Bir bir ahWaxaa loola jeedaa xaddiga koromomium-ka wuxuu ka sarreeyaa 12% birta, chromium ee doorka birta ayaa awood u leh inuu sameeyo lakabka filimka CR2O3 ee dusha sare ee birta, sidaa darteed birta lafteeda iyo ka ilaalinta isbadalka saxaafadda. Asal ahaan, ka dibna ku dar xaddi cayiman oo ah NI, TI, NB, W iyo waxyaabo kale, ayaa sameyn kara iska caabin gaar ah,Iska caabbinta heerkulka sare ee oxidation-ka ama heer gaar ah oo xoog heerkulka sare ah iyo guryaha kale ee noocyo kala duwan oo bir aan dhiig lahayn.

Bir bir ah oo aan caadi ahayn sidaSi loo kala qaybin karo shan qaybood: ferritic, martitsitic, austenitic, austenitic + ferrite + ferrites iyo roobab adag Birta aurantatic-ka ah ee loo yaqaan 'aultimic' badanaa waxaa loo abaabulaa sida loogu talagalay nafaqada leh ee heerkulka qolka, qaarna waa nafaqo yar oo ah + qadar yar oo ka mid ah Ferrite, iyo qaddarka yar ee Ferrete ka hortaga dildi-socodka kuleylka. Austnitic-ka birta aan la taaban karin awgeed, ee warshadaha kiimikaad, weelka batroolka, weelka batroolka iyo warshadaha kale ayaa si balaadhan loo isticmaalaa.
Birta aan la taaban karin ee birta ah, laakiin markii wax laga hadlayo ama geedi socodka alxanka uusan sax ahayn, cilladaha soo socda ayaa dhici doona: Dhismaha isqarxinta, dildilaaca isku-dhafka ah, dildilaaca kuleylka, dildilaaca kuleylka.
Marka loo eego astaamaha dhulka ee kor ku xusan ee bir bir aan argagax lahayn, si loo hubiyo tayada wadajirka ah, habka alxanka ee soo socda waa in la adeegsadaa:
1. Diyaarinta kahoreeya. Waa lagama maarmaan in meesha laga saaro dhammaan noocyada faddaraynta oo laga yaabo inay ka bakhtiso baboowga birta. Meelaha alxanka iyo alxanka waa in lagu dilaa oo lagu waraabiyey acetone ama aalkolo ka hor alxab. Burushka kaarboonka si qunyar-ka ah looma isticmaali doono in lagu nadiifiyo dusha sare ee Bevel iyo Weld. Slag iyo ka saarista miridhku waa inay dhalataa giraangiraha giraangiraha, burush silig bir ah oo aan lahayn.
2. Qalabka elektiroonigga ah waa in lagu kaydiyaa bakhaar nadiif ah. Markaad isticmaaleyso usha alxanka waa in lagu meeleeyaa dhulka alxanka dhululriilaha, ha si toos ah u taabanin maqaarka alxanka ee maqaarkaaga ee gacmahaaga.
3. Saxanka khafiifka ah ee alxamida iyo hoosaad yaraaday qaylada birta ee birta ah. Maxaa yeelay arc of electrode-gu ah wuu xasilloon yahay, oo weldna waa quruxsan yahay.
4. Meelaha alxanka toosan iyo tooska ah, kaalshiyamka cudurka kaalmeeyeynta ee loo yaqaan 'Calcium Oxide' ayaa la istcimaalaa. Si dhakhso ah oo jilicsan oo adag, birta 'Cord' ee Dhalaashadu waxay ka ciyaari kartaa door taageerooyin gaar ah.
5. Gaaska gaaska ee alxamida ee alxamida iyo maamulka
6. Habka alxanka, weltigalinta waa in lagu hayaa heerkulka is dhexgalka hoose, gaar ahaan aan ka badnayn 150 ℃.Bir bir ahSaxanka qaro weyn, si loo dardar geliyo qaboojinta, waxaa lagu buufin karaa dhabarka hawada ee al-wod ama hawaduhu waa inay fiiro gaar ah u yeeshaan nadiifinta, si looga hortago in wasakhaysan ee aagga weld.
7. Marka alxanka korantada ee korantada ee 'Buug-gacmeedka', alxamida hadda waa in lagu xushaa inta lagu gudajiro tirada hadda ee lagu qeexay buugga alxanka. Sababta oo ah qiimaha ugu caabbinta birta ee birta ah ayaa ka sii weyn, u dhow dhamaadka korantada ayaa u nugul doorka kuleylka caabbinta, laakiin in xawaaraha yar ee korantada uu aad u dhaqso, laakiin si dhakhso ah u-qalmidda ayaa ku dambayn doonta oo ka dhalan doonta cilladaha aan loo qalmin. Iyada oo la hubinayo iska caabbinta iska caabbinta tixgelinta wadajirka ah, sidoo kale waxay u baahan tahay xulashada alxanka yar ee hadda jirta, yareynta fikirka al-kulka, si looga hortago in lagululaado aagga kuleylka kuleylka ee weldes uu kululeeyo.
8. Tijaabada alxanka oo ciriiri ah waa in loo adeegsadaa tikniyoolajiyadda hawlgalka, iskuday inaadan ku wareejin usha alxanka markii alxanka laga wareejiyo, oo lagu hagaajiyo xawaaraha alxanka inta ugu badan ee suurtogalka ah inta lagu gudajiro fulinta salka ku haysa
9. Filimkan wuxuu galay waji gooni ah oo jira, sida caadiga ah xeryahooda bir ee xukuumadaha ah. Waxay ciyaareysaa doorka saxaafadda birta iyo saxaafadda oo gabi ahaanba laga soocay ka-hortagga birta iyo saxaafadda saxaafadda, si birta asal ahaan loo joojiyo in lagu guuleysto dowlad aan caadi ahayn si loo gaaro doorka kahortagga dhiigga.
Waqtiga Post: May-14-2024