Material testing is required in all industries for every product that is distributed into the market. This is especially true for building and car manufacturing industries. This is due to the fact that the materials used for finished products are capable of bringing harm to its users if it is manufactured incorrectly. To that end, material testing becomes a necessary procedure to protect consumers.
What Is Material Testing And How Is It Done?
Material testing is the process of establishing the properties of a material in comparison to a particular standard or specification. Products that are used for daily use, especially those under the medical industry have undergone material testing to make sure that their durability, reliability, and safety are unquestioned. With that said, this testing procedure is a necessity in every industry or sector that can potentially impact the life, health, and safety of its users.
This procedure is a very complicated process which cannot be done by manufacturers themselves; thus, they need to avail the services offered by companies that specialize in performing thorough testing procedures. There are 3rd party corporate companies that undertake the testing stage of materials. These companies have complete equipments and laboratories that can accommodate different types of products. They also test products through accelerated testing procedures, such as HALT to discover any problems with the materials.
HALT: Uncovering Weak Links
HALT is also known as Highly Accelerated Life Testing. This procedure is a series of techniques that uncovers various weak links innate to the design and production process of a new product. During this process, the product is subjected to increasing levels of stress- temperature, vibration, and rapid thermal changes. The accelerated stresses performed in combination, such as high temperature and vibration levels, are needed to compress and reduce the time to failure. This process aims to find problems and doing everything to correct the problems and get rid of the weaknesses.
The goals of this procedure include:
- Find out the about the multiple failure modes and root causes of failure
- Determine the limits of the products
- Figure out the functional destruct limits of the product
- Focus on vibration and thermal stresses.
When the product is subjected to stress beyond its design specification, its operational as well as destruct limits will be discovered, and proper decisions can be made with regards to increasing its margins. This accelerated testing process can rapidly find, improve and then find another weakness of the product. This cycle continues until there are no identifiable weaknesses found that can cause failure. Every weak link discovered provides an opportunity to improve the product design, functionality, or procedure. This will eventually lead to reduced design time, improved reliability, and reduce overall production costs. The main benefits of this accelerated testing procedure are the following:
- Lessen the time it takes to develop and design the product
- Timely release of the product into the market
- Improved product reliability and quality
- Lower warranty costs
- High profitability
If HALT is done properly, it can compress the design cycle while ensuring the delivery of reliable and mature products to the market. It is important that HALT as well as other procedures involved during materials testing must adhere to the standards. These standards have been tested and proven to offer excellent results that could mean the difference between saving a consumer’s life and taking one.
This guest post is written by Kris Lim. She aims to raise her reader’s awareness regarding the importance of materials testing. She also recommends her readers to click here if they want to read more about HALT and materials testing.
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