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Key standards for equibiaxial flexure testing
Internationally recognised standards ensure accuracy, repeatability, and comparability of results. Common references include:
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Testing solutions and equipment
Essential equipment
Cone point probe - typically 8 mm in diameter with capacity for up to 500 N.
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Real-world examples
Beverage packaging automation
A global beverage brand used the VortexPro to automate PET bottle cap testing:
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Benefits of box crush and packaging compression tests
Compression testing offers both commercial and technical benefits for manufacturers and logistics operations.
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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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Key methods of penetration resistance testing
Penetration resistance measures a material’s ability to resist intrusion by a probe or object under applied force without tearing, cracking, or losing functional integrity.
Applications include:
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Importance of tear resistance standards
Tear resistance testing must be carried out consistently to produce results that are both accurate and comparable.
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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:
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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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Standards for yield point testing
Yield point testing protocols are defined by recognised international standards, including:
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How is a three-point bend test performed?
Test setup and procedure
The test begins with preparing a specimen, often a rectangular bar, from materials such as plastics, composites, wood, or metals.
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Testing equipment and procedures
Compression testers with parallel platens apply controlled loads at specified rates.
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The concentric ring method
The most widely used approach to equibiaxial flexure compression testing is the concentric ring method. A circular specimen is supported on an outer ring and loaded through a smaller, concentric inner ring.
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Standard methods and procedures
T-peel testing is governed by recognised standards to ensure consistency and repeatability of results. The most common are:
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Case study
Testen der Bauteilen von Beatmungsgeräten
Anforderung
Ein Beatmungsgerät (Respirator) sorgt für eine „mechanische Beatmung“, indem atmungsaktive Luft in die Lunge von Patienten und aus diesen heraus bewegt wird, die ohne fremde Hilfe nicht ausreichend gut atmen können.
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ASTM D5170-98
This test method covers the measurement of the peel strength of hook and loop touch fasteners using a recording constant-rate-of-extension tensile testing machine (CRE).
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ISO 4674-1
Describes two methods for determining the forces necessary to initiate and propagate tearing of a coated fabric using the constant rate of tear method. The methods described are:
method A: tongue tear
method B: trouser tear
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ISO 12625-5
ISO 12625-5:2005 specifies a test method for the determination of the wet tensile strength of tissue paper and tissue products after soaking with water, using a tensile-strength-testing apparatus operating with a constant rate of elongation.
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*corp 01M-01-225
Determination of the Elongation, Recovery and Modulus of Elastic Fabrics.
A fabric specimen of specified dimensions is extended at a constant rate to a specified force for three cycles.
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CETIE Guide 3 (FR)
Ce guide est destiné aux producteurs de vins mousseux de qualité qui réalisent la « prise de mousse » par fermentation en bouteilles.
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ASTM D5748-95
This test method determines the resistance of a stretch wrap film to the penetration of a probe at a standard low rate, a single test velocity.
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ISO 8510-1
Particularly suitable for use with less flexible adherends for which a 180 ° peel test is not suitable because the adherends crack, break or delaminate. A bonded assembly of two adherends is prepared using the adhesive under test.
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Event
Compression Force Testing in Automotive Applications
The global automotive industry has never been more competitive. Challenges on materials, fuel efficiency, EV technology and recycling are adding to ever-increasing market demand.