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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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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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Introduction to strip method tensile testing
Among the range of tensile testing techniques, the strip method is widely recognised for its accuracy and repeatability.
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What is the Concora crush test?
Definition and overview
The Concora Crush Test (CCT) is a standardised method used to measure the crush strength of corrugated medium, specifically the fluted inner layer of corrugated board.
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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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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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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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Tools (calibration related)
To maintain consistent performance and accuracy, tools must be checked regularly.
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Applications in industrial settings
Insertion and withdrawal testing is not limited to electrical connectors. It is used to validate the performance of:
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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.
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Industry-specific test standards
ISO 9895 - packaging materials
ISO 9895 specifies the method for determining the compressive strength of paper and b
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What is torque testing?
Torque testing measures the rotational force required to turn or twist an object. In packaging, it is most often applied to closures such as caps, lids and twist-top mechanisms to ensure they open and close within defined performance limits.
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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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Applications of tensile testing
Tensile testing and elongation at break analysis are vital across many industries:
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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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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.
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Secant modulus compared to other moduli
Different moduli are used to describe the stiffness of materials, each calculated at different points on the stress-strain curve:
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Introduction to peel testing
Peel testing is a fundamental method in materials testing, used to evaluate the strength of adhesive bonds between two materials.