Abstract: Various embodiments include apparatuses adapted to be used as a replacement oil cartridge tip. In some embodiments apparatuses include a replacement swirler ring for an oil cartridge tip, the replacement swirler ring having an annular main body including an inner diameter surface sized to be joined to an outer diameter surface of the oil cartridge tip by a metal joining process including one of brazing, welding temperature or mechanical interference and an outer diameter surface including channels evenly spaced about a primary axis of the annular main body, wherein the annular ring includes a material that is at least as wear-resistant as a material of the oil cartridge tip.

Abstract: A bimetallic ring for use as a turbine shroud in a gas turbine engine. The bimetallic ring forms a sealing surface as a hot gas flow path boundary in the engine. The ring is comprised of two materials. The first material, a wrought, oxidation resistant metal alloy comprises a first portion, which is the hot gas flow path sealing surface. The second material, a low cost low alloy steel, comprises a second portion that may be at least a pair of supporting side plates. A dissimilar weld joint joins the sealing surface to the second portion, the at least pair of supporting side plates.

Abstract: A turbine component and a process of fabricating a component are disclosed. The process includes excavating a base metal of the component to form a fill region and filling the fill region with a filler metal. The filler metal has a filler metal elongation that is at least 25% greater than a base metal elongation of the base metal. The filler includes, by weight, between about 4% and about 7% iron, between about 14% and about 17% chromium, between about 15% and about 17% molybdenum, between about 3% and about 5% tungsten, up to about 0.02% carbon, up to about 1% manganese, up to about 2.5% cobalt, and a balance of nickel and/or the filler metal elongation is greater than about 35% in/in per two inches.

Abstract: A brazing process, a braze arrangement, and a brazed article are disclosed. The brazing process includes brazing an article with a braze arrangement. The braze arrangement includes a first braze material and a second braze material, the first braze material having a first melting point and the second braze material having a second melting point, the first melting point differing from the second melting point. The brazed article includes a treatment region, a first brazed material positioned within the treatment region, and a second brazed material positioned distal from the article in comparison to the first brazed material. The first brazed material is formed by the first braze material and the second brazed material is formed by the second braze material.

Abstract: Various embodiments include apparatuses adapted to be used as a replacement oil cartridge tip. In some embodiments apparatuses include a replacement swirler ring for an oil cartridge tip, the replacement swirler ring having an annular main body including an inner diameter surface sized to be joined to an outer diameter surface of the oil cartridge tip by a metal joining process including one of brazing, welding temperature or mechanical interference and an outer diameter surface including channels evenly spaced about a primary axis of the annular main body, wherein the annular ring includes a material that is at least as wear-resistant as a material of the oil cartridge tip.

Abstract: A crack-resistant member for preventing crack propagation, a method of preventing crack propagation, and method of assembly a tower are provided. The crack-resistant member includes at least one insert attached to at least one removed portion at a predetermined location along a girth weld and adjacent a heat affected zone of the tower. The at least one insert is positioned perpendicular to a weld direction and intersecting the girth weld. The at least one insert prevents crack propagation in the girth weld of the tower.

Abstract: Disclosed is a fuel nozzle and a process of fabricating a fuel nozzle. The fuel nozzle includes a fuel nozzle end cover and a fuel nozzle insert. The fuel nozzle insert is welded to the fuel nozzle end cover by a welding process selected from the group consisting of beam welding, solid state welding, and combinations thereof and/or the fuel nozzle insert includes a first fuel nozzle insert portion and a second fuel nozzle insert portion. The process includes welding the fuel nozzle insert to the fuel nozzle end cover.

Abstract: A support structure for a gas turbine exhaust system having an exterior shell, an interior liner, and insulation therebetween, the support structure including a support bar welded to the exterior shell, wherein the support bar weld includes a first filler material including a carbon steel filler material. The support structure further including a stud welded to the support bar and coupled to the interior liner, wherein the stud weld includes a second filler material including a low percentage of chromium.

Abstract: A brazing process, a braze arrangement, and a brazed article are disclosed. The brazing process includes brazing an article with a braze arrangement. The braze arrangement includes a first braze material and a second braze material, the first braze material having a first melting point and the second braze material having a second melting point, the first melting point differing from the second melting point. The brazed article includes a treatment region, a first brazed material positioned within the treatment region, and a second brazed material positioned distal from the article in comparison to the first brazed material. The first brazed material is formed by the first braze material and the second brazed material is formed by the second braze material.

