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Henkel and Fiat Chrysler Partner in Lightweighting, Improved Process, and Performance Drive

Posted By ASC, Thursday, July 6, 2017

Henkel and Fiat Chrysler have been working together during the last three years, arriving at new treatment processes that will be used for the first time in the new Alfa Romeo Giulia. The adhesives resulting from this collaboration will advance the trend towards lightweighting using new materials and mixed materials such as a combination of aluminium and steel.

 

Apart from reducing weight, the materials will allow for body and pain shop improvements in noise reduction and stronger structures. The new Giulia’s body is 90kg lighter than it would have been without Henkel’s input, and both weight and performance have benefitted from the partnership. 

Much of the lightweighting comes through the use of aluminium, and to improve corrosion performance, the Bonderite pre-treatment process developed with Henkel has proved to be the solution. Acoustic performance improvements are realized through the use of Henkel’s Teroson expansion pillar fillers. These consist of a foamable elastomer that is inserted into the body. When exposed to the heat of the e-coat oven, they expand, filling the internal gaps that would otherwise transmit noise.

 

In addition, Fiat Chrysler will be replacing bitumen pads used for noise dampening with a spray-on acrylic waterborne sound deadener. Not only is it lighter, it also deadens the noise of vibration better. The product will also save Fiat Chrysler money since it can be applied in a fully automated process.

 

Further opportunities for automation are presented by the Teroson PV3414 sealant for internal and external seams. Once again, the product not only allows for labour savings, but presents an improvement on the products previously used in terms of the finished product according to the company.

 

Tags:  Industry News 

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