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Austenitic stainless steels are divided into 300-series and 200-series subgroups. In 300 series stainless steels the austenitic structure obtained primarily by adding nickel. In 200 series stainless steels the structure is obtained by adding manganese and nitrogen, with a small amount of nickel content, making 200 series a cost-effective nickel ...
While weldability can be generally defined for various materials, some welding processes work better for a given material than others. Even within a certain process the quality of the weld may vary greatly depending on parameters, such as the electrode material, shielding gases, welding speed, and cooling rate. [1]
Maraging steels are usually described by a number (e.g., SAE steel grades 200, 250, 300 or 350), which indicates the approximate nominal tensile strength in thousands of pounds per square inch (ksi); the compositions and required properties are defined in US military standard MIL-S-46850D. [10]
For copper, nickel, kovar, and molybdenum-manganese metallized ceramics. 62.5: 37.5: Au 80 Cu 20: Au–Cu 891 [75] 908/910 [73] – BAu-2, Gold Braze 8020. Eutectic. Loses ductility above 200 F. [73] 20: 80: Au 80 Sn 20: Au 280 [54] – Au80, Indalloy 182, Premabraze 800, Orotin. Good wetting, high strength, low creep, high corrosion resistance ...
AerMet 100 alloy is somewhat more difficult to machine than 4340 at HRC 38. Therefore, carbide tools are usually used. Standard shapes that are available include round, sheet, welding wire, billet, plate, strip and wire. [2] AerMet alloy is special in that it must be hardened twice in order to reach its maximum effectiveness.
Using a high energy mill to favor plastic deformation required for cold welding and reduce the process times; Using a mixture of elemental and master alloy powders (the latter to reduce the activity of the element, since it is known that the activity in an alloy or a compound could be orders of magnitude less than in a pure metal)
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