A major current problem for the automobile industry is to reduce the negative environmental impact of its products. One way to do this is to reduce car weight and thus reduce exhaust pollution. Around 40% weight saving is achieved if aluminium alloy is used to replace steel. A barrier to using aluminium more widely, and not only in premium grade cars, is its low room temperature formability in cold pressing operations. A novel patented process, HFQ®, invented in the UK, enables heated aluminium alloy sheet to be formed into complex shapes whilst retaining the full strength of the material. Simple hot pressing does not allow this. The HFQ® process is being increasingly adopted by industry with notable success. However, relatively long cycle times are required to preheat sheet metal blanks using electric ovens. Because of this, costly multiple ovens have to be used, otherwise productivity will be low therefore increasing piece price. RASTec aims to eliminate the bottleneck, at no added cost, by increasing heating rate by up to 10 times that of conventional ovens. RASTec achieves this through induction heating adapted to sheet metal. Small closely spaced heating elements, the number of which can be activated to match with a blank shape for high efficiency, feedback controlled from temperature sensors will enable either uniform temperature or predetermined temperature profiles to be achieved. By reducing production costs, reducing production energy usage, whilst increasing accuracy and increasing productivity, the RASTec technology suite will enable faster take up of high strength Al alloys in mass-produced cars, trains, aeroplanes.
The University of Sheffield and Phoenix Materials Testing Limited
2015-06-01 to 2018-02-28
Knowledge Transfer Partnership
To develop very high temperature test facilities for the product range.
AliAnForm
20,732
2015-04-01 to 2015-12-31
Feasibility Studies
Weight reduction is of pressing importance in order to reduce CO2 emissions. All vehicles sizes (micro cars to lorries) and engine types (Diesel, Petrol or Electric) will benefit. Currently the use of aluminium to achieve major weight reduction is limited by cost, which arises from the purchase cost of aluminium and from the difficulties in processing aluminium sheet into useful shapes for automotive applications. AliAnForm directly address the issue of getting optimum performance out of aluminium structures whilst also reducing their cost.
University of Wolverhampton And Phoenix Calibration Limited
2012-06-01 to 2015-03-31
Knowledge Transfer Partnership
To design, develop and manufacture flexible hardware and software components and novel forms of load cell to control bespoke research hydraulic testing equipment.
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