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British impact tester ensures Pedestrian safety in Japan.

Pedestrian safety is being tested in Japan using an impact tester supplied by Imatek of Old Knebworth in Hertfordshire.

The IM10R Impact Test System is in use at the Nagoya site of Tokai Rubber Industries, a principal supplier to Toyota, with the primary aim of understanding and developing the impact and energy absorption characteristics of materials used on vehicles for pedestrian safety applications.

The system has two modes of operation, high-rate tensile tests on standard polymer specimens and dynamic compression testing of polymeric foams and structures.

In tensile mode the system can test tensile specimens at strain rates in excess of 1,000 [s.sup.-1] and yield strengths up to 35 kN. In dynamic compression mode the system uses a light-weight alloy carriage that is fitted with a variety of profiled strikers to measure energy absorption characteristics of materials and structures at representative speeds of up to 50 kph and acceleration of up to 500 g. The strikers are profiled to represent child, teen and adult leg and head forms.

Imatek's IM10 range is able to accomodate a wide range of automotive a wide range of automotive test applications. Typical applications include:

* Standard QC tests on polymers to meet mandatory test requirements--for example, to ensure against brittle failure of key parts such as those that could compromise supplementary safety systems or cause injury to occupants.

* Ensuring against embrittlement of polymers due to paint coatings.

* Testing of alternative materials for suitability, weight reduction and better performance at lower cost.

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* Characterising the energy absorption efficiency of polymeric foams, alloys and crush tubes for safety applications such as bumper structures and head, leg and knee protection applications.

* Resilience tests and dynamic fatigue tests of rubbers, such as those used in suspension and steering components.

* Crush testing of structures to assess crash performance, for example structures that are adjacent to or surrounding fuel lines to check susceptibility to damage and therefore crash failure.

* High rate tensile testing of polymers and sheet steels at speeds representative of in-use conditions.

* Impact performance of key structures such as suspension and steering assemblies, and alloy and steel castings.

www.imatek.co.uk
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Title Annotation:feature: testing & inspection
Comment:British impact tester ensures Pedestrian safety in Japan.(feature: testing & inspection)
Publication:British Plastics & Rubber
Date:Feb 1, 2010
Words:357
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