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Sudhir Rajagopalan

Researcher at Siemens

Publications -  15
Citations -  476

Sudhir Rajagopalan is an academic researcher from Siemens. The author has contributed to research in topics: Deformation (meteorology) & Nanoindentation. The author has an hindex of 8, co-authored 14 publications receiving 408 citations. Previous affiliations of Sudhir Rajagopalan include University of Central Florida & Siemens Energy Sector.

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Carbon-Nanotube-Reinforced Polymer-Derived Ceramic Composites

TL;DR: In this paper, carbon nanotube reinforced ceramic composites were synthesized by using recently developed polymer-derived ceramics as matrices, and significant increases in mechanical and thermal properties were observed by adding only 6vol% nanotubes.
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Elastic modulus of shape-memory NiTi from in situ neutron diffraction during macroscopic loading, instrumented indentation, and extensometry

TL;DR: The elastic modulus of B19' shape-memory NiTi was determined using three techniques; from the response of lattice planes measured using in situ neutron diffraction during loading, instrumented indentation using a spherical indenter and macroscopic extensometry.
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Application of Gaussian Process regression models for capturing the evolution of microstructure statistics in aging of Nickel-based superalloys

TL;DR: In this article, the principal component (PC) representation of rotationally invariant 2-point spatial correlations can adequately capture the salient features of the microstructure evolution in the thermal aging of the superalloys.
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Application of spherical indentation and the materials knowledge system framework to establishing microstructure-yield strength linkages from carbon steel scoops excised from high-temperature exposed components

TL;DR: In this paper, a novel spherical microindentation technique is applied to evaluate a library of scoop samples ranging between 0 and 99,000h of service, and microstructure and yield strength data for the different exposure periods are used to construct a structure-property (S-P) linkage using the MKS homogenization approach that employs spatial correlations, principal component analysis, and regression techniques.
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Structure and property evaluation of a vacuum plasma sprayed nanostructured tungsten-hafnium carbide bulk composite

TL;DR: In this paper, high resolution transmission electron microscopy (HRTEM) revealed the retention of nanostructures at the select process conditions and correlated with the enhanced mechanical properties of the nanocomposite.