Vacuum Furnace Brazing Services
Want to combine the best qualities of one metal with another? Not a problem. Through the process of vacuum furnace brazing or vacuum diffusion bonding, we can join the alloys used in your applications. It’s a low distortion method that results in ultra-strong parts.
Both a clean assembly room and a high-purity brazing furnace with excellent temperature control are crucial to the process. We’ve got that covered. Also, the assembly and brazing of your materials is carried out by highly skilled operators with up to date knowledge sustained through continuous training.
Gold, Silver, Nickel, Copper, Palladium Alloys, or other alloys
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The lower temperature of brazing is less likely to distort the work piece or induce thermal stresses. For example, when large iron castings crack, it is almost always impractical to repair them with welding. In order to weld cast-iron without recracking it from thermal stress, the work piece must be hot-soaked to 1600 °F. When a large (more than fifty kilograms (100 lb)) casting cracks in an industrial setting, heat-soaking it for welding is almost always impractical. Often the casting only needs to be watertight, or take mild mechanical stress. Brazing is the premium, preferred repair method in these cases.For thin workpieces (e.g., sheet metal or thin-walled pipe) brazing is less likely to result in burn-through.
Brazing can also be a cheap and effective technique for mass production. Components can be assembled with preformed plugs of filler material positioned at joints and then heated in a furnace or passed through heating stations on an assembly line. The heated filler then flows into the joints by capillary action.
Braze-welded joints generally have smooth attractive beads that do not require additional grinding or finishing. The most common filler materials are dull in color, but fillers that more closely match the color of the base materials can be used if appearance is important.
Applied Thermal Technologies has the ability to perform difficult braze operations like those associated with Titanium brazing. Applied Thermal Technologies use vacuum furnaces with vacuum levels to limit the oxidation and contamination of the titanium surfaces from the temperature required to braze titanium. Contact an Applied Thermal Technologies team member today to discuss your titanium brazing needs.
6Al-4V (Grade 5)
CP Ti Grade 1
CP Ti Grade 2
CP Ti Grade 3
CP Ti Grade 4
CP Ti Grade 5
CP Ti Grade 6
CP Ti Grade 7
Specializing in bright brazing of stainless steel and exotic alloys. It was created in 1992 to service the medical and specialty products industries in Northern Indiana and have since expanded nationally. Our personnel work with customers in determining their particular requirements and are available for technical assistance in metallurgy, vacuum heat treating, and stainless steel brazing. Our stainless steel brazing continues to drive our business to the next level. Contact an Applied Thermal Technologies team member today to discuss your stainless steel brazing needs.
Brazable Stainless Steels
Aerospace brazing is done for super alloy components used in aerospace applications as they are typically joined together by vacuum furnace brazing or vacuum diffusion bonding with nickel and cobalt base filler metals containing melting point depressants such as boron and silicon. Aerospace brazing is carried out in high vacuum furnaces by holding the parts for a long period of time to diffuse away boron and silicon. During the aerospace brazing process our vacuum furnaces can reach temperatures to 2800°F and have vacuum levels to 10-6 Torr, all metal hot zones and extremely rapid cooling. Applied Thermal Technologies Inc. personnel work closely with each customer in determining their particular requirements and are available for technical assistance for your aerospace brazing, metallurgy and heat treating questions.
Applied Thermal Technologies can help in the Annealing of Copper and Copper Alloys. We have the atmosphere or vacuum furnaces available to meet desired surface conditions. Please contact an Applied Thermal Technologies team member today to discuss your copper heat treating needs, or ask about our vacuum furnace brazing services and vacuum diffusion bonding services.
Copper Vacuum Furnace Brazing (AMS2670, AMS2671)
Vacuum Brazing (brazing in vacuum atmosphere) is commonly used for ceramic materials due to the fact it can readily form oxide layers in air or partial pressure. Titanium-based, active metal brazing (ABA) is used in the vacuum furnace brazing of ceramics and is well suited for bonding metal and non-metal materials without the added time and expense of metalizing or thin-film sputtering. Please contact an Applied Thermal Technologies team member today to discuss your ceramic brazing needs.
Silicon Carbide (SiC)
Boron Carbide (B4C)
Titanium Carbide (TiC)
Tungsten Carbide (WC)
Titanium Nitride (TiN)
Silicon Nitride (Si3N4)
Applied Thermal Technologies is a leading provider of brazing services using various precious metal alloys. Using state of the art precision-controlled vacuum heat treating furnaces to meet atmosphere and temperature processing conditions. Please contact an Applied Thermal Technologies team member today to discuss your vacuum furnace brazing needs.
Precious Metals Filler Alloys
AMS4765, BAg-13, BAg-13A, AWS A5.8
Gold/Nickel, AMS4787, BAu-4
35% / 65%
Cusil®, Braze 720®, Braze 721®
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