Thermal Shock

Temperature shock testing has two objectives; 1) to determine if the test item can satisfy its performance requirements after exposure to sudden changes in temperature of the surrounding atmosphere and 2) to determine if the thermal shock test item can be safely operate following exposure to the sudden change in temperature of the surrounding atmosphere.

Examples of problems that could occur as a result of exposure to sudden changes in temperature include but are not limited to:

  • Shattering of glass, vials and optical equipment

  • Binding or slackening of moving parts

  • Separation of constituents

  • Changes in electronic components

  • Electronic or mechanical failures due to rapid water or frost formation

  • Cracking of solid pellets or grains in explosives

  • Differential contraction or expansion of dissimilar materials

  • Deformation or fracture of components

  • Cracking of surface coatings

  • Leaking of sealed compartments

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    Mr. Zhang
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