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Performing the flat crush test
A standard flat crush test includes the following stages:
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Shear testing equipment and procedures
Accurate shear testing requires precise control of movement, force measurement, and fixture selection.
Mecmesin offers:
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Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
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How is the 135° peel test performed?
Specimen preparation
Test specimens are usually strips cut from the sealed edge of a tray or container.
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Applications in advanced ceramics and composites
Four-point bend testing is the preferred approach for assessing the flexural strength of advanced ceramics<
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How is torque to turn testing performed?
Torque to turn testing typically involves mounting the test specimen in a secure fixture, aligning the axis of rotation, and applying torque until the component begins to move.
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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.
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Performing a five-point bend test
Specimen preparation
Cut specimens to the standardised dimensions specified in ASTM D2718.
Ensure surfaces are smooth and free from defects that could affect results.<
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Standards and protocols
Notable standards and specifications
Several international standards define single lap shear testing methods:
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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:
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Introduction to tangent modulus
In materials science and engineering, understanding how materials respond to stress is essential for ensuring safety, performance, and longevity. One key parameter used to characterise this behaviour is the tangent modulus.
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What is the 135° peel test?
The 135° peel test is a method for measuring the seal strength of semi-rigid packaging, typically where a flexible lid is sealed onto a rigid or vacuum-formed container.
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Electrical switches and connectors
Switches and connectors may be low-cost simple electro-mechanical devices but they are ubiquitous in millions of products and devices we use every single day.
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Applications in demanding sectors
The strip method is used wherever fabric integrity under load is critical:
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Friction testing methods
Static vs kinetic friction testing
Static friction testing measures the force required to initiate movement.
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Understanding yield point in material testing
Yield point analysis is used across multiple industries to ensure materials meet strict performance criteria:
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What is torque to turn testing?
Torque to turn testing is a method used to determine the rotational resistance in mechanical components and assemblies.
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Introduction to climbing drum peel testing
Climbing drum peel testing is a specialised method used to measure the adhesive strength between bonded materials, particularly in flexible-to-rigid substrate combinations such as aluminium skins bonded to honeycomb cores.
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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.
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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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Key mechanical testing methods
Short span compression testing differs from conventional compression tests because it uses a minimal support length to eliminate bending effects.
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How is double lap shear testing performed?
Specimen preparation
Specimens are prepared according to standardised dimensions.
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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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Key features and advantages
The strip method offers a number of engineering advantages: