MTI Profile

Applied Thermal Technologies

July 10, 2013
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One vacuum furnace serving just the orthopedic industry in northern Indiana. That’s how Applied Thermal Technologies got its start in 1992. Micky Bradican, a long-time heat-treat shop manager with a degree in metallurgy and decades of experience, opened the company after noticing a need for vacuum heat treating and brazing in the area.

    Today, the Nadcap-accredited company specializes in bright vacuum heat treating and brazing of stainless steels and exotic alloys for the medical, aerospace, food and injection-molding industries across the country. It boasts nine vacuum furnaces with seven auxiliary ovens and deep freeze capabilities. Applied Thermal Technologies can process your aerospace heat treating to AMS 2759/1, AMS 2759/2, AMS 2759/3, AMS 2759/4, AMS 2759/5, AMS-H-81200, AMS 2801, AMS-H-6875 CL-A, AMS-H-6875 CL-B and AMS-H-6875 CL-C specifications. Some of its clients include Bell Helicopter and Rolls-Royce.

    There is no question that vacuum heat treatment of stainless steels and titanium is Applied Thermal Technologies’ niche. In fact, the processing of stainless steels and water quenching of titanium to Nadcap requirements are the fastest-growing area of its business. The company offers vacuum heat-treating services in the form of solution annealing, precipitation hardening, stress relieving, harden and temper, and homogenizing castings. Its vacuum furnaces can reach temperatures up to 2800˚F and have vacuum levels to 10-6 torr, with all-metal hot zones and extremely rapid cooling.

    The Warsaw, Ind.-based company is also a leading provider of brazing services using various precious-metal alloys. Its brazing techniques produce extremely clean, superior, flux-free braze joints of high integrity and strength. 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. Applied Thermal Technologies also specializes in the bright brazing of stainless steel and exotic alloys to service the medical and specialty-products industries, and it can perform annealing of copper and copper alloys. The longtime MTI member is capable of brazing per MIL-B-7883, AWS 3.6, AMS 2765 or customer specifications.

    The company uses state-of-the-art, precision-controlled vacuum heat-treating and atmosphere furnaces to meet desired temperature processing conditions and surface conditions. Applied Thermal Technologies has the ability to perform difficult braze operations, like those associated with titanium brazing, using vacuum furnaces to limit the oxidation and contamination of the titanium surfaces from the temperature required to braze titanium. 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.

      Applied Thermal Technologies is able to provide the highest-quality end product and materials because of its processes and technical expertise. The company also takes price into consideration and uses the most cost-effective methods possible to treat the material. Benefits include quality, value and fast turnaround time, particularly for unique applications.

    To ensure the quality of its work, Applied Thermal Technologies has invested in inspection equipment, state-of-the-art communication, digital media recording, an emergency data-recovery system and a metallographic lab. Hardness testing is performed on a validated tester to ensure repeatable, accurate results. Process capabilities are validated for the full range of heat-treat processes to meet the most stringent OEM heat-treat validation protocol for 17-4 SS PH, 455 SS and 465 SS materials. Software validations are also performed to ensure proper operation and retention of data.

    As for customer service, daily Work in Process (WIP) e-mails notifying clients of product status and online certifications allow the customer to view and print any certification for previously processed orders. And in an effort to become more environmentally friendly, or “green,” Applied Thermal Technologies is in the process of installing closed-loop cooling systems. IH

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