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  • Nikhilesh Chawla

3D/4D X-Ray microtomography: Probing the mechanical behavior of materials

Singh, S. S. & Chawla, N., Jan 1 2019, Handbook of Mechanics of Materials. Springer Singapore, p. 2013-2033 21 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

3D microstructural characterization and mechanical properties of constituent particles in Al 7075 alloys using X-ray synchrotron tomography and nanoindentation

Singh, S. S., Schwartzstein, C., Williams, J. J., Xiao, X., De Carlo, F. & Chawla, N., Jul 25 2014, In : Journal of Alloys and Compounds. 602, p. 163-174 12 p.

Research output: Contribution to journalArticle

51 Scopus citations

3D time-resolved observations of corrosion and corrosion-fatigue crack initiation and growth in peak-aged Al 7075 using synchrotron X-ray tomography

Stannard, T. J., Williams, J. J., Singh, S. S., Sundaram Singaravelu, A. S., Xiao, X. & Chawla, N., Jan 1 2018, (Accepted/In press) In : Corrosion Science.

Research output: Contribution to journalArticle

10 Scopus citations

3D Time-Resolved Observations of Fatigue Crack Initiation and Growth from Corrosion Pits in Al 7XXX Alloys Using In Situ Synchrotron X-ray Tomography

Singaravelu, A. S. S., Williams, J. J., Goyal, H. D., Niverty, S., Singh, S. S., Stannard, T. J., Xiao, X. & Chawla, N., Jan 1 2019, (Accepted/In press) In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science.

Research output: Contribution to journalArticle

1 Scopus citations

3D X-ray microtomography and mechanical characterization of corrosion-induced damage in 7075 aluminium (Al) alloys

Vallabhaneni, R., Stannard, T. J., Kaira, C. S. & Chawla, N., Jan 1 2018, (Accepted/In press) In : Corrosion Science.

Research output: Contribution to journalArticle

8 Scopus citations
34 Scopus citations

Accurate stochastic reconstruction of heterogeneous microstructures by limited x-ray tomographic projections

Li, H., Kaira, S., Mertens, J., Chawla, N. & Jiao, Y., Dec 1 2016, In : Journal of Microscopy. 264, 3, p. 339-350 12 p.

Research output: Contribution to journalArticle

10 Scopus citations

A custom lab-scale high resolution x-ray computed tomography system for 4D materials science: Imaging performance modeling and characterization

Mertens, J. C. E. & Chawla, N., Jan 1 2014, Developments in X-Ray Tomography IX. Stock, S. R. (ed.). SPIE, 92121E. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9212).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

A Forward Modeling Approach to High-Reliability Grain Mapping by Laboratory Diffraction Contrast Tomography (LabDCT)

Niverty, S., Sun, J., Williams, J., Bachmann, F., Gueninchault, N., Lauridsen, E. & Chawla, N., Jan 1 2019, In : JOM.

Research output: Contribution to journalArticle

1 Scopus citations
1 Scopus citations

A microstructure-guided constitutive modeling approach for random heterogeneous materials: Application to structural binders

Das, S., Maroli, A., Singh, S. S., Stannard, T., Xiao, X., Chawla, N. & Neithalath, N., Jun 15 2016, In : Computational Materials Science. 119, p. 52-64 13 p.

Research output: Contribution to journalArticle

21 Scopus citations

A multilayer micromechanical model of the cuticle of Curculio longinasus Chittenden, 1927 (Coleoptera: Curculionidae)

Andrew Jansen, M., Singh, S. S., Chawla, N. & Franz, N., Feb 19 2016, (Accepted/In press) In : Journal of Structural Biology.

Research output: Contribution to journalArticle

6 Scopus citations

Analysis of thermal history effects on mechanical anisotropy of 3D-printed polymer matrix composites via in situ X-ray tomography

Mertens, J. C. E., Henderson, K., Cordes, N. L., Pacheco, R., Xiao, X., Williams, J. J., Chawla, N. & Patterson, B. M., Oct 1 2017, In : Journal of Materials Science. 52, 20, p. 12185-12206 22 p.

Research output: Contribution to journalArticle

6 Scopus citations

Anisotropy, size, and aspect ratio effects on micropillar compression of Al[sbnd]SiC nanolaminate composites

Mayer, C. R., Yang, L. W., Singh, S. S., Llorca, J., Molina-Aldareguia, J. M., Shen, Y. L. & Chawla, N., Aug 1 2016, In : Acta Materialia. 114, p. 25-32 8 p.

Research output: Contribution to journalArticle

30 Scopus citations

Anomalous viscoplasticity during nanoindentation of Al/SiC nanolaminated composites

Singh, D. R. P., Chawla, N., Tang, G. & Shen, Y. L., May 25 2011, In : Materials Science and Engineering A. 528, 13-14, p. 4608-4614 7 p.

