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Posted On Mar 14, 2012
Q. I find it rather difficult to avoid torsion when gripping flexible specimen like paper. Any tips?
Posted On Mar 06, 2012
HOBAS® Pipe USA, a producer and supplier of fiberglass-reinforced polymer mortar pipe systems, produces pipe and pipecoupling products in a wide range of sizes. Worldwide population growth has increased the demand for bigger water supply and sewage pipes. Consequently, the pipe diameter range was set to increase beyond the size capability of their current testing equipment. They needed a system that could test their full range of products and they turned to Instron for the solution. The resulting testing system was so big that it was installed out in the open and the test building was constructed around the frame.
Posted On Mar 06, 2012
Q. What is the resolution and accuracy of your Smart Rheo load cell?
Posted On Mar 06, 2012
It is common to refer to pressure transducers by their full-scale range in megapascals (1 MPa is 145 psi). The accuracy is 0.25% of the full scale of the pressure transducer. To obtain the highest quality data, the recommended minimum pressure is about 10 times the accuracy and the recommended maximum pressure is about 90% of the full-scale range.
Posted On Mar 01, 2012
The challenges of testing Fiber Reinforced Concrete (FRC) go well beyond what we would normally think of with respect to concrete testing. The difference lies in the fact that most of the valuable information from an FRC test comes after the concrete fails. The ability of FRC to resist crack growth after the initial crack is determined by measuring the toughness (typically area under the curve) of the sample as it is deflected well past the first crack. All of these tests must be run under servo-control and one of the more common tests must be run using the measured beam deflection as the servo feedback. This can be very challenging as the specimen goes from being very stiff to very compliant after the first crack.
Posted On Feb 23, 2012
Q: When I grip a specimen it seems that some force is already being applied. Is there a way to avoid that?
Posted On Feb 21, 2012
Two weeks ago we included a survey within TechNotes asking our readers to take a few moments to give us feedback on the Instron Community Blog. We received a great response and various comments on what you would like to read about. Everyone who responded will soon receive an Instron Community blog t-shirt!
Posted On Feb 16, 2012
One main topic in composites is “damage tolerance”. Physical testing of wind turbine blades is such an expensive proposition that virtual testing is needed as much as possible – to this end, small-scale flaw testing on a materials testing system is extremely helpful to understand and predict how the larger system will behave in service…
Posted On Feb 14, 2012
If you're attending MD&M West in Anaheim, CA, be sure to stop by our booth (#2478) and visit with our crew: Karl Malchar, Theresa Smith, Jim Ritchey, Elena Mangano, and Chuck Gleason.
Posted On Feb 10, 2012
Implants and the materials used for their production undergo extensive tests, which include the evaluation of the static and dynamic mechanical properties of the raw materials, components, and systems. Many of these tests are internationally standardized; other testing procedures are specific to a given application. In all cases, advanced testing instruments and clamping fixtures along with flexible, programmable testing software help in the determination and analysis of the relevant data.
Posted On Feb 08, 2012
This month, we're featuring Randy Riddle, one of our very own Application Engineers. Not only is he a family man, a grandfather to three beautiful granddaughters, and the Mayor of Grove City, PA since 2004, but he has found the time to fit in 30 years of service at Instron.
Posted On Jan 31, 2012
Gripping a specimen correctly is important if you want to acquire accurate test data. To most test operators, this is second nature.
