Highly Accelerated Life (HALT)
HALT Testing, usually referred to as Extremely Accelerated Life Testing, is a method used to identify the flaws of the product. Temperature and vibration, the two most typical testing stimuli, can cause failure modes more quickly than conventional testing methods.
HIGHLY ACCELERATED LIFE (HALT)
In HALT testing, high-stress levels are applied for short periods of time, far beyond the anticipated field environment, as contrary to low-stress levels over extended periods. Variables are increased until anomalies are observed using an incremental step stress technique. HALT testing is not a pass/fail test because it is intended to produce failures, so in order to get the most out of testing, root cause investigation and corrective action are necessary.
Before the product is released onto the market, it creates the opportunity to continuously improve the design and offers opportunities to learn more about the product’s design and material limits. Since most things are only as strong as their weakest link, testing should be repeated in order to gradually increase the product’s overall robustness.
Five distinct tests are often included in a HALT testing program:
- Step stress at high temperatures
- Step stress at low temperatures
- Step-stress vibration
- Step-stress vibration Thermal cycling
- Multiple combined Environments
Every test has a distinct objective. This could involve analyzing how materials degrade in cold and hot conditions, finding mechanical problems, or getting a better understanding of potential electrical problems.
Video 01: (HALT) Highly Accelerated Life Test for Design
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