The Study of MIG-Flux Welding Technology of Stainless Steel

• Main Authors: Chin-Shan Tu, 杜金山
• Other Authors: Chang-Pin Chou
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/72186962524170804723

碩士 === 國立交通大學 === 工學院碩士在職專班精密與自動化工程學程 === 93 === The effect of adding activating fluxes on the morphology, distortion in austenitic stainless steel were investigated. An autogenous gas MIG welding was conducted on type 304 stainless steel . Activating fluxes of oxide, carbonate and fluoride were used to produce a butt weld. The experimental results indicated that the activating fluxes MnO2、MgO can give a full penetrated, narrower heat-affected zone, in stainless steel weldments under the same welding parameters. Furthermore, the MnO2、CaCO3、MgO、CaO can obtain a full penetration without slotting in MIG-flux stainless steel weldment. It was also found that the fluxes of MnO2、CaCO3、MgO、CaO can not cause a significant change on microstructure and mechanical property in austenitic stainless steel welds.