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Step-by-step test methodology
Preparation
Sample selection - Choose representative specimens, avoiding faults unless deliberately testing them.
Specimen cutting - Cut to standard dimensions with a central slit of specified
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Interpreting breakaway test results
Understanding test outputs is as crucial as conducting the tests themselves.
Slip torque vs bridge torque
Slip torque reflects the resistance encountered before rotation begins—a measure of seal integrity and usability.
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Standards and compliance
ASTM D2063 defines methods for determining application and r
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Understanding ASTM D2718 standards
The ASTM D2718 standard sets out the procedures for conducting planar shear tests on structural panels using the
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Understanding reverse ratchet torque
Reverse ratchet torque testing is an essential process for verifying the safety and reliability of child-resistant closures (CRCs).
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Introduction to flexural testing
Flexural testing is a core method in materials science, used to evaluate how materials perform when subjected to bending stresses.
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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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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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Understanding tear strength and its importance
Tear strength measures the force a material can withstand before a tear propagates. It covers both the initial rupture and the resistance to further tearing once damage has started.
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Introduction to five-point bend testing
The five-point bend test is a specialised method for assessing the mechanical performance of structural panels, particularly their resistance to planar shear forces.
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Case studies in puncture resistance testing
Protective clothing - A glove manufacturer used high-force puncture testing to optimise material layering, achieving compliance with ASTM F1342 and ISO 13996 while maintaining f
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Puncture and shear testing techniques and equipment
Testing involves applying a force to a clamped specimen until the material fails, with the method determined by the applicable standard.
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What is four-point bend testing?
Four-point bend testing determines a material’s flexural strength and stiffness by applying force at two points between two supports.
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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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Introduction to extrusion testing
Extrusion testing is an essential method in the food industry for measuring the texture and flow behaviour of semi-solid and visc
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Application of standards in puncture testing
Standardised methods ensure test consistency and reliability across laboratories and production sites.
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Why is compression texture testing important in the food industry?
Texture is often as important as flavour in determining consumer preference.
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Standards and compliance
International standards ensure penetration and puncture testing is performed consistently for reliable and comparable results.
Key examples include:
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Importance of puncture and shear resistance testing
Puncture and shear resistance testing is a critical quality assurance process for materials used in packaging, textiles, industrial manufa
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Why is flexural strength testing important?
Flexural strength testing provides engineers, designers, and researchers with essential insights into how a material responds to bending forces.
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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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Applications of tensile testing
Tensile testing and elongation at break analysis are vital across many industries:
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Common test methods and standards
Internationally recognised standards ensure that compressibility and recovery testing is consistent and repeatable across laboratories and production sites.
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Introduction to puncture resistance testing
Puncture resistance testing determines how well a material can withstand penetration from a sharp or pointed object.