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IMMC
November 09, 2023
iMMC in pictures
Atomic Dumbbells
We often use dumbbells to strengthen our muscles. Mg2Si particles composed of dumbbells can also significantly strengthen metallic alloys. The image shows beautiful arrangement of Mg and Si atoms in the form of dumbbells in a Mg2Si particle in additively manufactured Al-Mg-Si alloy. Yellow and...
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November 09, 2023
iMMC in pictures
No Plan(et) B
The main objective of this study was to create an innovative iron-based material for bioresorbable stent implants. What you see here is an SEM image of a meticulously polished pure iron sample prior to immersion testing. The underlying goal of these immersion experiments is to establish the...
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November 09, 2023
iMMC in pictures
Indium islands
Physical Vapor Deposition (PVD) is used to deposit continuous thin films with thickness in the hundreds of nanometers range. For some metals with low melting temperature, deposition proceeds in “islands” of various sizes and shapes. This picture shows indium “islands” deposited by PVD on a...
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November 09, 2023
iMMC in pictures
Breaking waves
This is an optical microscopy image of a crack propagating left to right in a 1.5mm thick high strength steel sheet. This "wave" pattern, known as crack tip flipping, is the result of an oscillating stress state in front of the crack tip, causing the crack to oscillate on two 45° degree planes...
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November 09, 2023
iMMC in pictures
The MAX-cave
Fracture surface of a MAX-phase ceramic inclusion made of Ti2AlC embedded in a copper matrix, as observed using scanning electron microscopy.
© Marie-Stéphane Colla
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