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701
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Methods of conducting ergonomic strength tests
The choice of method depends on whether the focus is workplace assessment, clinical rehabilitation, or research studies.
702
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Introduction to insertion and withdrawal testing
Insertion and withdrawal testing is a critical method for evaluating the performance, durability, and reliability of components that require secure and repeatable connections.
703
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Understanding shear testing in tension
Shear testing in tension is a mechanical method used to measure the resistance of a material or bonded joint to forces acting parallel to the bonding surface.
704
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Grab method vs strip method
Compared with the strip method (as defined by ISO 13934-1), which grips the full width of the fabric, the grab method
705
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Applications across industry
The single rip trouser tear method is used in:
706
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Applications in industry
Engineering and manufacturing uses
Tangent modulus testing supports design validation and process control in sectors where materials operate near or beyond the elastic range, for example:
707
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708
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What is 180 degree peel testing
The 180 degree peel test is a recognised method for measuring the strength of adhesive bonds when a material is peeled back on itself at a constant angle of 180 degrees.
709
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What is shear modulus?
Shear modulus defines a material’s resistance to shape change under shear forces - where parallel planes slide past one another.
710
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Some undergraduate students might regard their Materials Science classes as somewhat of a tedious affair.
711
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Relevant standards for lap shear under compression
International testing standards provide consistency and repeatability for adhesive strength tests, including those involving compressive loading. The following standards are particularly relevant:
712
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Introduction to ball burst strength testing
Ball burst testing measures the resistance of a material to rupture under localised force using a hemispherical probe.
713
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Key standards for breaking torque testing
Breaking torque testing is governed by a range of international and sector-specific standards that define testing protocols, equipment requirements, and performance thresholds.
714
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Standards for bulk analysis testing
Applicable standards and protocols
To ensure consistency and regulatory compliance, bulk testing is often carried out in accordance with established standards. These include:
715
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How wing tear testing is performed
Specimen geometry and preparation
Testing accuracy begins with correct specimen preparation. For wing tear tests, samples are cut into shapes with two projecting wings joined by a narrow central region where the tear initiates.
716
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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.
717
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Why tension testing is important
Tension testing supports quality assurance, product development and regulatory compliance in many industries.
718
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Introduction to compressibility and recovery testing
Compressibility and recovery testing measures how a material behaves under load and how effectively it returns to its original form once the load is removed.
719
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Applications of compressive modulus testing
Compressive modulus data is essential in sectors where compressive stiffness determines performance and safety.
720
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The role of ECT in quality assurance
The Edge Crush Test is a widely used measure for predicting box stacking performance.
721
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Introduction to edge crush testing (ECT)
The edge crush test (ECT) is a standard method used to evaluate the edgewise compressive strength of corrugated fibreboard.
722
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Types of testing methods
Electromechanical and servohydraulic systems
Two main actuation technologies are used in tension and compression testing: electromechanical systems and servohydraulic systems.
723
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Introduction to fabric testing
Fabric testing plays a critical role in quality assurance, helping manufacturers assess the mechanical, physical, and chemical properties of textile materials.
724
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Difference between tangent modulus and other moduli
Tangent modulus vs secant modulus
While both describe stiffness, their calculation methods differ:
725
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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.