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1251
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.
1252
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.
1253
Page
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1254
[Page extract]
Measurement and testing methods
Techniques for measuring tangent modulus
Tangent modulus is measured during tensile or compression testing, w
1255
[Page extract]
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
1256
[Page extract]
ASTM D1578
Significance and Use
Test Method D1578 for testing any spun yarn for breaking strength is considered satisfactory for acceptance testing of commercial shipments since the method has been used extensively in the trade.
1257
[Page extract]
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.
1258
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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.
1259
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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.
1260
Case study
Press stud popper pull-off test
Requirement
The customer was a supplier to major clothing retailer Marks & Spencer, who stipulate that all fasteners and attachments must be tested to failure.
1261
[Page extract]
Speak to an expert
Cleavage strength testing is essential for confirming material and adhesive performance in demanding applications.
1262
[Page extract]
BS EN ISO 205
Adhesives. Wood adhesives for non-structural applications. Determination of tensile shear strength of lap joints.
1263
[Page extract]
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.
1264
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The 3-Point Bend test goes to Summer School
Both Dr. Cote and Grubbs agree that one of the highlights of their year is the Materials Science summer course for high school students, where they had students design their own candy composites.
1265
Event
Fundamentals 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.
1266
[Page extract]
Comparison of flexure testing methods
Method
Loading direction
Best suited for
Advantages
1267
[Page extract]
Introduction to elongation and recovery testing
In industries working with textiles, rubber, elastomers, and flexible plastics, these properties are directly linked to product reli
1268
[Page extract]
BS EN ISO 4624
Describes methods for determining the adhesion by carrying out a pull-off test on a single coating or a multi-coat system of paint, varnish or related product.
1269
[Page extract]
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.
1270
[Page extract]
Introduction to friction and its importance
Friction is the resistive force that occurs when two surfaces interact. It plays a fundamental role in engineering and manufacturing.
1271
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.
1272
[Page extract]
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.
1273
[Page extract]
ASTM F2878-10
This test method is used for determining the force required to cause a hypodermic needle to penetrate through protective clothing material.
1274
[Page extract]
Introduction to tensile testing
Tensile testing is one of the most widely used methods in material science for determining the mechanical properties of materials under uniaxial tension.
1275
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.