"Deformation" of the low temperature test chamber

After undergoing a severe low-temperature test, some test samples may experience changes in their shape or structure. However, it's not complicated to restore them back to their normal state. Here are the recommended methods for sample recovery: 1. Place the test samples under standard atmospheric conditions until they fully thaw. This allows the samples to gradually return to room temperature and regain their original form. 2. To remove any condensation or water droplets that may have formed during the cooling process, you can gently shake the samples by hand or use a stream of air at room temperature for a short period. 3. If required by applicable standards, the test sample should be powered on or subjected to load during the recovery phase, and its performance should be continuously monitored throughout the process. 4. In cases where standard atmospheric conditions are unsuitable for the specific test sample, the relevant specifications may outline alternative recovery procedures. 5. When recovering under standard atmospheric conditions, ensure that the recovery time is long enough to allow the sample to reach thermal stability—ideally for at least one hour. If multiple samples are being tested simultaneously, the longest recovery time among them should be considered. All necessary measurements must be completed before the end of this period. By following these steps, you can effectively restore your test samples and ensure accurate post-test evaluations.

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