Scandiumwaa curiye kala guur ah waana mid ka mid ah curiyayaasha dhulka naadirka ah. Waxay leedahay sifooyin aad u fiican sida jilicsanaanta, sifooyinka kiimikada firfircoon, dhaqdhaqaaqa sare iyo cufnaanta gaarka ah oo hooseeya. Marka lagu daro aluminium aluminium, waxay si weyn u hagaajin kartaa xoogga, adkaanta iyo sifooyinka kale ee alwaaxyada. Waa nooc cusub oo raad raac ah oo loogu talagalay horumarinta xoogga sare, kulaylka u adkaysta iyo daxalka u adkaysta aluminium aluminium. Maadaama barta dhalaalaysa ee scandium ay aad u sarayso, marka ay gaadho 1541°C, halka barta dhalaalaysa ee aluminiumku ay tahay 660°C oo kaliya, dhibcaha dhalaalka ee labada bir ayaa aad u kala duwan, markaa waa in scandium lagu daraa aluminiumka aluminiumka ah qaab dhexdhexaad ah. Sidaa darteed, thealuminium-scandium alloy dhexdhexaad ahwaa alaabta ceeriin ee muhiimka ah ee diyaarintaaluminium-scandium alloys.
Ku darida qaddarka raadadka ee scandium (0.15 ~ 0.5wt%) ee aluminium alloys waxay ciyaari kartaa door wanaagsan Marka hore, waxay si weyn u nadiifin kartaa miraha dalagyada kabka ah waxayna sifeeye awood leh u tahay aluminium aluminium. Marka labaad, waxay kordhin kartaa heerkulka recrystallization by 250 ℃ ~ 280 ℃, baabi'inta qaab-dhismeedka recrystalized ee aagga kulaylka-saameeyey ee alxanka, iyo qaab-dhismeedka subgrained ee matrix si toos ah u gudbi karaa in qaab-dhismeedka kabka alxanka si looga hortago dildilaaca kulul iyo hagaajinta iska caabin jabka daal ee daawaha aluminium ah. Waa dib-u-celin wax ku ool ah oo loogu talagalay aluminium aluminium waxayna saameyn weyn ku leedahay qaab-dhismeedka iyo sifooyinka alwaaxda, si weyn u hagaajinaysa xooggeeda, qallafsanaanta, moodooyinka laastikada, waxqabadka alxanka, caabbinta kulaylka, caabbinta daxalka iyo caabbinta waxyeellada shucaaca neutron. Waqtigan xaadirka ah, waxaa la og yahay in xooggaaluminium-scandium alloywuxuu gaari karaa in ka badan 750MPa, iyo modules-ka laastikada wuxuu ka badnaan karaa 100GPa, taas oo 30% ka sarreeya tan aluminium-dhaqameedka. Saddexaad, waxay door wanaagsan ka ciyaari kartaa xoojinta kala firdhinta, ilaalinta qaab dhismeedka xasilloon oo aan recrystallized ahayn ee xaaladda ka-hortagga kuleylka ama daweynta annealing, waxayna leedahay sifooyinka wanaagsan ee kuleylka iyo qabowga wanaagsan iyo xasilloonida kuleylka sare. Marka afraad, waxay ka dhigi kartaa aluminium aluminium ah oo leh superplasticity wanaagsan. Ka dib daaweynta superplastic, kordhinta aluminium aluminium ee ku saabsan 0.5% scandium lagu daray waxay gaari kartaa 1100%.
Iyada oo ku saleysan sifooyinka farsamada ee ugu wanaagsan ee aluminium-scandium alloys ee kor ku xusan, jebinta cirifka caarada aluminiumka aluminium-dhaqameedka, oo weli ilaalinaya habsami-u-socodka wanaagsan, alaabooyinka ka samaysan aluminium-scandium cusub ayaa si tartiib tartiib ah u bilaabay inay ka soo muuqdaan suuqyada wadamada horumaray sida Yurub iyo Maraykanka. Aluminium-scandium alloys waa nooc ka mid ah aluminium aluminium cusub oo wax qabad sare leh oo leh xoog sare, adag oo sarreeya, iyo miisaan fudud. Waxay yihiin qalab ku habboon qaybaha dhismaha ee diyaaradaha, baaskiilada baaskiilka, naadiyada golfka, iwm. Waxay sidoo kale yihiin jiil cusub oo ah qalabka dhismaha aluminium fudud oo tayo sare leh oo loogu talagalay beeraha cirifka ee difaaca qaranka iyo warshadaha milatariga sida maraakiibta, duulista, hawada, tamarta nukliyeerka, iyo hubka. Inta badan waxaa loo isticmaalaa alxanka qaybaha qaab dhismeedka xamuulka qaada ee hawada, duulista, iyo maraakiibta, iyo sidoo kale tuubooyinka daawaha aluminium ee jawiga warbaahinta daxalka alkaline, taangiyada saliidda tareenka, iyo qaybaha muhiimka ah ee dhismaha tareenada xawaaraha sare. Waxaa si weyn loogu isticmaalaa hawada, gaadiidka, warshadaha nukliyeerka, elektarooniga, weelasha baakadaha, iyo meelaha kale.
Haata’u malee, rakkoon kun namoota aluminiinsi misooma biyyoota lamaanii waliin ta’uu danda’a jedhameera. Horumarinta sayniska iyo tignoolajiyada iyo hagaajinta heerka nolosha, dalkaygu wuxuu si degdeg ah ugu baahan yahay horumarinta aluminium aluminium tayo sare leh oo cusub. Horumarinta qalabyada dhexdhexaadka ah ee qiimaha jaban ee scandium-aluminium waxay dhigi kartaa aasaas adag oo loogu talagalay horumarinta alaabtan waxqabadka sare leh, waxay si weyn u kor u qaadaysaa horumarinta warshadaha aluminium ee dalkayga iyo warshadaha scandium, waxayna kor u qaadaan isdhexgalka warshadaha aluminium ee dalkayga iyo warshadaha aluminium ee caalamiga ah. Sidaa daraadeed, mashruuca diyaarinta ee aluminium-scandium (dhexdhexaad ah) aluminium waa mid muhiimad weyn leh oo lagama maarmaan u ah, waana jihada muhiimka ah ee horumarinta alaabta aluminium ee mustaqbalka.
Waxaan ku takhasusnay bixinta Aluminium Scandium Alloy soo dhaweyn tayo sare lehnala soo xidhiidhsi aad u hesho qiimo
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Waqtiga boostada: Oct-31-2024