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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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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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Introduction to the ring crush test
The ring crush test (RCT) is a key method for determining the edgewise compression strength of paper and paperboard.
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Magnets and solenoids
Solenoids, a type of electromagnet generating a uniform magnetic field when an electric current is passed through it, have applications in many different types of industries.
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What is fastening torque
Fastening torque refers to the rotational force applied to tighten a fastener, typically measured in Newton-metres (N·m) or pound-force inches (lbf·in). The correct torque value ensures adequate clamping without overstressing components.
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Types of flexure tests
Different flexure testing setups are chosen based on the nature of the material, the required precision, and the industry standards being followed.
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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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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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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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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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Yield point testing methods
Yield point testing is most often performed using tensile testing, in which a specimen is subjected to a steadily increasing axial load until plastic deformation occurs.
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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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Standards and protocols
Notable standards and specifications
Several international standards define single lap shear testing methods:
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What is strip torque testing?
Definition and importance
Strip torque testing measures the torque required to continue rotating a threaded closure beyond its normal sealing point until the thread strips or the closure fails.
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Event
Medical Devices: Syringe & Needle Testing Fundamentals
Every manufacturer (and patient) requires reliable needle and syringe function - ensuring safe & efficient drug administration.
Therefore, checking the performance and functionality of these medical devices is critical, with physical testi
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BS EN ISO 80369-7
This part of ISO 80369 specifies dimensions and requirements for the design and functional performance of small-bore connectors intended to be used for connections in intravascular applications or hypodermic connections in hypodermic applications of med
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ISO 11608-5
This part of ISO 11608 specifies requirements and test methods for the automated functions of needle-based injection systems with automated functions (NIS-AUTO), for the administration of medicinal products in humans.
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ASTM F1306
ASTM F1306, is a test method, which permits flexible barrier films and laminates to be characterised for slow rate penetration resistance to a driven probe.
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Drehmomentprüfsysteme
Benötigen Sie ein Maß an Genauigkeit und Wiederholbarkeit, das manuelle Prüfgeräte einfach nicht erreichen können? Möchten Sie die Prüfungszeit verkürzen
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ASTM D2919
This test method covers data for assessing the durability of adhesive lap-shear joints while stressed in contact with air, air in equilibrium with certain solutions, water, aqueous solutions, or other environments at various temperatures.