Abstract
ABSTRACTDiffusion couples of copper alloys are presented as screening tool for high-throughput alloy development. It allows estimating the precipitation hardening potential in multicomponent alloys of a vast number of compositions within one sample. The components were diffusion welded and annealed to form compositional gradients which were characterised through a grid of energy dispersive X-ray spectroscopy measurements. After splitting the different sample parts underwent different tempering treatments. Thereafter micro hardness grids matching the spectroscopy data were recorded and displayed in contour plots as a function of alloy composition that instantly show composition areas with hardening potential. A critical assessment of the reliability of the method is provided and checked for cu-Al/mn-Sn-ti systems against literature data.This paper is part of a Thematic Issue on Copper and its Alloys.
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