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Science and Engineery of Materials and Processes
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Picture of the month - June 2017

Published on June 30, 2017
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Archy Warhol - June 2017


Archy Warhol - June 2017
To obtain 3D architectured composites, a Ti-6Al-4V structure is manufactured using additive manufacturing (Electron Beam Melting), then the matrix is sintered around the structure using Spark Plasma Sintering. The Ti-6Al-4V / Cu composite showed here has been obtained by this process. Dense interfaces and diffusion profiles can be obtained by this process as illustrated on this pop-SEM back-scattered electrons image (x2K).
Widmanstätten patterns can be observed in the Ti-6Al-4V metal (up left and right) and large area of diffusion around interface and grain boundaries can be distinguished in the copper.
But one can see more here: an explostion, a magma... "The more you look at the same exact thing, the more the meaning goes away, and the better and emptier you feel" A. Warhol.

About the author : Lorene Heraud is a post-doctoral fellow in GPM2 group wherre she si studying 3D architecture composites manufactured by the combination of 3D metal printing process (EBM) and flash sintering using Joule effect (SPS).


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Written by Muriel Braccini

Date of update September 27, 2017

Communauté Université Grenoble Alpes