Research output: Contribution to journalArticle

6 Scopus citations

A Study of Pb-Rich Dendrites in a Near-Eutectic 63Sn-37Pb Solder Microstructure via Laboratory-Scale Micro X-ray Computed Tomography (μXCT)

Mertens, J. C. E., Williams, J. J. & Chawla, N., Jan 1 2014, In : Journal of Electronic Materials. 43, 12, p. 4442-4456 15 p.

Research output: Contribution to journalArticle

7 Scopus citations

Automated correlative segmentation of large Transmission X-ray Microscopy (TXM) tomograms using deep learning

Shashank Kaira, C., Yang, X., De Andrade, V., De Carlo, F., Scullin, W., Gursoy, D. & Chawla, N., Aug 1 2018, In : Materials Characterization. 142, p. 203-210 8 p.

Research output: Contribution to journalArticle

10 Scopus citations

Avoidance of Catastrophic Structural Failure as an Evolutionary Constraint: Biomechanics of the Acorn Weevil Rostrum

Jansen, M. A., Williams, J., Chawla, N. & Franz, N., Jan 1 2019, (Accepted/In press) In : Advanced Materials. 1903526.

Research output: Contribution to journalArticle

Challenges in data intensive science at synchrotron based 3D x-ray imaging facilities

de Carlo, F., Schwarz, N., Xiao, X., Fezzaa, K., Wang, S., Jacobsen, C., Chawla, N. & Fußeis, F., Jan 1 2013, TMS 2013 142nd Annual Meeting and Exhibition, Annual Meeting. Wiley Blackwell, p. 1185-1190 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Challenges in data intensive science at synchrotron based 3D x-ray imaging facilities

De Carlo, F., Schwarz, N., Xao, X., Fezzaa, K., Wang, S., Jacobsen, C., Chawla, N. & Fußeis, F., Apr 25 2013, TMS 2013 - 142nd Annual Meeting and Exhibition, Supplemental Proceedings: Linking Science and Technology for Global Solutions. p. 1185-1190 6 p. (TMS Annual Meeting).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Characterisation of thermal cycling induced cavitation in particle reinforced metal matrix composites by three-dimensional (3D) X-ray synchrotron tomography

Chapman, N. C., Silva, J., Williams, J. J., Chawla, N. & Xiao, X., Mar 1 2015, In : Materials Science and Technology (United Kingdom). 31, 5, p. 573-578 6 p.

Research output: Contribution to journalArticle

13 Scopus citations

Characterization and adhesion in Cu/Ru/SiO2/Si multilayer nano-scale structure for Cu metallization

Chawla, N., Venkatesh, S. H., Singh, D. R. P. & Alford, T., Apr 1 2013, In : Journal of Materials Engineering and Performance. 22, 4, p. 1085-1090 6 p.

Research output: Contribution to journalArticle

2 Scopus citations

Characterization of damage evolution in sic particle reinforced Al alloy matrix composites by in-situ X-ray synchrotron tomography

Williams, J. J., Chapman, N. C., Jakkali, V., Tanna, V. A., Chawla, N., Xiao, X. & De Carlo, F., Oct 1 2011, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 42, 10, p. 2999-3005 7 p.

Research output: Contribution to journalArticle

27 Scopus citations
2 Scopus citations
Open Access

Crack bridging modelling in Bioglass® based scaffolds reinforced by poly-vinyl alcohol/microfibrillated cellulose composite coating

Kotoul, M., Skalka, P., Ševeček, O., Bertolla, L., Mertens, J., Marcián, P. & Chawla, N., Jul 1 2017, In : Mechanics of Materials. 110, p. 16-28 13 p.

Research output: Contribution to journalArticle

1 Scopus citations

Cyclic indentation behavior of metal-ceramic nanolayered composites

Shen, Y. L., Blada, C. B., Williams, J. J. & Chawla, N., Nov 15 2012, In : Materials Science and Engineering A. 557, p. 119-125 7 p.

Research output: Contribution to journalArticle

16 Scopus citations

Damage evolution in Al-SiC composites by X-ray synchrotron tomograhy and extended finite element modeling (X-FEM)

Singh, S. S., Yuan, R., Oswald, J. & Chawla, N., Jan 1 2015.

Research output: Contribution to conferencePaper

Data challenges of in situ X-ray tomography for materials discovery and characterization

Patterson, B. M., Cordes, N. L., Henderson, K., Xiao, X. & Chawla, N., Jan 1 2018, Springer Series in Materials Science. Springer Verlag, p. 129-165 37 p. (Springer Series in Materials Science; vol. 280).

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations

Data intensive science at synchrotron based 3D x-ray imaging facilities

De Carlo, F., Xiao, X., Fezza, K., Wang, S., Schwarz, N., Jacobsen, C., Chawla, N. & Fusseis, F., Dec 1 2012, 2012 IEEE 8th International Conference on E-Science, e-Science 2012. 6404468. (2012 IEEE 8th International Conference on E-Science, e-Science 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Deformation mechanisms of ultra-thin Al layers in Al/SiC nanolaminates as a function of thickness and temperature

Yang, L. W., Mayer, C., Chawla, N., Llorca, J. & Molina-Aldareguía, J. M., Aug 17 2016, (Accepted/In press) In : Philosophical Magazine. p. 1-20 20 p.

