摘要
本試驗採用氣體遮護金屬電弧銲（Gas Metal Arc Welding, GMAW）結合旋轉電弧（Spin-Arc）設備，對鋼材進行銲覆後，分析銲覆層及母材的稀釋率及化學成份影響。銲覆層可運用於修復模具缺陷與因使用後而產生變異或磨損的部位，亦可用於強化材料表面或局部零件的接觸面，得以延長其使用週期。試驗板材選用低碳鋼（SS400），板厚9.0 mm，銲覆層採用氣體遮護金屬電弧銲（GMAW）結合旋轉電弧設備進行銲覆製作，銲材選用符合AWS規範的A5.18M ER48S-6銲線。經由分光分析得知，銲覆層的化學成份與欲熔填銲線金屬成分相近，故使用旋轉電弧銲覆可將欲熔融材料覆面並降低銲覆層的稀釋率。
並列摘要
In this study, steel was welded by gas metal arc welding (GMAW) combined with rotating arc (Spin- Arc) equipment. Dilution rate and chemical composition of the welding layer were analyzed after welding. The weld overlay can be used to repair mold defects, deformation area or wears due to use, and can also be used to strengthen the contact surface of the material to extend its life. The test plate is made of low carbon steel (SS400) with a thickness of 9.0 mm. The welding layer is made of gas shielded metal arc welding (GMAW) combined with rotating arc equipment for welding. The welding wire material is selected according to AWS specification A5.18M ER48S-6. According to the spectroscopic analysis, the chemical composition of the solder layer is similar to the metal component of the melted wire, so that the molten material produced by gas shielded metal arc welding (GMAW) combined with the rotating arc can be used to cover the surface and reduce the dilution ratio of the solder layer.
延伸閱讀
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