Light-metal alloy detection using electrochemical sensing

Details

Boston, MA USA. Date of Talk: 11/30/2016

Speakers

Janier Bao
Divyaraj Desai
Garner, Sean
Jessy Rivest
Event

Light-metal alloy detection using electrochemical sensing

As vehicles become increasingly lightweighted to improve fuel economy, there will be greater need for recycling these alloys. Recycling the alloys will save energy (re-melting is far less energy-intensive than primary smelting) while lowering the cost of lightweight alloys. For high-value recycling, it is imperative to sort accurately to maintain the specific properties the material was alloyed to demonstrate. The state-of-the-art sorting methods are spectroscopic they are expensive and have a fundamentally low signal-to-noise ratio for light elements, necessitating integration times of more than a minute. Long measurement times and high costs limit the economic incentive for recycling. We present a fast, accurate, and inexpensive alloy detection method based on a simple electrochemical mechanism.

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