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2007-07-06 News Release

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Structural simulation of metals, reinforced plastics, foams

The Integrative Simulation technique of highly complex metals, plastics and structural foam parts can be computed more effectively.

Continued from previous page [2]. (Design and Packaging at
BASF Plastics pre K 2007 conference.)

BASF has further developed its powerful CAE instrument Integrative Simulation, so that it can fully consider not only metal and reinforced plastic but also structural foams which are used to glue different materials (CAE: computer-aided engineering). This allows the simulation of so called structural plastic inserts which are implemented into hollow body parts that have to fulfill high requirements in case of a crash. With this enlarged Integrative Simulation technique highly complex metal-plastic-structural foam-parts can be computed, the construction of which would otherwise be very difficult.

One step further goes the application of this method for stone impact on under-the-hood plastic parts. Special polyamide grades like Ultramid* A3HG7 Q17 have undergone broad aging tests in hot oil and the results have been implemented into the crash simulation method. So now the behavior of motor oil or gear oil sumps that have aged in hot oil for thousands of hours and are then hit by a stone can be simulated precisely on the computer und thus improved. This opens many interesting applications for engineering plastics.

Designer chair MYTO made of Ultradur High Speed. Click Here for High resolution image. photo: BASF

As unusual as the material from which it is made – the "Myto" chair, designed by KGID for Plank using Ultradur* High Speed from BASF. The full plastics cantilever chair made from the especially easy-flowing BASF material was created within a very short development time of just one year – from the idea through to serial production.

Before investigations of part behavior with these elaborate calculation methods from BASF take place, the shape of the part should be optimized, otherwise the potential of the powerful engineering plastics cannot be fully exploited. BASF’s application specialists have supplemented the instrument of Integrative Simulation now by the so called Mathematical Part Optimization (MPO).

The logical marketing consequence of Integrative Simulation: Under the trade name Ultramid CR BASF now offers its customers for the first time six polyamide grades that, with the aid of its Integrative Simulation, are exactly matched to the demands imposed on parts in case of a crash. Apart from materials with optimized composition and the material data available for the simulation the package also contains particularly narrow specifications and intensive quality controls. The package is valid for three PA 6 and three PA 66 grades.

Meantime BASF owns the three polyamide trade marks Ultramid, Miramid* and Capron*. Now the product ranges are restructured, so that Ultramid remains the core brand for technically sophisticated applications and Miramid includes small-volume grades like special colors which can be fast and flexibly supplied. The Capron range is reduced and contains high volume PA grades for standard applications that do not involve narrow specifications.

* Ultramid, Ultradur, Miramid and Capron are registered trademarks of BASF Aktiengesellschaft.

This article continues featuring [1] BASF Plastics pre K 2007 news conference introduction, [2] Design and Packaging, [3] Integrative Simulation and a new PA marketing concept, and [4] Polyurethane for top mounts, dike breakwaters, mattresses and car interiors.

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