Friday, December 18, 2009

Thermal Cycling for Aerospace, Spacecraft and Satellite Components

The Cryogenic Institute of New England, Inc. offers a full range of thermal cycling processes created for a range of different applications. We are able to meet the most dramatic thermal cycling requirements because of our experience with liquid helium processing. Most of our work involves the use of liquid nitrogen. However when specifications require going below -320°F, helium is required.

We have created standard thermal cycling profiles and we can also thermal cycle using your provided specifications. As an ITAR registered company, we are also capable of fulfilling MIL/DOD specifications. Due to confidentiality agreements and Federal laws we are unable to disclose information relating to most of these thermal cycling projects.

Why should companies use thermal cycling on the aerospace and space components?

1. Thermal cycling relieves residual stresses in metals and other materials. As temperatures are lowered well below freezing, molecular activity continues to be reduced. It is at absolute zero (-459°F) that no further energy can be extracted from a material. At this point, residual stresses are relieved and they will not return once the cycle has arrived back at ambient temperature. Our thermal cycling processes typically utilize multiple heating and cooling cycles. Depending on the specifications of the thermal cycle, we will make holds at these hot and cold temperature extremes.

2. Thermal cycling conditions parts prior to exposure to extreme temperature environments. It is ideal for engineers and research and design experts to see how temperature extremes will affect their parts. This is very typical for aerospace components which cycle between very wide temperature extremes from land, to Earth’s atmosphere and beyond.

3. Thermal cycling supports lab and research & design work for testing in extremely cold environments. This allows engineers to better understand how cold temperatures will affect the materials they elect to use in specific applications. Through our experiences with thermal cycling, we have developed a wide range of techniques to meet our customer’s thermal cycling requirements. We have utilized temperature controlled atmospheric chambers as well as immersion treatments in the past. Cryogenic thermal cycling has become a mainstay of our business and we expect to expand these capabilities through the knowledge that we continue to acquire about thermal cycling.

For more information about thermal cycling, please visit our thermal cycling web page or call Robin Rhodes or Ryan Taylor at (508) 459-7447.

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