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Posted On Jun 10, 2014
You most likely understand the importance of regularly calibrating your testing and measuring equipment and making sure it is maintained to the highest standards to ensure the data that you capture is as accurate as possible. But do you regularly review your testing standards?
Posted On Jun 10, 2014
Q: I have a 1 kN load cell. How do I determine if a specimen would be too heavy for my tensile and compression tests?
Posted By Shalmalee Vaidya
Jun 10, 2014
Q: Does a Charpy or an Izod impact test replicate any real-life scenarios by impacting the sample on a notched side (Izod) and an unnotched side (Charpy)? A: The answer to this question is "No".
Posted By David Fry
Jun 10, 2014
During a recent customer visit, a concern was raised about a turnaround point on the graph that they had not previously seen. Following a bit of investigation, the customer was producing galvanized steel of various grades, some of which was aged. The graph below shows a magnified view of the fairly aggressive upper yield point (UYS or ReH), which results in an almost immediate drop in stress.
Posted On Jun 10, 2014
Instron employees volunteered to organize over 15,000 lbs. of food donations, gathered with the help of the United States Postal Service Stamp-Out-Hunger Food Drive. After the rewarding work, the team was all smiles.
Posted On Jun 04, 2014
Are you aware of the recent changes to various international standards for plastics testing? This presentation provides a brief summary.
Posted On Jun 02, 2014
Darmstadt has served as a center of expertise in structural durability for over a century. The Symposium on Structural Durability in Darmstadt (SoSDiD) provides a forum to present the current state of this work to the national and international fatigue community.
Posted By Janice Tan
May 12, 2014
Wedge action grips are a very popular choice for gripping high-strength materials, such as metals and composites, because the strong clamping force ensures that specimen slippage is eliminated. All wedge grips work by multiplying a relatively small input force into a higher clamping force. In all wedge grips, the opening and closing of the jaw faces are achieved by the relative motion between the grip body and the jaw faces. However, there are two distinct wedge grip designs – “moving jaw face” and “moving grip body”. Their difference lies in which component is kept stationary and which is moving.
Posted On Apr 28, 2014
Adhesive bond materials are transversal to many different industries: from automotive to aerospace, electronics, medical, sports, and construction. Providing high-performance adhesive to aluminum, steel and other materials, structural adhesives have become an interesting and valid solution to replace welds and mechanical fasteners, helping to improve durability, reduce weight, and reduce manufacturing costs.
Posted On Apr 17, 2014
Load cells independently and directly measure the force being applied to specimens. Pressure transducers measure force indirectly from the oil pressure observed in the cylinder. Which is superior? The answer is simple: Load cell technology due to the fact that some of the pressure in a hydraulic system has nothing to do with the load being applied to the specimen.
Posted By Leonardo Martinez
Apr 17, 2014
As composites continue to be adopted in more industries, fiber-reinforced plastics can be found in products that people interact with every day, including cars and sporting goods. Fiber-reinforced plastics consist of reinforcing fibers surrounded by a plastic matrix. There are several types of fibers that can be used including glass, carbon fiber, and aramid which give the material its high tensile strength. The matrix gives the composite the compressive strength and, in the case of fiber reinforced plastics, can be made using thermoset or thermoplastic polymers.
Posted On Apr 11, 2014
With recent events causing concern about the stability of major bridges, the Department of Civil Engineering and Engineering Mechanics at Columbia University is evaluating their durability with the help of Instron.
