Waa maxay faraqa u dhexeeya been-abuurista kulul iyo qabow-beerista?

Been abuurka kululwaa been-abuurka biraha ka sarreeya heerkulka recrystalization.
Kordhinta heerkulka waxay hagaajin kartaa caagagga birta, waxay ku habboon tahay hagaajinta tayada gudaha ee shaqada, si aanay u fududayn in la dillaaciyo.Heerkulka sare wuxuu sidoo kale yarayn karaa caabbinta qallafsanaanta birta, waxay yaraynaysaa tan loo baahan yahay ee mishiinnada been abuurka ah.Laakiin habka foornada kulul, saxnaanta workpiece waa liidata, dusha sare ma aha mid siman, been abuur fudud si ay u soo saaraan oxidation, decarburization iyo khasaaraha gubanaya.Marka workpiece waa weyn yahay oo dhumucdiisuna, xoogga alaabtu waa sarreeyaa oo balaastikada waa yar tahay (sida duubista saxan qaro weyn, dhererka sawirka usha sare ee kaarboonka, iwm.),been abuur kululloo isticmaalo.Marka birta (sida rasaasta, tiin, zinc, copper, aluminium, iwm.) ay leedahay balaastiig ku filan oo qadarka qallafsanaantu aanu weynayn (sida inta badan farsamaynta shaambada), ama tirada guud ee qallafsanaanta iyo habka been-abuurka ah ee la isticmaalo ( sida extrusion, radial forging, iwm) waxay ku haboon tahay qallafsanaanta caaga ah ee birta, inta badan ma isticmaalaan foornada kulul, laakiin isticmaal foornada qabow.Heerkulka u dhexeeya heerkulka been-abuurka hore iyobeen abuurka kama dambaysta ahheerkulka foornada kulul waa in uu ahaadaa mid weyn intii suurtogal ah si loo gaaro inta ugu badan ee shaqada been abuurka ah ee suurtogalka ah hal kuleyl.Si kastaba ha ahaatee, sarebeen-abuurka bilowga ahheerkulku wuxuu u horseedi doonaa koritaanka xad-dhaafka ah ee miraha birta ah iyo samaynta kulaylka, taas oo yareyn doonta tayada qaybaha foornada.Marka heerkulku ku dhawaado barta dhalaalka ee birta, barta dhalaalka hoose ee walxaha dhalaalaysa iyo oksaydhka intergranular ayaa dhacaya, taasoo keenta gubasho xad dhaaf ah.Biishyada aad u gubtay ayaa inta badan la jebiyaa xilliga been-abuurka.Guud ahaanbeen abuur kululheerkulka waa: steel carbon 800 ~ 1250 ℃;Qalabka dhismaha ee Alloy 850 ~ 1150 ℃;Xawaaraha sare ee birta 900 ~ 1100 ℃;aluminium aluminium caadi ahaan loo isticmaalo 380 ~ 500 ℃;Titanium alloy 850 ~ 1000 ℃;Naxaas 700 ~ 900 ℃.

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Been abuurka qabowwuu ka hooseeyaa heerkulka birta recrystallization ee foorjarida, sida caadiga ah loo yaqaan foornada qabow ee heerkulka qolka, oo waxay ka sarrayn doontaa heerkulka qolka, laakiin aan ka badnayn heerkulka recrystalization ee foornada waxaa loo yaqaan foornada diiran.Saxnaanta foornada diirran ayaa ka sarreysa, dusha sare waa siman yahay oo iska caabbinta qallafsanaantu maaha mid weyn.
The workpiece sameeyay by foorno qabow hoos heerkulka caadiga ah ayaa sax ah sare ee qaabka iyo cabbirka, dusha siman, hababka processing dhowr iyo fududahay in si otomaatig ah wax soo saarka.Qaybo badan oo qaboojiye iyo qabow-cadaadiyey ayaa si toos ah loogu isticmaali karaa qayb ahaan ama alaabooyin iyada oo aan loo baahnayn in la gooyo.Laakin gudahabeen abuur qabow, Sababtoo ah balaastigga hooseeya ee birta, way fududahay in la dillaaco inta lagu jiro qallafsanaanta, caabbinta qallafsanaantuna waa weyn tahay, sidaas darteedbeen abuur weynwaxaana loo baahan yahay makiinadaha riixaya.


Waqtiga boostada: Abriil-02-2021

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