Testing  for Resistance  To Thermal Shock

Thermal Shock Unit

APPLIED TECHNICAL SERVICES PERFORMS RESISTANCE THERMAL SHOCK TESTING TO AN ASSORTMENT OF INDUSTRY STANDARDS. WE CAN USE THIS METHOD TO HELP CLIENTS DISCOVER THEIR PRODUCTS’ THERMAL FAILURE POINTS.

The Underlying Science

Matter expands and contracts when exposed to heat and cold. The rates at which they undergo this expansion or contraction will, like other thermal properties, vary between materials. Extreme temperature fluctuations can cause objects to suffer a type of structural trauma called thermal shock. It occurs when strain caused by the surface of the object expanding or contracting at a different rate than its internal parts overwhelms the tensile strength of the surface material. Releasing that pressure undermines the structural integrity of the object.

Thermal shock usually presents itself as a crack that grows if ignored, which can lead to serious structural failure. Equipment made of multiple component materials may be especially susceptible to thermal shock, as the different components undergo thermal expansion at different rates. To establish their products’ resistance to thermal shock, manufacturers send test samples to Applied Technical Services for thermal shock testing. Our technicians can discover your product’s failure point and whether there is a thermal coefficient mismatch between its constituent materials.

About the Method

To perform thermal shock testing, ATS technicians place the sample in a unit specialized to induce thermal shock by exposing sample materials to rapidly changing temperatures for a pre-determined number of cycles. The unit features a moving basket to quickly move test subjects between its two chambers, one hot and one cold. Our equipment can generate temperatures anywhere between -60°C and 170°C, subjecting the sample to conditions as brutal as the client may need their product to withstand.

Specific conditions will vary; unless the client requests that we perform this test to an existing standard, individual product needs will dictate the temperature range and the number of cycles applied to the sample. ATS’ technicians are experienced in performing the method to all sorts of specifications and all relevant standards. Clients may change their constituent materials to hardier stuff depending on the nature of our findings.


ATS & Thermal Shock Testing

For over 50 years, ATS has provided testing, engineering consulting, and inspection services of a sterling caliber. Our satisfied clients come from a range of industries and have operations all over the world. We pride ourselves in returning accurate findings quickly, a product of our roster of expert technicians and collection of powerful equipment. No matter the severity of conditions your product needs to survive, ATS can help you find its resistance to failure from thermal shock.

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