Source: https://www.mechanicalraman.com/
Timestamp: 2019-04-26 16:04:22+00:00

Document:
Nanomechanical Raman Spectroscopy (NMRS) [1-6] is a novel nondestructive and non-contact method to measure the stress in a substrate at sub-micron scale as a function of applied load without a need to measure strains in contrast to X-ray diffraction based experiments that measure strain. Another benefit of NMRS is that the use of Raman spectroscopy principles allows one to critically examine the influence of chemical factors such as corrosion. Therefore, NMRS has become a promising tool for stress measurements at the microscale where the strain to stress conversion relation is not clear as a function of change in chemical environments.
​Zhang, Y., M. Gan, and V. Tomar, Raman thermometry based thermal conductivity measurement of bovine cortical bone as a function of compressive stress. ASME Journal of Nanotechnology in Engineering and Medicine, 2014: p. 021003 (11 pages).
Zhang, Y., D.P. Mohanty, and V. Tomar, Visualizing in-situ Microstructure Dependent Crack Tip Stress Distribution in IN-617 Using Nano-mechanical Raman Spectroscopy. Journal of Materials, 2016. 68(11): p. 2742-2747.
Verma, D., M. Exner, and V. Tomar, An Investigation into Strain Rate Dependent Constitutive Properties of a Sandwiched Epoxy Interface. Materials and Design, 2016. 112: p. 345-356.
Gan, M. and V. Tomar, An in-situ platform for the investigation of Raman shift in micro-scale silicon structures as a function of mechanical stress and temperature increase. AIP Rev. Scientific Instruments, 2014. 85: p. 013902 (10 pp).
Gan, M. and V. Tomar, Surface stress variation as a function of applied compressive stress and temperature in microscale silicon. AIP Journal of Applied Physics, 2014. 116: p. 073502 (10 pages).
Gan, M. and V. Tomar, Temperature dependent microscale uniaxial creep of silicon and surface dominated deformation mechanisms. ASME Journal of Nanotechnology in Engineering and Medicine, 2014. 5: p. 021004 (9 pages).

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