Ua rau ntawm porgosity discurks

Thaum lub sij hawm vuam txheej txheem ntawm muab kauv steel kav, cov chaw huab cua yuav muaj nyob rau saum npoo ntawm Weld lossis hauv kev puas tsuaj, thiab qhov tsis xws luag yog porosity. Lub hauv paus tseem ceeb ntawm porosity tsis xws luag yog vim tsis huv kev kho mob ntawm weld, nrog muaj dej noo lossis xeb. Thaum lub sij hawm vuam txheej txheem, nyob rau hauv cov kev cuam tshuam ntawm siab vuam kub, impurities xws li noo noo pib ua kom yaj. Vim tias qeeb evaporation los noo lossis xeb, cov kab noj hniav hauv cov hlau molten, thiab cov kab ke; Tshwj xeeb tshaj yog thaum Bevel Vuam, Kev ntxuav tsis tiav ntawm Bevel tuaj yeem yooj yim ua rau kev tsim cov roj teeb tsis zoo. Lub xubfuag tsis xws luag yuav cuam tshuam rau lub vuam zoo ntawm weld, uas txo tau lub zog ntawm weld thiab yooj yim ua rau weld cracking.