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1301
Case study
Railcar spring testing
Requirement
Seoul Metropolitan Railway Transit Corporation required a system for testing a variety of springs in their electric railcars. The springs range in size from 3mm to 100 mm in diameter.
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Speak to an expert
Tensile testing and elongation at break measurement are essential for material performance evaluation, product development, and quality assurance.
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Introduction to compressive strength testing
Compressive strength testing is essential for evaluating the ability of materials to withstand axial loads, which are forces that push or pull them.
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BS EN ISO 205
Adhesives. Wood adhesives for non-structural applications. Determination of tensile shear strength of lap joints.
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ASTM F2458-05
This test method covers a means for comparison of wound closure strength of tissue adhesives used to help secure the apposition of soft tissue.
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Event
Tensile Testing for Wiring Harness Connections
The only way of really knowing the strength of a crimped terminal is to pull it. This can reveal production problems, where strand nicks, incorrect crimp height, or effects from changes in terminal supply, may not be clearly apparent.
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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
1308
Case study
Semi-automated penetration testing into plasterboard
Customised engineering example
British Gypsum (now Saint-Gobain) carry out repetitive penetration tests to accurately assess the performance and durability of their products.
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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.
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What is peel testing
A peel test measures the force needed to separate two bonded materials, usually by applying force at a set angle until the adhesive bond fails.
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
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Common test methods and standards
Internationally recognised standards ensure that compressibility and recovery testing is consistent and repeatable across laboratories and production sites.
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Understanding the stress-strain curve
The stress-strain curve is a primary tool for tensile strength analysis. It shows how a material responds to an increasing tensile load, providing detailed insights into its mechanical properties.
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Introduction to penetration and puncture resistance testing
Penetration and puncture resistance testing are essential for evaluating how well a material can withstand force from sharp, pointed, or blunt objects.
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Applications across industries
Compressive hardness testing is applied in many sectors to confirm that materials meet performance and safety criteria.
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Introduction to yield point testing
Yield point testing is essential for understanding the mechanical behaviour of materials.
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Destructive and non-destructive methods
Testing may be performed destructively or non-destructively depending on the objectives.
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ASTM D4833-07
This test method is an index test for determining the puncture resistance of geomembranes and related products. The use of this test method is to establish an index value by providing standard criteria and a basis for uniform reporting.
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Students meet the Mecmesin MultiTest
Having spent time with the Mecmesin team and seen their material testers in action, WPI opted to invest in three Mecmesin MultiTest 2.5-dV testers.
1321
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Introduction to single lap shear testing
Single lap shear testing is a widely used method for determining the shear strength of an adhesive bond between two overlapping materials.
1322
Case study
Child resistant closures (CRC) mandrel
Customised engineering example
Child Resistant Closures (CRC) require sufficient vertical force to activate the CR locking mechanism prior to torque being applied.
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Best practices in conducting cone penetration tests
Step-by-step procedure
Sample preparation - Condition the sample according to the standard, controlling temperature and humidity where required.
Equipment calibration - Confirm the
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Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
1325
Case study
Automotive window winder turning effort
Requirement
The customer requested a portable system which would quickly and easily allow him to test the torque required to open and close windows in a car.