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Impact Tester Gives No-Nonsense Results.


A new instrumented impact tester that features a high-speed system response of at least 100 kHz has been introduced by Tinius Olsen Testing Machine testing machine

Machine used in materials science to determine the properties of a material. Machines have been devised to measure tensile strength, strength in compression, shear, and bending (see strength of materials), ductility, hardness, impact strength (
 Co., Inc., Willow Grove Willow Grove may refer to:
  • Willow Grove, Pennsylvania, United States
  • Willow Grove, Victoria, Australia
  • Willow Grove (SEPTA station), station on the SEPTA R2 line
  • Willow Grove Cemetery, New Brunswick, New Jersey, United States
, Pa. Such rapid system response is necessary in order to accurately record rapid load change events, such as brittle crack propagation.

The striker of the Tinius Olsen Instrumented Impact Testing System is fitted with a strain gauge strain gauge

Device for measuring the changes in distances between points in solid bodies that occur when the body is deformed. Strain gauges are used either to obtain information from which stresses in bodies can be calculated or to act as indicating elements on devices for
 in order to directly measure the force applied to standard-size and miniature test specimens. The unit does not use electronic filters, which distort the actual load-time relationship, and does not require use of large correction factors (measured force multipliers A capability that, when added to and employed by a combat force, significantly increases the combat potential of that force and thus enhances the probability of successful mission accomplishment. ) to bring the integrated energy into agreement with the total absorbed energy measured by the machine dial and/or optical encoder. Elimination of optical triggers is said to greatly increase overall operational safety and testing efficiency. The system is currently supplied on new Tinius Olsen machines (e.g., Model 92T Plastics Impact Tester) but may be adaptable to other makes of drop-tower and pendulum instruments Pendulum Instruments is a Swedish company and one of the world's leading manufacturers of scientific instruments for high-resolution time and frequency measurements.

Pendulum was originally created in the 1960s as the Philips time and frequency competence center.
.
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No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2000, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Plastics Technology
Geographic Code:1USA
Date:Jan 1, 2000
Words:169
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