2026-06-01T00:42:03Z https://icatplus.esrf.fr/oaipmh/request

oai:icatplus.esrf.fr:inv/2118292522 2025-06-02T06:00:42.523Z

4.2 EI 10.15151/ESRF-ES-2118292522 Guillaume BEUTIER Guillaume Beutier 0000-0001-6064-0139 Guillaume BEUTIER Guillaume Beutier 0000-0001-6064-0139 Laureline PORCAR Laureline Porcar Oneil GOISOT Oneil Goisot Oneil GOISOT Oneil Goisot Laureline PORCAR Laureline Porcar Geronimo CASTRO Geronimo Castro Geronimo CASTRO Geronimo Castro ODILE ROBACH Odile Robach 0000-0003-2738-7279 Marc VERDIER Marc Verdier 0000-0003-0563-2675 Marc VERDIER Marc Verdier 0000-0003-0563-2675 Example Institute 2028 Data from large facility measurement 2025-05-28T06:00:00Z/2025-06-02T06:00:00Z 2025-06-02T06:00:00Z I CC-BY-4.0 The need for efficient and environmentally friendly heating/cooling systems is increasing. The use of heat-pump based on solid state phase transformation are promising, in particularly elasto-caloric materials. CuZnAl alloys (b-brass) are on a material resource and CO2 emission perspectives among the best candidates. Elasto-caloric effect is based on a non displacive crystallographic transition between a high symmetry crystal structure, austenite (cubic) and lower symmetry one, martensite (monoclinic), activated around room temperature thermally or by shear stress. The main bottleneck toward applications is the short fatigue life, due to the lattice mismatch between both phases. Optimizing the composition for high lattice compatibility would allow to reach 10 cycles. We aim at fine crystallographic charactrizations of the transformation on unexplored compositions using μLaue diffraction coupled with a novel in situ technique allowing high resolution Bragg energy determination.