Impact Testing: The purpose of impact testing is to measure an
object's ability to resist high-rate loading. It is usually thought of in terms
of two objects striking each other at high relative speeds. A part or material's
ability to resist impact often is one of the determining factors in the service
life of a part, or in the suitability of a designated material for a particular
application. Impact resistance can be one of the most difficult properties to
quantify. The ability to quantify this property is a great advantage in product
liability and safety.
Compression Testing is Not Enough!
In standard testing, such as tensile and flexural testing, the material absorbs
energy slowly. In everyday life, materials often must absorb energies very
falling objects, blows, collisions, drops, etc. Instrumented Impact testing is
to simulate these conditions.
• Does your material or product get
dropped, kicked, knocked…impacted in any manner?
• Do you only do tensile, compression, or flexural testing at set speeds?
• Do you know how your product behaves in cold temperatures vs. room
• Do pass/fail Izod, Charpy or Gardner tests leave you with unanswered technical
• Do you know exactly when and how your product fails versus just the final
• Do you know how your product stands up to knocks, drops, kicks, and other
damage caused by impact?
• Wouldn’t you like to “see” how your product withstands real life conditions?
WMT&R offers a line of Instrumented Impact Testing designed to
meet these needs.
• Penetration testing of thick panel specimens such as graphite-epoxy,
fiberglass, polycarbonate and sheet steel.
• Energy absorption and fracture resistance testing of large components
including pipe, appliance housings, safety helmets, and automotive components.
• Three-point bend testing to ASTM specification geometries such as ASTM E-604 dynamic tear test, ASTM E-436 drop weight tear test, and ASTM E-208