Sid Pathak

Title(s):

Assistant Professor
Materials Science and Engineering

Office

2220BP Hoover Hall
528 Bissell Rd.
Ames, IA 50011-1096

Information

Education

  • Ph.D. in Materials Science and Engineering, June 2009, Drexel University, Philadelphia, PA, USA
  • Bachelor of Technology, Metallurgical Engineering, April 2003, National Institute of Technology (formerly Regional Engineering College), Warangal, A.P., India

Honors and Awards

Research Awards

  • 2020 NSF EPSCoR Research Fellow
  • 2019 DARPA Young Faculty Award
  • Selected to represent TMS at the 2019 Emerging Leaders Alliance (ELA) Conference and be part of a cadre of over 60 leaders from a broad cross-section of the engineering community
  • Chosen as one of the 2019 Top UNR Researchers for the UNR Top Researcher Portrait project. This portrait gallery is organized around the theme of “Go Where Knowledge Leads,” and celebrates UNR’s recent R1 Carnegie® Classification https://www.unr.edu/go
  • Incoming Chair 2020, Center for Integrated Nanotechnologies (CINT) at Los Alamos National Laboratory (LANL) – Sandia National laboratory (SNL). Users Executive Committee (UEC)
  • Recipient of the 2017 TMS MPMD (Materials Processing & Manufacturing Division) Young Leaders Professional Development Award
  • Winning LANL entry, 2012-13 National Institute of Justice Body Armor Challenge: ‘How Long Does Body Armor Really Last?’ Phase I winner, and Phase II finalist for this challenge.

Micrography Awards

  • Research work on carbon nanotubes selected for the Carnegie Mellon’s MoonArk project 2016.  The work selected here is expected to travel to the Moon (!!) aboard a lunar lander. When the lunar mission is finished, it is intended that the MoonArk will remain on the Moon as an enduring time capsule depicting element of Earth’s art, architecture, design, music, drama, ballet, poetry, sciences, humanities, and technologies.
  • Research work has been featured three times as cover images for the Materials Today journal
    • Work on carbon nanotubes (CNT) selected as the cover image for 2012 for Materials Today through an international level competition.
    • Work on carbon nanotube (CNT) micropillars selected as the cover image for Sep 2010 for Materials Today through an international level competition.  http://www.materialstoday.com/mt/cover-comp/2009
    • Finalist for the 2005 international cover competition for Materials Today.
  • First prize in the NanoArt 2011 International Online Competition http://www.nanotech-now.com/columns/?article=550

Teaching Awards

  • Awarded the 2019 Senior Scholar Mentor award by the University of Nevada, Reno and the Nevada Alumni Association https://www.unr.edu/nevada-today/news/2019/spring-2019-senior-scholars
  • Instructor for the 2018-19 senior design team that won Second Prize in the ASM Foundation Design Competition. As the Second-Place winner, our team received $1,500 plus up to $500 travel assistance to attend the MS&T ’19 in Portland, Oregon

Interest Areas

  • Nano-mechanics, small scale mechanics
  • Mechanistic design of multi-layered nanocomposites:
    • Materials under extreme environments
    • Physical metallurgy
    • Shape memory alloys
  • Establishing processing-microstructure evolution linkages in polycrystalline metals
  • Solidification in micro-gravity
  • Biomechanics of hierarchically structured biomaterials (enamel, bone)

Publications

Check my Google Scholar page for an updated list: https://scholar.google.co.in/citations?user=73-ybhoAAAAJ&hl=en

 

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Title

Journal

Year

1

Structure and Properties of Pseudomorphically Transformed bcc Mg in Mg/Nb Multilayered Nanolaminates studied using Synchrotron X-Ray Diffraction

Journal of Applied Physics, Manish Jain, Nenad Velisavljevic, J. Kevin Baldwin,Marko Knezevic, Nathan A. Mara, Irene J. Beyerlein, and Siddhartha Pathak

https://doi.org/10.1063/1.5097249 

2019

2

Quantifying the mechanical effects of He, W and He+ W ion irradiation on tungsten with spherical nanoindentation

