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Hydro develops new aluminium alloys for advanced sheet components

Metal News - Published on Thu, 11 Oct 2018

Image Source: hydro.com
Hydro is launching three new aluminium alloys specifically for hot-metal forming of aluminium sheet, mainly for complex automotive components. Each alloy offers properties that surpass the capabilities of the alternatives currently available in the global market. The aluminium alloys developed by Hydro they were two years in the making are considered advanced alloys for superplastic forming. They boast higher elongation or forming properties, achieve higher post- forming strength and enable lower cycle times than today’s alternatives.

The three are:
Next-generation 5083 alloy
New 5456 alloy
New 7020 alloy

Automotive OEMs are interested in superplastic forming because the process enables aluminium manufacturers to produce thin-walled aluminium sheet components. It is a cost-effective process that can stretch the sheet at least 200 percent above its original size. Large parts can be formed out of one sheet and thereby replace more complex constructions consisting of a high number of small parts.

Other advantages include part consolidation and low forming stresses.

Mr Jonas Bjuhr, head of strategy, R&D and innovation for Hydro’s Rolled Products business area said that “Automakers are developing increasingly advanced components, and this drives the use of superplastic forming. We worked with some of them, as well as several tier suppliers, in developing our new alloys.”

Source :

Posted By : Rabi Wangkhem on Thu, 11 Oct 2018
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