Annealing rauv txheej txheem txaus
1. Lub hom phiaj ntawm annealing
Kev npaj kho cua sov siv los txhim kho lub cev thiab tshuab cov cuab yeej ntawm cov hlau, hlau qub, thiab cov nickel alloys.
Lub hom phiaj tseem ceeb muaj xws li:
Kev Nyab Xeeb Sab Nraud Kev Nyab Xeebtshwm sim los ntawm kev ua haujlwm txias lossis vuam vuam
Txhim Kho Ductility Thiab Toughningrau kev tsim yooj yim lossis machining
Refining Grade qauvthiab ua kom muaj kev sib haum xeeb
Rov kho lub zog lub cevXws li kev ua haujlwm lossis Magnetism
Txhim Kho Cov Khoom Zoo Sab NraudTom qab deformation lossis txias ua
2. Annealing Rauv txheej txheem kauj ruam
Kauj ruam 1 - Chaw thau khoom
Cov khoom siv hlau (cov kav dej, daim hlau, lossis cov hlua khi) yog ua tib zoo tso sab hauv qhov cub tawg ntawm racks lossis cov tais kom ntseeg tau txawm tias kev xa tawm cua sov.
Kauj ruam 2 -
Cov ntaub ntawv yog rhuab maj mam mus rau cov anealing kub.
Raug annealing kub sib txawv sib txawv los ntawm cov khoom hom:
Carbon Steel:650-750 Qib (1200-1380 Qib F)
Stainless hlau (piv txwv li, 304/316):1050-1100℃(1920-2010℃f)
Nickel alloys (piv txwv li, inconel, hastelloy):1100-1175 DEGREE (2010-2150 Qib F)
Cov kev faib tawm qhov kub thiab txias yog qhov tseem ceeb los tiv thaiv kev kub ntxhov hauv lub zos.
Kauj ruam 3 - Soaking (tuav)
Cov ntaub ntawv muaj nyob rau ntawm qhov kub thiab txias rau lub sijhawm tshwj xeeb kom tso cai cov qauv txheej txheem txheej txheem.
Lub sijhawm soaking feem ntau nyob ntawm cov tuab - feem ntau30 txog 120 feeb.
Kauj ruam 4 - Cua txias
Tom qab soaking, cov ntaub ntawv yog txias ntawm tus nqi tswj hwm.
Cov hau kev txawv txav txawv yog xaiv nyob ntawm cov alloy:
Cua sov txias:Qeeb Cua txias sab hauv lub cub tawg - haum rau cov hlau hlau.
Cua Txias:Ntuj txias rau hauv huab cua ambient.
Sai sai txias (quenching):Roj lossis dej quenching rau cov hlau npau taws rau cov hlau tsis muaj roj thiab cov menyuam yaus alloys kom tiv thaiv cov nag los nag lossis cov noob qoob loo.
Rau cov hlau tsis muaj roj thiab npib tsib xee alloys,sai sai txiasyog feem ntau siv los khaws corrosion tsis kam.
KAUJ RUAM 5 - Kev Ntsuam Xyuas & Tshuaj Xyuas
Ib zaug txias rau txoj kev nyab xeeb kev kub, cov ntaub ntawv raug tshem tawm ntawm lub cub tawg.
Kev tshuaj xyuas yog nqa tawm kom paub tseeb txog qhov chaw tiav, Hardness, thiab microstructure zoo.
3. Hom ntawm annealing rauv
| Hom rauv | Cov yam ntxwv | Cov Ntawv Thov |
|---|---|---|
| Box - Hom Rauv | Cov qauv yooj yim, tus nqi qis | Tuav, daim hlau, me me batches |
| Nruam Bright Annealing Rauv | Kev ua haujlwm txuas ntxiv, kev tiv thaiv kev tiv thaiv (H₂ lossis N₂ + H₂) | Stainless hlau tubes, coils |
| Tswb - Hom Rauv | Kev tswj kom sov kub thiab kev tswj hwm huab cua zoo | High - zoo} zoo txias -} rolled coils |
| Lub Tshuab Nqus Tsev Hluav Taws Xob | Tsis muaj oxidation, ci deg saum toj | High -}} allots, Aerospace Cov Ntaub Ntawv |
4. Piv txwv: Kev ci annealing txheej txheem rau stainless hlau
Chaw thau khoom → ua kom muaj roj (h₂) → cua sov rau 1050℃→ Rising rau 60 min → Ceev ceev cua txias → sai li cas unloading
Cov khoom kawg muaj akaj, oxide -} dawb nto, cov qauv coj mus tsis zoo, thiab txhim kho ductility.
