JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, cilt.24, sa.1-2, ss.371-373, 2011 (SCI-Expanded)
Vickers microindentation tests were carried out on a bulk MgB2 superconductor with loads ranging from 300 to 1500 mN at room temperature. The load-penetration depth curves were analyzed by a power law of the form P=Ch (m) . The beta-material for bulk MgB2 is determined.