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1251
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Real-world applications
Plastic bottles and closures
In beverage and household product manufacturing, top-load testing is essential to confirm that bo
1252
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Coefficient of friction (COF) explained
Understanding the COF formula
The coefficient of friction (μ) is a dimensionless value calculated as:
1253
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Mechanical properties and accuracy considerations
Tensile testing via the strip method reveals mechanical properties that determine how fabrics perform in use.
1254
Event
Texture Testing for Bakery Applications
The primary goal for using instrumentation to measure texture is to capture an objective value to something that is typically evaluated very subjectively. Texture cannot be controlled unless it measured in a consistent and repeatable manner.
1255
Case study
Cardboard beverage bottle carrier unfolding
Customised engineering example
A manufacturer of fully-enclosed cartons wanted to quality test the fold-out force for a variety of their designs, used mainly to package drinks bottles and cans.
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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.
1258
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Industry-specific testing solutions
Strain at maximum stress testing is relevant wherever materials are expected to endure high loads without unacceptable deformation.
1259
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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.
1260
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The standard specifies the procedures for measuring the force required for needle penetration and the drag force as the needle travels through a simulated skin or tissue.
1261
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Real-time data analysis and reporting
Mecmesin’s software platform offers live monitoring and evaluation of test performance:
1262
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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.
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Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
1264
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ISO 34-2 standards explained
ISO 34-2 specifies the Delft tear test procedure for vulcanised or thermoplastic rubber, ensuring testing is carried out under consisten
1265
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BS EN ISO 844
ISO 844 specifies a method of determining a) the compressive strength and corresponding relative deformation, or b) the compressive stress at 10 % relative deformation, and c) when desired, the compressive modulus of rigid cellular plastics.
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Case study
Cosmetics tin label peel
Customised engineering example
Testing the adhesive peel strength of packaging labels applied at the post-production stage is more representative of their performance than at the label production stage.
1267
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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Understanding corrugated cardboard resistance
The compressive resistance of corrugated cardboard depends on factors such as flute profile, board structure, and paper quality.
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ASTM D2062
The method(s) in the standard along with those in Test Methods D 2051, D 2052, D 2053, D 2054, D 2057, D 2058, D 2059, D 2060, and D 2061 are a collection of proven test methods.
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Speak to an expert
Cleavage strength testing is essential for confirming material and adhesive performance in demanding applications.
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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.
1272
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.
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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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Event
Essentials of Adhesion (Peel) Testing
There is a reason people reach for Duct Tape as a fix for almost everything – Adhesion Strength. From busted pipes to ripped furniture, the preference for a solution that “does not easily peel off” is the guiding principle for manufactures.
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Tension testing process
Tension testing is the most common method for evaluating tensile deformation and produces quantitative data on how materials behave under controlled pulling forces.