Journal of Materials Science, Jordan S Weaver, Cheng Sun, Yongqiang Wang, Surya R Kalidindi, Russ P Doerner, Nathan A Mara, Siddhartha Pathak

DOI: 10.1007/s10853-017-1833-8

2018

3

Comparing irradiation induced damage in He, W and He+W ion irradiated tungsten using spherical nanoindentation

Journal of Materials Science,  JS Weaver, C Sun, Y Wang, SR Kalidindi, NA Mara, and S Pathak

https://doi.org/10.1007/s10853-017-1833-8

2017

4

Probing nanoscale damage gradients with spherical nanoindentation

Scientific Reports, S Pathak, SR Kalidindi, J Weaver, Y Wang, R Doerner, N Mara

http://rdcu.be/v11u

2017

5

Strong, Ductile, and Thermally Stable bcc-Mg Nanolaminates

Scientific Reports, Siddhartha Pathak, Nenad Velisavljevic, J. Kevin Baldwin, Manish Jain, Shijian Zheng, Nathan A. Mara, Irene J. Beyerlein

https://doi.org/10.1038/s41598-017-08302-5

2017

6

Spherical nanoindentation of proton irradiated 304 stainless steel: a comparison of small scale mechanical test techniques for measuring irradiation hardening

Journal of Nuclear Materials, Jordan S. Weaver, Siddhartha Pathak, Ashley Reichardt, Hi T. Vo, Stuart Maloy, Peter Hosemann, and Nathan A. Mara

https://doi.org/10.1016/j.jnucmat.2017.06.031

2017

7

Investigations of orientation and length scale effects on micromechanical responses in polycrystalline Zirconium using spherical nanoindentation

Scripta Materialia, S Pathak, SR Kalidindi, N.A. Mara

https://doi.org/10.1016/j.scriptamat.2015.10.035

2016

8

Vertically Aligned Carbon Nanotubes, Collective Mechanical Behavior

Encyclopedia of Nanotechnology (Springer) 2nd edition pp 1-20, S Pathak, S Hutchens

https://doi.org/10.1007/978-94-007-6178-0_387-2 ISBN 978-94-007-6178-0

2016

9

Spherical Nanoindentation Stress Strain Curves

Materials Science and Engineering: Reports Volume 91, pg 1–36 S Pathak, SR Kalidindi 

https://doi.org/10.1016/j.mser.2015.02.001

2015

10

Local Relative Density Modulates Failure and Strength in Vertically Aligned Carbon Nanotubes

ACS Nano Vol 7, No 10, pg 8593-8604 S Pathak, N Mohan, E Decolvenaere, A Needleman, M Bedewy, AJ Hart, JR. Greer

http://dx.doi.org/10.1021/nn402710j

2013

11

Studying Grain Boundary Regions in Polycrystalline Materials Using Spherical Nano-Indentation and Orientation Imaging Microscopy Nominated as finalist for the Journal of Materials Science Robert W. Cahn Best Paper Prize for 2012 (the “Cahn Prize”)

J. Materials Science, Volume 47, Issue 2, pg 815-823 S Pathak, J Michler, K Wasmer and SR Kalidindi 

http://dx.doi.org/10.1007/s10853-011-5859-z

2012

12

Viscoelasticity and high buckling stress of dense carbon nanotube brushes

Carbon Vol 47, pg 1969-76 S Pathak, ZG Cambaz, SR Kalidindi, JG Swadener, Y Gogotsi

 https://doi.org/10.1016/j.carbon.2009.03.042

2012

13

Size effects in Al nanopillars: single crystalline versus bicrystalline

Acta Materialia 59(11), pg 4416-4424 A. Kunz , S Pathak, J. R. Greer

https://doi.org/10.1016/j.actamat.2011.03.065

2011

14

Determination of the effective zero-point and the extraction of spherical nanoindentation stressstrain curves

Acta Materialia 56, pg 3533-3542 S R. Kalidindi, S Pathak

https://doi.org/10.1016/j.actamat.2008.03.036

2008

 

Departments

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