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Best practices for rotational shear testing
Consistent methodology, accurate equipment and adherence to relevant standards are essential for meaningful results. Recommended practices include:
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Equipment and procedures
A flat crush tester comprises two smooth, parallel platens, one fixed and one moving under controlled load application. The conditioned specimen is placed between the platens with flutes oriented vertically.
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Key methods for compressive strength testing
Several methods are used to determine the compressive strength of materials, and the appropriate test depends on the material and the specific industry requirements.
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Shear testing equipment and procedures
Accurate shear testing requires precise control of movement, force measurement, and fixture selection.
Mecmesin offers:
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How peel wheel tests are conducted
Specimen preparation – The bonded material is cut to defined dimensions, ensuring uniformity of size and adhesive application.
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What is a three-point bend test?
A three-point bend test is a widely used method for determining the flexural properties of materials. It involves applying a load at the midpoint of a specimen supported at two points, creating a bending force.
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Methods of testing tensile strength
The most common method is the uniaxial tensile test.
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Mecmesin solutions for rotational shear testing
Mecmesin provides torque testing systems designed for high-precision, repeatable results in rotational shear testing.
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What is elongation at break?
Elongation at break measures how much a material can stretch before it fractures. Expressed as a percentage of the original gauge length, it is a key indicator of ductility and toughness.
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Selecting the right running torque testing solution
When specifying a running torque test system, engineers should consider:
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Springs
Springs are elastic objects used to store mechanical energy and they change shape in response to external forces, returning to their original shapes when the forces are removed.
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How shear testing works
Food shear testing replicates cutting or slicing actions. A blade or fixture is passed through a sample while the force required is recorded. The process generally includes:
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Tensile deformation and its significance
Tensile deformation occurs when a material is stretched by an axial load, causing it to elongate.
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Introduction to compression testing
Compression testing is a core mechanical test method used to evaluate how materials and products behave when subjected to a compressive load.
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Equipment for burst testing
The right equipment depends on the container type, material, and applicable standard.
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Case studies and real-world examples
Mecmesin’s systems have been used across a range of industrial applications:
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Understanding flexural strength
Flexural strength (modulus of rupture) refers to a material’s resistance to deformation under load.
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Standards and procedures
FCT results must be consistent and comparable, which is why the test is carried out to recognised standards:
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Key testing standards
Compliance with recognised international standards ensures that needle penetration testing is consistent, reliable, and repeatable across different facilities.
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Test setup and equipment
Performing lap shear testing under compression requires careful alignment and use of appropriate fixtures to prevent torsion or uneven load distribution.
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Methods of compressive burst testing
Inflationary burst testing
In this method, internal pressure is gradually increased using air, gas, or liquid until the container ruptures. This is widely applied to:
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Speak to an Expert
Corrugated medium testing, and particularly the flat crush test under TAPPI T 809, is essential for ensuring packaging strength, reliability, and compliance.
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The process of tension testing
Tension testing follows a defined process to ensure accuracy and repeatability:
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How is double lap shear testing performed?
Specimen preparation
Specimens are prepared according to standardised dimensions.
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Best practices for effective torque testing
Sample preparation
Condition closures and containers to the specified temperature and humidity
Inspect samples for defects before testing
Standardise top-load app