Abstract: A crack-resistant member for preventing crack propagation, a method of preventing crack propagation, and method of assembly a tower are provided. The crack-resistant member includes at least one insert attached to at least one removed portion at a predetermined location along a girth weld and adjacent a heat affected zone of the tower. The at least one insert is positioned perpendicular to a weld direction and intersecting the girth weld. The at least one insert prevents crack propagation in the girth weld of the tower.

Abstract: A crack-resistant member for preventing crack propagation, a method of preventing crack propagation, and method of assembly a tower are provided. The crack-resistant member includes at least one insert attached to at least one removed portion at a predetermined location along a girth weld and adjacent a heat affected zone of the tower. The at least one insert is positioned perpendicular to a weld direction and intersecting the girth weld. The at least one insert prevents crack propagation in the girth weld of the tower.

Abstract: A fatigue load resistant structure includes a fatigue loaded portion and a weldable fatigue loading resistant feature. The fatigue loaded portion includes a first elongation material. The weldable fatigue loading resistant feature includes a second elongation material secured to the fatigue loaded portion of the fatigue loaded structure. The first elongation material is less ductile than the second elongation material, and the weldable fatigue loading resistant feature can reduce, retard, or eliminate formation of cracks due to tensile and compressive forces.

Abstract: A bimetallic ring for use as a turbine shroud in a gas turbine engine. The bimetallic ring forms a sealing surface as a hot gas flow path boundary in the engine. The ring is comprised of two materials. The first material, a wrought, oxidation resistant metal alloy comprises a first portion, which is the hot gas flow path sealing surface. The second material, a low cost low alloy steel, comprises a second portion that may be at least a pair of supporting side plates. A dissimilar weld joint joins the sealing surface to the second portion, the at least pair of supporting side plates.

Abstract: A crack-resistant member for preventing crack propagation, a method of preventing crack propagation, and method of assembly a tower are provided. The crack-resistant member includes at least one insert attached to at least one removed portion at a predetermined location along a girth weld and adjacent a heat affected zone of the tower. The at least one insert is positioned perpendicular to a weld direction and intersecting the girth weld. The at least one insert prevents crack propagation in the girth weld of the tower.

Abstract: A turbine component and a process of fabricating a component are disclosed. The process includes excavating a base metal of the component to form a fill region and filling the fill region with a filler metal. The filler metal has a filler metal elongation that is at least 25% greater than a base metal elongation of the base metal. The filler includes, by weight, between about 4% and about 7% iron, between about 14% and about 17% chromium, between about 15% and about 17% molybdenum, between about 3% and about 5% tungsten, up to about 0.02% carbon, up to about 1% manganese, up to about 2.5% cobalt, and a balance of nickel and/or the filler metal elongation is greater than about 35% in/in per two inches.

Abstract: Disclosed is a fuel nozzle end cover, a fuel nozzle and a process of fabricating a fuel nozzle end cover. The fuel nozzle end cover includes a base material and one or more features extending from the base material into a cavity of the fuel nozzle end cover. The one or more features are secured to the base material by a process selected from the group consisting of beam welding, friction welding, gas tungsten arc welding, gas metal arc welding, and combinations thereof. The fuel nozzle includes a fuel nozzle insert and a fuel nozzle end cover. The process of fabricating the fuel nozzle end cover includes providing a base material and securing one or more features to the base material by a welding process selected from the group consisting of beam welding, friction welding, gas tungsten arc welding, gas metal arc welding, and combinations thereof.

Abstract: Disclosed is a fuel nozzle and a process of fabricating a fuel nozzle. The fuel nozzle includes a fuel nozzle end cover and a fuel nozzle insert. The fuel nozzle insert is welded to the fuel nozzle end cover by a welding process selected from the group consisting of beam welding, solid state welding, and combinations thereof and/or the fuel nozzle insert includes a first fuel nozzle insert portion and a second fuel nozzle insert portion. The process includes welding the fuel nozzle insert to the fuel nozzle end cover.

Abstract: An explosion-welded turbine shroud and a process of forming an explosion-welded gas turbine shroud are disclosed. The explosion-welded gas turbine shroud includes a first alloy explosion welded to a second alloy. In the explosion-welded gas turbine shroud, the first alloy forms at least a portion of a hot gas path or an expansion region of the gas turbine shroud includes the first alloy. The process includes explosion welding a first alloy to a second alloy to form the gas turbine shroud.

Abstract: A fatigue load resistant structure includes a fatigue loaded portion and a weldable fatigue loading resistant feature. The fatigue loaded portion includes a first elongation material. The weldable fatigue loading resistant feature includes a second elongation material secured to the fatigue loaded portion of the fatigue loaded structure. The first elongation material is less ductile than the second elongation material, and the weldable fatigue loading resistant feature can reduce, retard, or eliminate formation of cracks due to tensile and compressive forces.