초록 ▼

A core composition of a metal-cored wire comprising a combination of graphite and potassium compounds has been proven to stabilize the arc in a straight polarity welding configuration. In particular, adding a combination of graphite and potassium manganese titanate (K2MnTiO4) and potassium sulfate (

A core composition of a metal-cored wire comprising a combination of graphite and potassium compounds has been proven to stabilize the arc in a straight polarity welding configuration. In particular, adding a combination of graphite and potassium manganese titanate (K2MnTiO4) and potassium sulfate (K2 SO4) in the preferred combination of graphite and potassium compounds from the range of about 0.3% to about 5.0% wt resulted in a greatly stabilized arc, reduced spatter and reduced warpage while maintaining high deposition rates of the DCEN welding process

대표청구항 ▼

What is claimed is: 1. A wire comprising a sheath encapsulating a core having a core composition, the core composition comprising a combination of graphite and one or more compounds of potassium, the combination of graphite and compounds of potassium in the core composition not exceeding approximat

What is claimed is: 1. A wire comprising a sheath encapsulating a core having a core composition, the core composition comprising a combination of graphite and one or more compounds of potassium, the combination of graphite and compounds of potassium in the core composition not exceeding approximately 5% by weight and wherein the compounds of potassium comprise K2MnTiO4 and K2SO4. 2. The wire of claim 1, wherein the combination of graphite and one or more compounds of potassium in the core composition is selected from the range of about 0.3% to about 5% by weight. 3. A process of manufacturing a metal-cored wire comprising: shaping a metal sheath into a fillable shape; filling the sheath with a core composition to form a core, the core composition comprising a combination of graphite and one or more compounds of potassium, wherein the compounds of potassium comprise K 2MnTiO4 and K2S4 the combination not exceeding approximately 5% by weight; and encapsulating the core by the sheath to form a metal-cored wire. 4. The process of claim 3 wherein the core composition is a powder. 5. The process of claim 3, wherein the combination is selected from a range of about 0.3% to about 5.0% by weight.