Combination of In Situ Diffraction Experiments and Acoustic Emission Testing to Understand Compression Behavior of Mg-Gd Alloys

Gerardo Garces, Bryan W Chavez, Pablo Pérez, Judit Medina, Kristian Mathis, Rafael Barea, Andreas Stark, Norbert Schell, Paloma Adeva, Daniela Kovacheva, Gábor Harsányi · 2024

Read Combination of In Situ Diffraction Experiments and Acoustic Emission Testing to Understand Compression Behavior of Mg-Gd Alloys by Gerardo Garces, Bryan W Chavez, Pablo Pérez, Judit Medina, Kristian Mathis, Rafael Barea, Andreas Stark, Norbert Schell, Paloma Adeva, Daniela Kovacheva, Gábor Harsányi (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11595590.txt.

Description

Gerardo Garces and co-authors watched magnesium alloys bend under pressure in this 2024 study. The alloys carry gadolinium, a rare earth metal that strengthens magnesium. Two live probes tracked the test: X-ray diffraction, which reads the crystal layout, and acoustic listening, which catches tiny pops as the crystal shifts.

The bars had a fiber-like grain pattern from being squeezed out hot, then quenched fast. Under pressure, the crystals mainly deformed by twinning, where a band of crystal flips its layout. More gadolinium meant less twinning, since the dissolved atoms hold the bands back. A hardening peak mid-test traced to dislocations tangling inside the twins. The results guide lighter, stronger alloys for vehicles.

Catalog record

CREATORGerardo Garces, Bryan W Chavez, Pablo Pérez, Judit Medina, Kristian Mathis, Rafael Barea, Andreas Stark, Norbert Schell, Paloma Adeva, Daniela Kovacheva, Gábor Harsányi
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE56 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11595590

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