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Importance of testing elasticity and ultimate strength
Elasticity determines how well a material returns to its original shape after stretching. Ultimate strength indicates the maximum stress it can withstand before failure.
853
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Furniture and soft furnishings
Furniture is manufactured using different kind of wood materials typically from particle board, fiberboard and plywood. Pieces are assembled and joined using glues, adhesive bonds,fixing dowels and fastenings.
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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
855
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How shear testing works
Food shear testing replicates cutting or slicing actions. A blade or fixture is passed through a sample while the force required is recorded. The process generally includes:
856
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Step-by-step procedure for reverse ratchet torque testing
Sample preparation
Condition the closures according to the specified standard to control environmental factors.
857
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Medical devices and aids
Medical device manufacturers operate in one of the world’s most competitive and highly-regulated industries, where patient safety is critical.
858
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How is torque testing in packaging performed?
Torque testing can be carried out using manual or automated methods, depending on production volume, precision requirements
859
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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.
860
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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.
861
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Understanding torque testing
Types of torque testing in packaging
Several torque measurements are relevant to closure performance:
862
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Importance of child-resistant closures
Child-resistant closures are a critical safety feature for packaging containing pharmaceuticals, che
863
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Introduction to breaking torque tests
Breaking torque testing, also known as torque-to-failure is a critical mechanical test used to determine the point at which a component or assembly fails under rotational force.
864
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Modulus of elasticity formula
Young’s modulus (E) is calculated from the linear portion of a stress-strain curve using this formula:
865
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How to conduct a Concora crush test
Step-by-step procedure
Specimen preparation - Cut medium to the required size, typically 152.4 mm by 25.4 mm strips, ensuring clean edges.
866
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What is Young’s modulus?
Young’s modulus - also known as the modulus of elasticity or elastic modulus - defines how stiff a material is when a force is applied.
867
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Construction materials
The manufacturing of building materials for construction is an established industry in many countries.
868
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Shear modulus equation
Shear modulus (G) and Young’s modulus (E) are both measures of a material’s stiffness - but under different types of loading.
869
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Performing the edge crush test
Sample preparation
Cut specimens to standard dimensions with clean, parallel edges.
Condition samples in a controlled temperature and humidity environment to ensure consistent moisture content.
Wax edges if required
870
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ASTM D937-97
1.1 This test method covers measuring with a penetrometer the penetration of petrolatum as an empirical measure of consistency.
871
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ASTM F3014-14
1.1 This test method describes the procedure for penetration testing sharp and blunt needles used for the placement of surgical sutures. It only describes the test procedures (Phase 1) and does not define a test medium at this time.
872
Event
Wine & Spirits Capping: Cork Pull & Twist Caps
Wine packaging has a great influence on the quality of the product delivered to the customer.
873
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ASTM D5868-01
Due to the increased use of adhesively-bonded FRP as a result of the inherent advantages afforded by bonded rather than mechanically-fastened joints (particularly the alleviation of stress risers and stress cracking), there is a need for tests by which
874
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
875
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ASTM D76-99
This specification covers operating characteristics of tensile testing machines for the determination of the force-elongation properties of textile materials.