Thaum Post - Weld Kev Kho Tshav Kub yog feem ntau tsis tsim nyog
Daim hlau nyias nyias (feem ntau tsawg dua los yog sib npaug rau 16 hli): Cov ntaub ntawv nyias nyias zais txiav tawm thaum tshav kub kub sai sai, ua rau cov neeg muaj kev ntxhov siab tsawg thiab muaj kev ntxhov siab. Q355Snh's tau txais txoj kev nruj me me tuaj yeem yooj yim rau cov kev ntxhov siab me me, thiab kev pheej hmoo ntawm kev tawg txias lossis tawg yog tsawg heev.
Yooj yim, qis - kev ntxhov siab qauv: Cheebtsam nrog me me weld volumes (piv txwv li cov nkhaus me me, xws li cov ntaub ntawv sib koom ua ke (xws li {}} kev cia siab rau kev ntxhov siab me me. Raws li ntev raws li cov txheej txheem vuam txheem txheem tswj hwm (zoo li preheating 50-100 degree) yog nyob rau hauv qhov chaw, kev sib koom ua ke yog txaus.
Ib puag ncig me me: Rau cov seem siv hauv tsev, tsis muaj {{
Thaum Post - Weld Kev Kho Kub yog qhov tseem ceeb
Thick plates (usually >20mm): Tuab Q355Nh txias maj mam tom qab vuam, uas yuav tsim nyuaj, loj hlob micrtructures (piv txwv li, bainite) hauv tshav kub}} be} cuam tshuam cheeb tsam (Hz). Nyob rau tib lub sijhawm, loj weld calumes thiab cov kev txwv ruaj nras ua rau muaj kev ntxhov siab yooj yim, yooj yim ua rau kev tawg txias. Pwht muag lub haz thiab tso kev ntxhov siab kom tsis txhob ua tiav.
High - kev ntxhov siab lossis tseem ceeb heev load - cov kabmob sib xyaw: Rau feem cov kabmob static hnyav loads (piv txwv li cov nqaj hlau pob qij txha), piv txwv, cov cuab yeej ua kom muaj zog tuaj yeem nrawm kev ua kom nrawm dua. Pwht (tshwj xeeb tshaj yog kev ntxhov siab - pa annealing) tshem tawm 60% -80% ntawm cov kev ntseeg siab ntev, txhim kho ntev} sij hawm kev ntseeg tau.
Kev Pabcuam Kev Pabcuam Loj: Hauv marine ntsev tsuag, muaj sulosive atomospheres, c chloride resisture (mismate}} Cov hlau) lossis ua rau brittle maracure. PWHT ua kom ua cov weld microstructure kom phim cov hauv paus hlau kev ua haujlwm.
