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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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Understanding the stress-strain curve
The stress-strain curve is a primary tool for tensile strength analysis. It shows how a material responds to an increasing tensile load, providing detailed insights into its mechanical properties.
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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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Comparisons with elastic modulus
The elastic modulus measures stiffness only within the initial linear elastic range, where deformation is fully recoverable.
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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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Introduction to chord modulus
Chord modulus is a key parameter in material testing, providing engineers and quality control teams with a precise measure of a material’s stiffness under defined loading conditions.
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Applications of tensile testing
Tensile testing and elongation at break analysis are vital across many industries:
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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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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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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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Introduction to peel testing
Peel testing is a fundamental method in materials testing, used to evaluate the strength of adhesive bonds between two materials.
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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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Types of torque testing methods
Manual torque testing
Manual torque testing uses handheld or bench-mounted torque testers.
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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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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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Step-by-step needle penetration testing process
Sample preparation
Specimens are cut to the required dimensions and conditioned to the specified environmental parameters such as temperature and humidity. Thickness and surface finish are controlled for consistency.
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Introduction to secant modulus
In material testing and engineering, understanding how a material responds to applied stress is essential for predicting performance, ensuring safety, and optimising design.
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Applications across sectors
Texture testing in food manufacturing
Bread softness for freshness control, snack crispness for quality assurance, firmness in
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Torque testing standards
A range of recognised standards define the correct procedures for reverse ratchet torque testing, ensuring consistent and reliable results.
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Types of compressive shear tests
Test configurations vary according to the material, application, and relevant industry standard.
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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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Relevant textile test standards
The strip method is defined in several national and international standards, each tailored to specific fabric types and performance requirements:
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Introduction to friction in material science
Friction is a critical factor in how materials behave under movement. It is the resistive force that occurs when two surfaces are in contact and attempt to slide against each other.