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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
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How running torque is measured
Running torque is typically measured using precision torque sensors mounted within a controlled test stand. The component under test is rotated at a defined speed, and torque is measured continuously during motion.
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Applications and benefits
Industrial applications
Tension and compression testing is used across multiple industries to validate design performance, assure quality, and meet regulatory requirements:
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Speak to an expert
Selecting the right approach to secant modulus testing depends on the material, applicable standards, and the intended use of the results.
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Understanding TAPPI T 809 standard
TAPPI T 809 is an internationally recognised method for determining the flat crush resistance of corrugated medium.
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Testing methods for different materials
Rubber and elastomers
Rubber and elastomers are valued for their flexibility and resilience.
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Future trends in torque testing
Automation is becoming increasingly common, improving accuracy and enabling in-line testing during production.
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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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Compression testing standards
Following recognised standards ensures test data is reliable and comparable. Standards specify specimen preparation, testing speeds, calculations and reporting methods.
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How to conduct a grab test
A standard grab test involves the following steps:
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Key material testing standards
To ensure accuracy and comparability, elongation at break and tensile strength measurements are performed according to recognised industry standards.
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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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Case studies and practical applications
Screw-cap torque test on PET bottles
A beverage manufacturer identified inconsistencies in bridge torque linked to capping machine variability.
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Introduction to running torque
Running torque testing measures the torque required to keep a component rotating once movement has started.
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Understanding test types
Material testing uses a variety of methods to assess different mechanical properties. Selecting the right test depends on the intended application and relevant standards.
Examples include:
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Advantages of High Ultimate Tensile Strength
To calculate ultimate tensile strength in practice, a specimen is mounted in a tensile testing machine and stretched at a constant rate until it breaks. The machine measures both force and elongation, recording data throughout the test.
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Secant modulus testing with Mecmesin
Mecmesin testing systems such as the OmniTest and MultiTest-dV
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Analysing shear failure
Shear failure analysis identifies how a bond fails and gives insight into service performance:
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Compliance with industry standards
Mecmesin torque systems are engineered to comply with industry standards, including ASTM D7860-14 for chil
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Types of torque testing methods
Manual torque testing
Manual torque testing uses handheld or bench-mounted torque testers.
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Ultimate Tensile Strength Formula - How to Calculate UTS
The formula to calculate ultimate tensile strength is:
Where:
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Introduction to tension methods
Tension methods are a core approach in texture analysis, used to measure how a material behaves when subjected to a pulling force until it deforms or fails.
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Key test standards
Grab method testing is governed by several internationally recognised standards, including:
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Introduction to fastening torque
Fastening torque is a critical parameter in the performance, safety, and durability of mechanical assemblies.
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Understanding tensile strength in testing
Both pull-off and pull-out testing measure tensile strength, which is the maximum load a specimen can sustain under tension before failure.