Microstructural mechanical properties and yield point effects in Mo alloys
The mechanical properties of two phase Mo-Si-B alloys were analyzed with nanoindentation techniques and atomic force microscopy. A nanoindenting atomic force microscope allows local determinations of hardness and modulus of the T2 phase and Mo(ss) phase. The T2 phase and Mo(ss) phase in these alloys show a hardness of 21 and 8.5 GPa, respectively. The modulus of the T2 phase is nearly 10% higher than that for the Mo(ss) phase. Large pop-ins are found during indenting in the T2 phase but not in the Mo(ss) phase which has a higher surface roughness.
Atomic force microscopy, Hardness, Mo SiB 5 2, Nanoindentation, Yield-point
Göken, M., R. Sakidja, W. D. Nix, and J. H. Perepezko. "Microstructural mechanical properties and yield point effects in Mo alloys." Materials Science and Engineering: A 319 (2001): 902-908.
Materials Science and Engineering A