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Impact Toughness Testing

 

 

Impact toughness testing measure the energy absorbed by a specimen before it breaks. This quantity is composed of several energy contributions, including energy absorbed by the impact machine through vibrations after initial contact with the specimen, and loss in pendulum energy (in pendulum impact tests) when the hammer strikes the specimen, as well as the total energy consumed by specimen deformation and fracture. Although it is very difficult to measure many of the individual energy contributions, impact toughness tests are a valuable comparative test method. The two most commonly used forms of impact toughness testing are Charpy and Izod.

Products & Services
Mechanical testing equipment covers devices used for adhesion, compression, drop (shock), tensile, vibration and fatigue testing. Search by Specification | Learn more about Mechanical Testing Equipment
Specialty polymers and resins are proprietary polymers, resins, monomers and intermediates. This category includes plastics and elastomers that are based on proprietary curing technologies or chemistries, or that are designed for specialized applications. Search by Specification | Learn more about Specialty Polymers and Resins
Microscopes are instruments that produce magnified images of small objects Search by Specification | Learn more about Microscopes
Solids flow meters measure the flow rate of bulk solids, powders, grain, etc. Learn more about Solids Flow Meters
Impact hammers are used in structural and modal analysis to determine component or system response to impacts of varying amplitude and duration. A hammer with a force transducer in its head is paired with an accelerometer on the component being tested to compare impact and response. Search by Specification | Learn more about Impact Hammers
Product Announcements
Zwick USA - Large Automatic Pendulum Impact Testing System
To determine the impact strength of plastics to CHARPY as per ISO 179-1 and to IZOD as per ISO 180, we have developed a fully automatic testing system with two pendulum impact testers and a... (read more)
Shinyei Corporation of America - Pendulum Shock Testing Machine
PST-300 testing machine is designed to test products durability and quality control for small products, especially electronics & electronic parts and micro-electronics devices, etc. (read more)
Zwick USA - Small Automatic Pendulum Impact Testing System
For semi- or fully automatic tempering, feeding and testing of Charpy/Mini-Charpy-Specimen at positive and negative temperatures. All specimens have to be filled into the tempering unit. The tempering... (read more)
Zwick USA - Drop impact tester for testing Pipelines
The transporting of petroleum, petroleum products, or other substances in pipelines is one of the most efficient and safest ways of transportation, and since pipeline engineering must meet very high... (read more)
Stork Materials Technology - Mechanical Testing
Stork Materials Technology offers a comprehensive range of mechanical services that are designed to ensure products meet industry standards, perform as expected, and will last. We perform fatigue or... (read more)
Zwick USA - New Drop Weight Impact Tester
Zwick has developed a new instrumented drop weight impact tester which was launched at the recent testXpo – 16th International Forum for Materials Testing in Germany. It was configured for... (read more)
Non-Destructive Testing Services - Material Testing Laboratory Services
Non-Destructive Testing Group, Inc.'s (NDT Group) laboratory provides material testing services through a variety of mechanical techniques. The load testing capabilities range from 12 pounds to 1.2... (read more)
M&P Lab (The) - Creep & Rupture Testing
Creep & rupture testing is essential to evaluate the time-dependent behavior of metals and composites at elevated temperatures under applied stress. (read more)
Topics of Interest
Designers of equipment incorporating load-bearing parts made of zirconium should account for its comparatively low facture-toughness. The paper summarizes the current knowledge of zirconium... (Read More)
Glossary A Arthroplasty: The term for the surgical procedure of replacing joints. E Embolism: A blockage of an artery in the lungs by fat, air, tumour tissue or blood. (Read More)
Mechanical testing is an essential part of quality control and certification of pipeline production. It is most often conducted at the pipe mill. A minimum amount of testing is required by design... (Read More)
This paper reviews current work performed by OWC to better characterize significant factors influencing impact toughness of zirconium 702, as determined by Charpy impact testing. In Part I, an... (Read More)
The premise of damage-tolerant design is that engineering materials with macroscopic cracks can sustain stresses without failure, up to a point. Obviously, the larger a crack in a component, the... (Read More)
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