kiimikooyin aluminium ah oo ku dhex jira kartoonka.

(2) Adeegsiga badeecada: Codsiga walxaha isku dhafan: - dhoobada dabaq: waa mid ka mid ah waxyaabaha ceyriinka ah ee maaddada dhoobada ah, oo laga sameeyay niobium carbide duplex qalabka dhoobada oo leh adkeyn sare, barta dhalaalaysa sare, xasiloonida kiimikada wanaagsan iyo ku shaqeynta korantada, badanaa waa had iyo jeer loo adeegsaday qaybaha xirashada u adkaysta, qalabka goynta carbide ee sibidhka ah iyo aagagga korantada: looma isticmaali karo oo keliya kahortaga carbide ee ka hortagga koritaanka hadhuudhka, laakiin sidoo kale carbides kale oo lagu sameeyay meel ka baxsan WC iyo Co dispersoid saddexaad, ayaa si weyn u wanaajiya carbide adkeysiga kulul iyo kuleylka Niobium carbide iyadoo la wanaajinayo adkaanta alloy iyo hagaajinta adkaanta jabka ee daawaha, iwm, sidaa darteed waxaa loo isticmaali karaa diyaarinta waxqabadka goynta qalabka qalabka carbide goynta iyo niobium carbide ayaa laga dhigi karaa jawharad dabiici ah oo buluug ah - dusha sare ee korantada, niobium carbide adag oo wajiga adag u galaya hay'adda lakabka adag, samee walxaha lakabka g wuxuu leeyahay qalfoof wanaagsan oo xirta, xirashada ayaa si weyn u wanaajinaysa iskudhafka alxanka elektaroonigga ah ee u adkeysanaya daawaha, iska caabbinta ka badan tan la bakhtiiyey 45 # birta (HRC50) 1.2 1.8 jeer ka sarreeya, marka loo eego Fe - Cr - C - B orodka -in ka badan yahay 2.4 ilaa 3.6 jeer caabbintaWelds isla mar ahaantaana, lakabka alxanka ah ee alxanka leh oo aan lakulmaynin, oo laga heli karo alxanka dusha sare ee dusha sare, dildilaaca yar yar ayaa sii deyn kara walbahaarka lakabka alxanka korkiisa mana ku faafayo wajiga biraha iyo birta xoojinta marka la eego geeddi-socodka steelmaking raad niobium carbide, waxay ku guuleysan kartaa saameynta xoojinta roobka iyo xoojinta miraha wanaagsan, si loo hagaajiyo sifooyinka farsamada ee birta, qaybaha aerospace: oo loo isticmaalo mashiinka mashiinka mashiinka mashiinka mashiinka qashinka iyo qaab-dhismeedka nukliyeerka nukliyeerka iyo qalab kale oo badan oo duulimaadyada ah oo loogu talagalay diyaarinta qalabka marka la adeegsanayo qalabka maaddada: - dahaarka dusha sare ee birta: niobi um carbide sida carbides biraha, waxay leedahay xoog kuleylka oo aad u saraysa iyo iska caabinta abrasionka sidaa darteed waxaa lagu dabaqay birta oo muujinaysa hagaajin karta dhinta iska caabbinta dusha sare - dahaarka biraha shaqada: birta shaxda isku dhafan ee niobium carbide dusha sare ee shaqada, samee adkaanta dusha sare ayaa si weyn loo kordhiyay, waxay ku guuleysan kartaa HV2800 kor ku xusan, isla mar ahaantaana, waxay hagaajineysaa heerkulka shaqada ee cufnaanta shaqada iyo abaabulka, si loo kordhiyo nolosheeda adeegga iyadoo loo marayo geedi socodka qashinka dareeraha kiimikada waxay ogaan kartaa daawaha niobium carbide ee dusha sare siddo bistoolad bir ah, daahan iyo walxaha aasaasiga ah oo ay weheliyaan kuwa xoog leh; giraanta qalabkan daawaha ah waxay leedahay qaab qaab jeeb wanaagsan oo keyd ah, iyo faa'iidooyinka labadaba adkaanta sare, si weyn ayaa loo yareyn karaa iyada oo aan la isticmaalin dhexdhexaadinta sifaynta iyo is-dheellitirka isweydaarsiga isfahamka marka naaftada saliidda saliidda mashiinka, oo si weyn u wanaajinaysa iska caabbinta duugga, waxay yareyn kartaa isku dhaca luminta mashiinka naaftada isla waqtigaas, hagaajinta waxqabadka mashiinka naaftada - niobium kale ee carbide daahan: dayax gacmeedyada qaybaha heerkulka sare isticmaalaya niobium carbide daaha, waxay ka dhigi kartaa nolosheeda adeeg si weyn u horumarisay warshadaha elektarooniga ah, tuubooyinka elektaroonigga ah qalabka dhexdhexaadka ah iyadoo la adeegsanayo cobalt ultrafine oo ay ku jiraan niobium carbide, si loo hagaajiyo heerka shucaaca dusha sare ee shabakadda Hoos u dhigida heerkulka shabakadda iyo yareynta sii deynta kuleylka ee shabakadda waxay leedahay saameyn weyn, si loo dheereeyo nolosha tuubooyinka elektaroonigga ah ee soo saaridda wax soo saarka niobium birta: habka ugu hooseeya ee dhimista aan tooska ahayn waxaa loo isticmaalaa in lagu soo saaro niobium bir ah, soosaarka niobium carbide ayaa markii hore loo isticmaalay hoos u dhig, iyo niobium pentoxide wuxuu soo saaray biro qaro weyn niobium, oo loo sameeyay turxaan bixinta bir saafi ah niobium, niobium carbide ayaa sidoo kale toos u yareyn karta si loo soo saaro biro saafi ah niobium niobium pentoxide.

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