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Why Do We Need HALT Testing, And What Does It Entail?

Jan 11

Product reliability and customer confidence might both benefit from the use of Highly Accelerated Life Testing.

Dependability may be promptly evaluated, and any manufacturing faults that might cause field failures can be found, all with the help of Highly Accelerated Life Test (HALT).

The HALT method uses a series of stressors to find design and manufacturing defects in a product before it goes to market. It may also be utilized in the production phase to spot problems with the product's construction before they cause failure in the field.

The HALT procedure typically consists of five different types of thermal stress: cold thermal step stress, hot thermal step stress, rapid thermal shock stress, vibration step stress, and combined thermal and vibration stress.

The most common time for HALT testing to occur is during the development stage of a product, when it may help find bugs and make a product more reliable. By pushing the product beyond its intended use, its operational and destruction boundaries may be revealed, and expansion options can be considered. There is a chance to save design time, increase reliability, and cut costs with every potential weak point.

The effectiveness of whole systems, modules, and parts is evaluated at HALT test facilities. To save product development costs, engineers simulate actual environments and weather conditions to check for any unforeseen issues before releasing a product to the public. By keeping an eye on how the system fares under stress, testers may glean valuable information about the structure's susceptibility to damage, thermal reactivity, useful life, and more.

Professionals with knowledge of HALT can design complete HALT systems. In addition to HALT, full turnkey services such as CAD test fixture design, material procurement, and machining are on offer.