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Compression Testing

What Properties of Materials Can Compression Testing Machines Measure?

Materials behavior under continuous application of increasing compressive force is measured using compression testing machines. Compression test results show how durable, secure, and robust a material or component is.

Common applications include testing the compression strength of metals, medical implants, stents, syringes, and packaging; testing the compression strength of composites with and without notches; and testing the compression strength of plastic pipes and tubes, cellular foam, paper, and cardboard. Composites can also be put through compression testing.

Compression test instruments and compression platens can be added to universal testing machine (UTMs) to adapt them for particular uses. Some factors are taken into account while selecting and setting up the tools in the machine, including the kind of test, the size and composition of the specimen, the test temperature, and the anticipated maximum force values.

What is the process for conducting compression testing? 

By sandwiching the material between the HEICO testing machine’s jaws or plates, the material is compressed. The last stage is to compress the content. The sample is compressed until it either breaks or reaches a predetermined distortion.

Up until the sample ruptures, the process is repeated. The device, which can be either an extensometer or a deflectometer, can be used to measure the strain or deflection applied to the sample.

What exactly is the purpose of conducting compression tests? 

Compression testing is used to determine how a material responds to compression. This can be accomplished by measuring significant characteristics including strain, stress, and deformation.

Numerous material properties, such as ultimate strength, compressive strength, yield strength, elastic modulus, and elastic limit, can be found using compression tests and similar Mechanical testing methods.

Once you are aware of all of these various factors and the values that go along with them, you can determine whether a HEICO CTM machine is suitable for a certain application or if it will fail at the recommended pressures with ease.

When Will Compression Testing Be Available? 

Compression testing is done to show how a material behaves. It is done when subjected to compressive loads. They can be used to determine the boundaries of ductile fracture. It also determines how well a material manages plastic flow.

They also control how a material reacts to crushing loads. When assessing the elastic and compressive fracture characteristics of brittle or poorly ductile materials, HEICO compression tests are an essential component. Compression tests are widely available. Compression tests is utilized in numerous sectors.

Here are some of the most important industries highlighted: 

Manufacturing of Aircraft and Associated Industries 

The automotive and aircraft industries also use compression tests as a standard component of their operations. They can be used to determine the compressive strength of materials. It is used in structural elements and engine parts. It is also used in other important components.

Industry of Commercial Buildings 

Compression test are used in the construction industry. It is to assess the compressive strengths of materials. These are such as cement and concrete. It also includes other building materials.

These tests are intended to verify that the building materials meet the required strength requirements. These can withstand the loads that will be placed on them.

Compression testing can assess the flexural strengths of building sheet materials and insulation boards. It also includes roofing panels. Pipelines, shotcrete, and plasterboard can all be tested for penetration simultaneously.

A few of the many varieties of compression testing are identified and described in the paragraphs that follow: 

Flexure/Bend 

Compression test is one method of evaluating Material strength and stiffness under bending. Flexure is another term for this kind of examination. It is another word for bending. Materials that go through this test include composites and metals. It also includes polymers and ceramics. This method is essential. It is for determining how long-lasting and high-quality certain materials are.

A specimen is loaded at one location and supported at two others to perform a flexure test. When applied in a perpendicular direction, the specimen becomes bent. Measured and recorded are the amount of deflection or deformation that occurs as well as the load required to cause the distortion.

Spring Testing

In the Material testing techniques, procedures in the Spring Compression springs are put through a series of tests to determine their overall performance characteristics.

Top-load/Crush

A specimen is exposed to a downward force during top-load testing to determine its crushing resistance. This test is widely used in the HEICO packing industry. It may be used on any kind of specimen. It is used to evaluate the crush resistance of containers.

Last Words

Tensile stress is used in tests conducted under tension also known as a pushing force. It is used in tests conducted under compression. It is also known as a pulling force. One of the primary distinctions between the two testing formats is this.

Also read: Tips for Optimizing Compression Testing Machine Performance