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Koj tseem nyob ntawm no: Lub tsev » Txoj moo » Sab Laj Chaw » Dej ca cov txheej zinc evaporate thaum vuam ntawm daim ntawv galvanized? Puas yuav muaj qhov hws lossis tawg tom qab vuam?

Yuav zinc txheej evaporate thaum vuam ntawm daim ntawv galvanized? Puas yuav muaj qhov hws lossis tawg tom qab vuam?

Views: 0     Sau: Tus xaib Editor Tshaj Tawm Lub Sijhawm: 2025-02-17 Keeb Kwm: Lub chaw

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Thaum lub sij hawm vuam ntawm galvanized ntawv, cov txheej zinc tej zaum yuav yaj thiab yuav muaj qhov hws lossis tawg tom qab vuam. Hauv qab no yog cov ncauj lus kom ntxaws ntxaws rau koj:

Evaporation ntawm zinc txheej

Qhov npau suav npau npau ntawm zinc yog qhov tsis tshua muaj qis, kwv yees li 907 ℃, thiab qhov kub thiab txias yog tsim rau thaum lub sijhawm vuam. Thaum lub reluam qhov ua haujlwm ntawm cov ntawv galvanized, nws qhov kub thiab kub tshaj qhov npau npau ntawm zinc. Yog li ntawd, thaum lub sij hawm vuam txheem, zinc hauv cov txheej galvanized yuav nrawm nrawm. Kev noj cov arc vuam ua piv txwv, qhov nruab nrab kub ntawm ARC tuaj yeem ncav cuag li 5000-5-8000 ℃. Thaum muaj qhov kub thiab txias, zinc yuav sai sai evaporate rau daim zinc vapor.

Vim li cas rau Pore tsim

Cov cawv ntawm zinc vapor: yog tias zinc vapor tsim los ntawm cov txheej txheem cua txias thaum lub sijhawm ua kom txias thiab cov qauv hlau, nws yuav tsim cov hws hauv Weld Seam. Lub cim ntawm Zinc Vapor nce cov roj av hauv lub pas dej molten, thiab cov pa dej nrawm nrawm ntawm cov roj av hauv lub sijhawm, ua rau muaj kev cuam tshuam tsis taus.

Hydrogen pores: noo noo thiab roj stains decompose thaum kub thiab txias tuaj yeem cuam tshuam nrog cov cua daj cua dub hauv cov huab cua puag ncig los ua cov roj hydrogen. Lub solubility ntawm hydrogen txo ntau lub sij hawm txias ntawm molten pas dej, thiab yog tias nws tsis tuaj yeem khiav txaus, hydrogen pores yuav tsim.

Cov laj thawj rau kev tawg

Kub tawg: Zinc thiab hlau yuav ua cov duab uas tsis tshua muaj kua ntoo ntawm cov qoob loo ua kua thaum lub zog weld, ua rau muaj kev sib raug zoo ntawm cov nplej. Thaum tus weld hlau raug rau qee qhov kev ntxhov siab tensile, nws yog qhov yooj yim los tsim cov kab nrib pleb kub hauv cov chaw tsis muaj zog.

Txias tawg: Lub vuam kev ntxhov siab tsim tawm thaum lub vuam txheej txheem thiab cov cawv ntawm lub micrd tsim thiab cov khoom ntawm weld hlau tuaj yeem nce tus brittleness ntawm weld hlau. Thaum lub weld txias rau qhov kub tsawg dua, txias tawg yuav tshwm sim vim kev ntxhov siab. Tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem nrog high rigidity los yog thaum vuam txheej txheem tsis yog xaiv tau, cov kab nrib txias yog qhov tshwm sim ntau dua.

Kev tiv thaiv kev tiv thaiv

Kev tshem tawm ntawm Zinc Txheej: ua ntej vuam, cov hau kev xws li cov txheej txheem kev siv tshuab los ntawm kev siv tshuaj vuam thiab li txo qhov tshwm sim ntawm porosity thiab tawg.

Xaiv cov vuam tsim nyog , xws li laser vuam, thiab lwm txoj kev kub ceev thiab muaj peev xwm txo cov cua sov thiab txo cov cua sov ntawm porosity thiab kev tawg.

Kev tswj cov khoom lag luam vuam: Tsim Kho Welding Tam Sim No, Txo Cov Vacaporation Thaum Tshav Kub Kub, thiab tiv thaiv kom muaj kev tsim cov hws thiab tawg.

Preheating thiab qeeb cua txias: kom zoo preheating ntawm welded qhov chaw tuaj yeem txo cov kev ntxhov siab thiab txo qhov tshwm sim ntawm cov kab nrib pleb txias. Tom qab vuam, cov kev ntsuas kom qeeb yuav tsum tau ua, xws li npog cov khoom siv weld kom muaj txiaj ntsig zoo rau kev ua kom txias thiab txo qhov kev tsim cov hws thiab tawg.


Yog tias koj muaj vuam tshuab yuav tsum tau, thov hu rau Ms. Zhao

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