Soo koobida habka alxanka birta aan lahayn

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1. Kala soocida iyo sifooyinka physicochemical

Qaab abaabuleed

Caadiyan

Gaar ah

Caadiyan

Nooca jirka ee Ferritic

1. Iska caabin sare
2. Dhaqdhaqaaqa kulaylka oo liita

1Dhibaato aad u fiican oo iska caabin daxalka ah
2 Si fudud loo soo saari karo 475 °C jajaban

0Cr13 (405)

1Cr17 (430)

Nooca Martensitic

1. U janjeedha in la adkeeyo waa weyn tahay, kaarboonka ku jirana wuu la kordhiyaa.

1Cr13 (410)

Nooca Austenitic

1Isku-dhafka fidinta toosan waa weyn yahay
2 Iska caabin daxalka wanaagsan
3 caag heer sare ah
4 Iska caabin heerkul sare ah
5Waxay leedahay iska caabin wanaagsan oo heerkulka hooseeya

0Cr18Ni9(304)

0Cr19Ni11(308)

0Cr23Ni13(309)

0Cr25Ni20 (310)

0Cr17Ni12Mo(316)

0Cr17Ni12Mo2Nb/Ti(318)

0Cr19Ni13Mo3(317)

1Cr18Ni9Ti(321)

0Cr18Ni11Nb(347)

0Cr20Ni25Mo5Cu2(385)

O-iron duplex

1. Iska caabin daxalka intergranular 2 stress iska caabin daxalka 3 iska caabin godad

00Cr22Ni5Mo3N(2205)

Nooca adkeynta roobabka

1. Adag sare 2 caag liidata

0Cr17Ni4Cu4Mo2(630)

Soo koobida habka alxanka birta-la'aanta ah_2_01

Nooca jirka ee Ferritic

Soo koobida habka alxanka birta-la'aanta ah_2_02

Nooca Martensitic

Soo koobida habka alxanka birta-la'aanta ah_2_03

Nooca Austenitic

Soo koobida habka alxanka birta-la'aanta ah_2_04

Adkeynta roobabka

Labo: habka alxanka

Doorashada alaabta alxanka ah ee birta ah waa inay raacaan mabda'a "midnimada".

1. Ferritic steel steel Haddii habka alxanka lagu kululeeyo 430-480 °C wakhti dheer oo si tartiib tartiib ah loo qaboojiyo, aad bay u fududahay in la soo saaro 475 °C dillaacsan, wasakhduna waxay ka ciyaari doontaa door firfircoon.Habka alxanka ayaa ku talinaya alxanka hooseeya, alxanka degdega ah, oscillation lahayn, iyo xakamaynta heerkulka hoose inta lagu jiro alxanka multilayer.Si loo alxanayo qaybo-shaqo qaro weyn, tollaynta alxanka waa in la tumaa si loo yareeyo walbahaarka yaraanta.

2. Martensitic ahama sida kulaylku saameeyay aagga ebrittlement iyo alxanka dildilaaca qabow ayaa loo baahan yahay si looga fogaado inta ugu badan ee suurtogalka ah marka alxanka, guud ahaan qaado preheating u dhiganta ka hor alxanka (150-300 °C) iyo daaweynta kulaylka post-alxanka (700-750 °). C) cabbiraadda, isticmaalka tamarta khadka weyn, haddii loo baahdo, waxaad dooran kartaa qalabka alxanka austenitic.

3. Austenitic steel steel Qodobbada saamaynta leh ee dildilaaca kulul iyo daxalka intergranular ayaa ah tixgalinta aasaasiga ah ee alxanka sida birta aan lahayn, marka la eego sifooyinka jireed, tamar yar oo toosan waa in loo qaataa alxanka, qaboojinta degdega ah, iyo heerkulka hoose ee interlayer waa in la xakameeyo marka alxanka multilayer.Ku dadaal inaad ka koobnaato qadarka saxda ah ee ferrite markaad alxanayso si aad uga hortagto inay dhacaan dildilaaca kulaylka.Warshadaha petrochemical sida reactors hydrogenation iyo alaabta kale ee gaarka ah, tirada ferrites (FN) ee alxanka ayaa si cad loo qeexay, guud ahaan loo baahan yahay 3-10.

4. Awstaria-birta birta ah ee birta ah waxay leedahay u janjeera dildilaac hooseeya marka la barbar dhigo birta austenitic;Marka la barbar dhigo birta birta ah, alxanka ka dambeeya alxanka ayaa hooseeya, sidaas darteed waxay leedahay alxanka aad u fiican, kulaylka ka hor iyo kuleyl ka dib toona ma jiro dildilaac alxan ah oo soo baxay.Si kastaba ha ahaatee, marka la kululeeyo heerkulka sare, waxaa jira u janjeera in hadhuudh ah si ay u koraan, iyo tamar toosan yar waa in la qaato marka alxanka.

5. Birta adag ee roobka da'aya awgeed adkaanta sare, adkaanta liidata iyo caagagga birta noocaan ah, iyo culayska haraaga alxanka weyn, way fududahay in la soo saaro dildilaaca.Habka alxanka oo la mid ah birta martensitic waa lagu talinayaa, laakiin kulaylka ka hor wuxuu u baahan yahay in la kordhiyo.

Fiiro gaar ah:Heerarka AWSA5.9 ee Fiilooyinka Birta Aan-la-aanta lahayn iyo Filler-ka iyo YB/T5092 Heerka Birta-Aalxanka ayaa dhigaya in falanqaynta kiimikaad ee shaybaarka dhalaalay ee siligga la isku daray ama go'doonsan ama fiilada buuxinta ay tahay tijaabada keliya ee looga baahan yahay soocidda alaabtan. foomamka.Taasi waa, qalabka farsamada iyo imtixaanada kale, sida waafaqsan baahida macaamiisha.
Taxanaha GES-gacan ee aan birta lahayn, xarafka ugu dambeeya ee B ee magaca badeecada wuxuu muujinayaa jaakad buluug ah, R waxay tilmaamaysaa jaakada cas, sida GES-308R waxay ka dhigan tahay jaakad cas GES-308, GES-312B waxay u taagan tahay maqaarka kiniinka buluuga ah GES-312 .

Habka alxanka-carbon-birta-soo koobid03

Waqtiga boostada: Oct-13-2022