Measurement Errors in Material Testing
Material testing is that part of engineering design, development and research that relies on laboratory testing of one kind or another to answer questions. Testing [...]
Universal Testing Machine Calibrations: What, Why, and How
An ADMET engineer calibrates a universal testing machine Calibration of a universal testing machine entails verification of the accuracy of the system’s [...]
Bend Testing Equipment Guide
While it is easy to imagine why bend testing needs to be performed on rigid materials like plastics (ASTM D790) and concrete (ASTM C1609), in [...]
Medical Device Testing: Internal Fixation vs. External Fixation
External fixation is a surgical treatment used to set bone fractures in which a cast would not allow proper alignment of the fracture. An example of a standard test for external fixation is ASTM F1541. Internal fixation involves the surgical ...
Effect of Specimen Geometry on Tensile Testing Results
How do different specimen geometries affect tensile test results? Tensile test results include the ultimate tensile strength, yield strength, Young’s modulus, ductility, and the [...]
What is a Universal Testing Machine?
The Wikipedia entry for a Universal Testing Machine (UTM) defines it as: “A universal testing machine is used to test the tensile stress and compressive strength of materials. It is named after the fact that it can perform many standard tensile a...
Deflate-gate
What does a 2 psi difference in an official NFL Super Bowl football mean? Does it even matter? How can the NFL prevent Deflate-gate from happening [...]
ADMET eXpert Machine Tests Verdepack Compostable Packaging
The Instone Group, based in Durango, Colorado, is an entrepreneurial company with the flexibility and creativity to pursue new ventures. In 1999, Dr. Joe Bowden began developing a new type of compostable material to replace paper, plastic and Styrofoam...
A Simplification of IFD Foam Testing
Foam is both a versatile and crucial substance found in a wide variety of products including safety equipment, foam cushions in furniture, insulation & thermal protection, automobile interiors & sound [...]
5 Things to Know Before Buying Tensile Testing Grips
Introduction Our years in the material testing industry have shown the importance of equipping test machines with the right grips and fixtures because a [...]