This planning visit will initiate collaborative research in mechanical engineering between Purdue University Professor Vikas Tomar, School of Aeronautics and Astronautics and Indian Institute of Technology Madras (IITM) Professor Srikanth Vedantam, Department of Engineering Design. The focus of the research is to develop a modeling based approach to predicting high temperature material (HTM) microstructure evolution and its effect on material strength in high temperature environments. The PI and graduate student will undertake a two-week visit to India's premier IITM in Chennai to finalize preliminary calculations at the Indian facility in preparation for submitting a research proposal to either CMMI's Materials and Surface Engineering Program or DMR's Materials World Network Program.

The proposed research- microstructural development in high temperature materials- is a challenging and fundamental problem in materials science that could have broad impact on many areas in the materials sciences. Successful completion of the research has potential to lead to new HTMs with sustained strength in high temperature environments. Beyond this, the goal is to develop a predictive framework and formation of scientific principles that will transform the science of material microstructure prediction for sustained HTM strength in extreme environments. The inclusion of a US graduate student in this planning visit offers a unique opportunity to conduct research with international investigators and contributes to the sustainability of collaboration between Purdue and the IITM in Chennai, India.

Project Report

New developments in science and technology hinge on materials that can work in extreme environments such as those at high temperatures. Future high efficient zero emission fossil fuel power plants (such as oxy-fuel combustion plants) will require operation at significantly high temperatures in excess of 1750 K. The focus of the proposed work was on establishing a joint program between Indian Institute of Technology-Madras-India (IIT-M) and Purdue University West Lafayette (PUWL) by the visit of PI and group to IIT-M. Another objective was to explore educational collaborations that could lead to student exchange program. As part of the proposed activity, there were two visits to IIT-Madras in January and July-2012. The visit led to establishment of collaborative proposals submitted by the collaborating PIs to Indo-US Science and Technology Forum as well as to UK-India Education and Research Initiative. The proposals were based on joint ideas generated during visit and also involved multiple investigators from the United States as well as from India. The proposals incorporated a fully developed educational plan as well as research plan. The submitted proposal will be submitted as a report the National Science Foundation (NSF) program officer Dr. Lueck. The emphasis of the proposed visit was also on establishing joint research activity between the IIT-M and Purdue investigators. As a result of the support, the investigators started working on a joint program focusing on fractal analyses based multiscale modeling of material deformation in extreme environments. The resulting paper was accepted in International Journal of Plasticity (Lee, H., and Tomar, V., 2013, Understanding the effect of GB thickness change of thermomechanics of a W GB using ab initio simulations, Accepted to Appear in International J Plasticity, http://dx.doi.org/10.1016/j.ijplas.2013.07.010). The resulting discussions also led to a successful proposal submission by IIT-M investigator for the collaborative research. The corresponding proposal was submitted by Dr. Tomar to the NSF to the Mechanics of Materials program in February-2013. Intellectual Merit: The visit led to establishment of collaborative proposals submitted by the collaborating PIs to Indo-US Science and Technology Forum as well as to UK-India Education and Research Initiative. The proposals were based on joint ideas generated during visit and also involved multiple investigators from the United States as well as from India. The proposals incorporated a fully developed educational plan as well as research plan. The submitted proposal will be submitted as a report the National Science Foundation (NSF) program officer Dr. Lueck. The emphasis of the proposed visit was also on establishing joint research activity between the IIT-M and Purdue investigators. As a result of the support, the investigators started working on a joint program focusing on fractal analyses based multiscale modeling of material deformation in extreme environments. The resulting paper was accepted in International Journal of Plasticity (Lee, H., and Tomar, V., 2013, Understanding the effect of GB thickness change of thermomechanics of a W GB using ab initio simulations, Accepted to Appear in International J Plasticity, http://dx.doi.org/10.1016/j.ijplas.2013.07.010). The resulting discussions also led to a successful proposal submission by IIT-M investigator for the collaborative research. The corresponding proposal was submitted by Dr. Tomar to the NSF to the Mechanics of Materials program in February-2013. Broader Impacts: As a result of support new collaborations with Bristol University in United Kingdom, Columbia University in USA, and VJTI-Mumbai in India were started and the collaborative activity led to new research and education activities. The collaboration supported new efforts at Purdue supporting US-India Obama Singh Initiatives. Appendix to be submitted to NSF Program Officer: Indo-US Science and Technology Forum Proposal Submitted In Feb-2012 (PAGE2) Indo-UK-US UKERI (PAGE 16)

Project Start
Project End
Budget Start
2011-09-01
Budget End
2013-08-31
Support Year
Fiscal Year
2011
Total Cost
$10,030
Indirect Cost
Name
Purdue University
Department
Type
DUNS #
City
West Lafayette
State
IN
Country
United States
Zip Code
47907