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Interpreting test results
Peel strength is typically reported in newtons per metre (N/m) or per 25 mm of bond width (N/25mm), depending on the industry standard. From the force-displacement graph, the following characteristics are analysed:
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Key puncture resistance testing methods
Different materials and applications require different puncture testing methods. The two most common categories are high-force puncture testing and slow puncture testing.
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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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Mecmesin equipment for torque to turn testing
Mecmesin offers a range of precision torque test systems, including the OmniTest and
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Introduction to rotational shear testing
Rotational shear testing is a specialised method used to measure the torque or twisting force required to deform a material or component.
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Frequently asked questions
How do I select the right fixture for my material?
Fixture selection depends on specimen dimensions, material type, and the relevant standard.
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Common challenges in fastening torque
Believing tighter is always better, leading to over-torquing.
Ignoring lubrication effects, which can reduce the torque needed for the same clamping force.
Relying on uncalibrated hand tools, which can produce inconsistent res
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The standard specifies the procedures for measuring the force required for needle penetration and the drag force as the needle travels through a simulated skin or tissue.
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Key testing methods
Different materials require different approaches to compressive hardness testing. The most common methods are:
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FAQs about Young's modulus testing
What is the difference between Young’s modulus and tensile strength?
Young’s modulus measures stiffness - how much a material deforms under stress.
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How is torque to turn testing performed?
Torque to turn testing typically involves mounting the test specimen in a secure fixture, aligning the axis of rotation, and applying torque until the component begins to move.
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Industry applications of flexural testing
Plastics and thermoplastics
Flexural testing reveals the stiffness, yield point, and failure mode of plastics, informing mate
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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 tensile strength
Tensile strength is a fundamental mechanical property that defines a material’s ability to resist forces that attempt to pull it apart. It represents the maximum tensile stress a material can withstand before failure.
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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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Standards for top-load testing
ASTM D2659
Specifies the method for determining the column crush resistance of blown thermoplastic containers.
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What is tension testing?
Tension testing, also called tensile testing, is a core mechanical test used to determine how a material behaves when subjected to a uniaxial tensile force. It measures properties such as strength, ductility and elasticity under controlled conditions.
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Why Mecmesin for bulk analysis
Expert engineering and equipment
Mecmesin systems are designed for precision and reliability in bulk testing applications.
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Testing procedures for electrical connectors
For electrical connectors, insertion and withdrawal testing is essential to ensure reliable contact, mechanical robustness, and compliance with relevant standards.<
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ASTM and ISO approaches
ASTM D1938 specifies trouser tear testing for thin plastic films and sheeting, including specimen dimensions, pre-cu
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Introduction to yield point testing
Yield point testing is essential for understanding the mechanical behaviour of materials.
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Methods for measuring coefficient of friction
The most widely adopted technique for measuring both static and kinetic coefficients of friction (COF) is the hori
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How is texture testing performed?
Common test types and measurements
Compression tests - assess firmness or hardness by applying a controlled force to compress the sample.
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Introduction to tensile testing
Tensile testing is one of the most widely used methods in material science for determining the mechanical properties of materials under uniaxial tension.