Dab tsi yog cov qauv tsis tau ua tiav hauv cov kav dej welded?
Qaug zog tawg ntawm kev ntxhov siab cov ntsiab lus. Corrosion-inducter ntsa thinning thiab pitting. Kev ntxhov siab corrosion tawg rau hauv ib qho chaw tshwj xeeb. Weld tsis zoo ua rau brittle bacture. Yaig-corrosion nyob rau hauv cov chaw siab tshaj plaws.
Kev txheeb xyuas tsis tau ua tiav li cas ntawm cov kav dej welded?
Kev kuaj pom cov ntaub ntawv tsis ua tiav cov yam ntxwv. Metallurgical tsom qhia bacture mechanisms. Tshuaj ntsuam xyuas cov khoom siv cov khoom muaj pes tsawg leeg. Kev ntsuas neeg kho txhua yam ntsuas ntsuas cov khoom seem. NDT cov hau kev ntsuas ntsuas qhov kev puas tsuaj.
Dab tsi ua rau muaj kev ntxhov siab corrosion tawg hauv welded kav dej?
Kev sib xyaw ua ke ntawm lub kaum toj kev ntxhov siab thiab ib puag ncig corrosive. Hnov micrtruction microstructures nyob rau hauv qhov kub-cuam tshuam zones. Muaj cov neeg sawv cev tshwj xeeb zoo li chlorides lossis leej faj. Kev kho kom sov tsis txaus. Kev xaiv tsis raug cai rau kev pabcuam.
Yuav ua li cas tuaj yeem qaug zog tsis tuaj yeem tiv thaiv hauv welded kav?
Tsim nyog tsim los txo cov kev ntxhov siab ntxhov siab. Tswj vuam los txo cov kev ntxhov siab ntau. Cov txuj ci kev txhim kho weld txhim kho xws li kev sib tw. Kev tshuaj xyuas ib txwm ntawm cov chaw siab ntxhov siab. Kev tswj hwm kev ua haujlwm los txwv kev voj voog cycling.
Dab tsi yog cov cim ntawm hydrogen-inducts tawg?
Kauj ruam-li cov kab nrib pleb mus sib txuas rau cov kev taw qhia dov. Ncua kev tawg tom qab vuam lossis kev pabcuam raug. Tus yam ntxwv brittle s tsos. Feem ntau tshwm sim hauv tshav kub-cuam tshuam rau thaj chaw. Ntau tshaj tawm nyob rau hauv high-zog steels.
