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Strain measurement: importance and advantages over materials

Every material has its breaking point. As the users of the materials, it is best should you are made aware of the point of breaking. Otherwise, you can overuse the product and end up damaging the whole project. Thus, manufacturers tend to provide the value for the same. This is so done by conducting strain measurement through respective instruments.

Through this process, the material is stretched and compressed to see what turns into shreds. The point of the time when the material starts to get distorted, and you can find the strength and capacity of such materials through this strain management process. Strain measurement is represented by a stress-strain curve that gives the engineers an idea wherein they can compare different material potential.

Why is it important to adhere to strain measurement?

As a company, you should provide a certain value after which the material will start to collapse. Otherwise, the users or engineers are not aware of the amount of pressure that the product can withstand. When they reach and exhaust their potential, the materials collapse, and you as a manufacturer, you will have to bear the damage cost.

Moreover, it is important to justify the durability of a certain product to understand its strength. Additionally, strain measurement is also conducted to check the behavior of the material under pressure. Interestingly, the machines that conduct these kinds of tests on materials are known as extensometers.

How do you measure strains?

The purpose of strain measurement is to understand the amount of stress that a material can withstand. Before the process starts, you must observe the behavior of the material under stress. Accordingly, to Hooke’s law, the length of the material will change under stress.

The amount of strain that you provide on a material cannot be understood by the naked eye. The change in behavior is very small, thus one needs a very accurate device to understand the value of stress over materials.

Advantages of strain testing:

Measurement of material strains is not an easy job. It is important to check the machines and instruments that administer strain measurement. Nonetheless, some of the advantages of using strain measurement devices:

  • They are highly accurate. Measurement of strains needs to be accurate to determine the strength of a product or material. With instruments like strain gauge, the accuracy is close to 2%.
  • Having a strain gauge installed is a piece of cake. It is small and light, so it gets easily attached without hampering the stress of the product.
  • You can use these instruments in any kind of environmental aspect. Temperature and climate barely hinder the measurement. They can perform their task even with low rotation speed and around highly magnetic fields.

Why should you call for professionals?

It is not a huge task to make strain measurements. But the challenge is to pick out the correct instruments for the same. There are many devices available in the market that would promise accuracy. It is your job to understand what works best for you. This can be done with proper research. Another way to go about it is to rely on professionals who have been working with the devices for years. You can search such strain management services online to choose the best one.


There are many types of devices designed for the accurate measurement of materials. They are used for different materials essentially having the same purpose. The importance of strain measurement is enough stressed on and thus one should make sure that they come up with proper results and provide proper information.