Optical evaluation of the surfaces of the CuAlBe samples after the test of resistance to harsh wear stresses in an explosive atmosphereRomeo Gabriel Chelariu, Nicanor Cimpoeșu, Alin Marian Cazac, Mihai Adrian Bernevig and Costică BejinariuMATEC Web Conf., 389 (2024) 00067DOI: https://doi.org/10.1051/matecconf/202438900067