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TestLab Test & Solutions

Thermal Shock Test

What is a Cold Thermal Shock Test?

The cold thermal shock test is a test to evaluate the reliability of EUT by exposing it to alternating high and low temperatures for short periods of time, and is one of the environmental tests used to check how well electronic components and devices can withstand changes in ambient temperature.
Expansion and contraction due to temperature changes generate stress in areas where different materials are joined, and differences in the heat capacity and thermal time constant of the different elements that make up the device also cause stress. Repeatedly, this can lead to cracking and fracture, and repeated stresses can cause material fatigue to accumulate, resulting in fracture at a lower strength than the static strength. In addition, cracking of joints, peeling of coatings, and loosening of screws can also be caused by repetitive stress, and these repeated temperature changes are used to evaluate products that are exposed to sudden temperature differences.

Thermal Shock Test

Steps to Examination

  • STEP

    01

    STEP01

    Inquiries

  • STEP

    02

    STEP02

    Discussion of test content

  • STEP

    03

    STEP03

    Adjustment of test schedule

  • STEP

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    STEP01

    test run

  • STEP

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    test report

Features of IMV Tests and Solutions

We can carry out vibration and shock tests on behalf of our customers, develop test conditions and assist with countermeasures in the event of failure.

We are always available to help you with the following requests and problems

  • You do not know how to determine the test conditions.
  • There is no problem in the field even though the test has failed.
  • Want to reproduce a failure that occurred in the field, but the test does not show the same failure mode.
  • The customer has presented us with test conditions, but you do not know what to do.
  • Wants to review whether the existing test method is appropriate.
  • If a problem occurred in the test, was it solved with a single design change?
  • Want to design a product with the vibration/shock environment in mind from the development stage.

Vibration and shock testing requires a high level of expertise and extensive experience, but it is quite costly to train and maintain such specialists in each company. One solution is to outsource various vibration-related issues. The IMV Test Lab has a number of solutions, so feel free to contact us for more information.

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