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Posted On Mar 25, 2014

4 Point Bend

4-Point Bend Testing of Carbon Fiber

Carbon fiber is an extremely strong material. Depending on the manufacturing process, this textile can have typical modulus values of about 138 Gpa and ultimate tensile strengths of about 3.5 Gpa. Industry professionals can find themselves seeking to replace traditional steel components with lighter carbon fiber counterparts to achieve a much higher stiffness to weight ratio. To determine the appropriate thickness for the corresponding carbon component, one must undergo some experimental validation.

Posted On Mar 17, 2014

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Changes Pipe & Tube Manufacturers and Suppliers Should Know

David Fry, Global Metals Market Manager, highlights recent changes in the market and what challenges should be anticipated.

Posted On Mar 07, 2014

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Charpy Impact Testing: Minimizing Hammer Changes

A common misconception within metals Charpy testing is that the specimen being tested must have an impact energy between 10% and 80% of the hammer capacity to be a standard compliant test. This is not true for metals tested to current common international standards such as ISO 148 and ASTM E23. This misconception sometimes comes from confusion with plastics standards (see ISO 179-1), other older metals standards (see GOST 9454-78), and historical use of a low resolution dial indicator on metals pendulum systems. Due to these misunderstandings, labs often have multiple systems or hammers for testing a range of specimen energies.

Posted On Feb 25, 2014

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Software Module Increases Test Frequency for Fatigue Testing of Composites and Polymers

Senior Applications Specialist for Dynamic Systems, Peter Bailey shares with AZoM how the Specimen Self-Heating Control (SSHC) module to WaveMatrix™ Materials Testing Software can enhance fatigue testing of composites and polymers.

Posted On Feb 12, 2014

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Instron Drop Tower Showcased at 27th International Colloquium on Plastics Technology in Germany

Since 2011, the Institute of Plastics Processing (IKV) at RWTH Aachen University has been using a CEAST 9350 Drop Tower supplied by Instron Deutschland GmbH for its research activities. Visitors to the 27th International Colloquium on Plastics Technology in Aachen, Germany will be able to see the drop tower in action when presented by IKV March 19—20.

Posted On Feb 06, 2014

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Major Platform Extensions to Bluehill® 3

This is a release we and many of our customers have been waiting for. With release 3.51, lab managers can finally standardize on Bluehill® 3 for all their static tests across all our current static (Electromechanical, Static Hydraulic) and dynamic testing machines (Servo Hydraulic and ElectroPuls systems). Starting with 3.51, Bluehill® 3 can also be used to set up and run torsion tests on the MT Torsion line of testers. Apart from the platform extensions, this release also has some nice enhancements geared towards high temperature applications and metals testing.

Posted By David Fry

 Jan 31, 2014

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What is The Difference Between Proportional and Non-proportional Clamping Force?

While there are many varieties of gripping technologies (wedge, screw, hydraulic, pneumatic, etc.), they all can be classified as proportional or non-proportional according to the way in which the clamping force is exerted on the specimen.

Posted By Sarah Jastram

 Jan 16, 2014

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What is the Best Way to Check the Functionality of my ElectroPuls™ Load Cell?

Instron load cells are robust and built to last. Therefore, checking the load cell’s functionality on a daily basis is not usually necessary unless you suspect a real problem. That being said, it is always a good idea to be safe than sorry!

Posted On Jan 08, 2014

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What is N-value?

In one of our previous posts, we blogged about plastic strain ratio, r. Besides r-value, another parameter that is commonly measured in metals testing is the n-value. So what is n-value?