Research output: Contribution to journalArticle

12 Scopus citations
21 Scopus citations

Dendritic morphology of α-Mg during the solidification of Mg-based alloys: 3D experimental characterization by X-ray synchrotron tomography and phase-field simulations

Wang, M. Y., Williams, J. J., Jiang, L., De Carlo, F., Jing, T. & Chawla, N., Nov 1 2011, In : Scripta Materialia. 65, 10, p. 855-858 4 p.

Research output: Contribution to journalArticle

46 Scopus citations

Development of a lab-scale, high-resolution, tube-generated X-ray computed-tomography system for three-dimensional (3D) materials characterization

Mertens, J. C. E., Williams, J. J. & Chawla, N., Jun 1 2014, In : Materials Characterization. 92, p. 36-48 13 p.

Research output: Contribution to journalArticle

30 Scopus citations

Diffusivity and micro-hardness of blended cement materials exposed to external sulfate attack

Bonakdar, A., Mobasher, B. & Chawla, N., Jan 1 2012, In : Cement and Concrete Composites. 34, 1, p. 76-85 10 p.

Research output: Contribution to journalArticle

31 Scopus citations

Direct extraction of spatial correlation functions from limited x-ray tomography data for microstructural quantification

Li, H., Singh, S., Chawla, N. & Jiao, Y., Jun 2018, In : Materials Characterization. 140, p. 265-274 10 p.

Research output: Contribution to journalArticle

3 Scopus citations

Direct observations of microstructure-resolved corrosion initiation in AA7075-T651 at the nanoscale using vertical scanning interferometry (VSI)

Torbati-Sarraf, H., Stannard, T. J., La Plante, E. C., Sant, G. N. & Chawla, N., Mar 2020, In : Materials Characterization. 161, 110166.

Research output: Contribution to journalArticle

1 Scopus citations

Effective properties of a fly ash geopolymer: Synergistic application of X-ray synchrotron tomography, nanoindentation, and homogenization models

Das, S., Yang, P., Singh, S. S., Mertens, J. C. E., Xiao, X., Chawla, N. & Neithalath, N., Apr 9 2015, In : Cement and Concrete Research. 78, p. 252-262 11 p.

Research output: Contribution to journalArticle

45 Scopus citations
4 Scopus citations

Effect of Component Flexibility During Thermal Cycling of Sintered Nano-Silver Joints by X-ray Microtomography

Williams, J. J., Regalado, I. L., Liu, L., Joshi, S. & Chawla, N., Jan 1 2020, In : Journal of Electronic Materials. 49, 1, p. 241-244 4 p.

Research output: Contribution to journalArticle

Effect of fiber fabric orientation on the flexural monotonic and fatigue behavior of 2D woven ceramic matrix composites

Chawla, N., Liaw, P. K., Lara-Curzio, E., Ferber, M. K. & Lowden, R. A., Nov 15 2012, In : Materials Science and Engineering A. 557, p. 77-83 7 p.

Research output: Contribution to journalArticle

6 Scopus citations

Effect of gallium addition on the microstructure and micromechanical properties of constituents in Nb[sbnd]Si based alloys

Guo, E., Singh, S. S., Mayer, C., Meng, X., Xu, Y., Luo, L., Wang, M. & Chawla, N., May 15 2017, In : Journal of Alloys and Compounds. 704, p. 89-100 12 p.

Research output: Contribution to journalArticle

10 Scopus citations

Effect of layer thickness on the high temperature mechanical properties of Al/SiC nanolaminates

Lotfian, S., Mayer, C., Chawla, N., Llorca, J., Misra, A., Baldwin, J. K. & Molina-Aldareguía, J. M., Nov 28 2014, In : Thin Solid Films. 571, P2, p. 260-267 8 p.

Research output: Contribution to journalArticle

21 Scopus citations

Efficient methods for implicit geometrical representation of complex material microstructures

Yuan, R., Singh, S. S., Chawla, N. & Oswald, J., Apr 13 2014, In : International Journal for Numerical Methods in Engineering. 98, 2, p. 79-91 13 p.

Research output: Contribution to journalArticle

4 Scopus citations

Electrochemical mechanical removal of Ta films in dihydroxybenzene sulfonic acid solutions containing potassium iodate

Govindarajan, R., Siddiqui, S., Keswani, M., Raghavan, S., Singh, D. R. P. & Chawla, N., Feb 28 2011, In : Electrochemical and Solid-State Letters. 14, 4, p. H156-H160

Research output: Contribution to journalArticle

3 Scopus citations
32 Scopus citations

Electromigration in Bi-crystal pure Sn solder joints: Elucidating the role of grain orientation

Kelly, M. B., Niverty, S. & Chawla, N., Jan 1 2019, (Accepted/In press) In : Journal of Alloys and Compounds. 152918.

Research output: Contribution to journalArticle

Electromigration mechanisms in Sn-0.7Cu/Cu couples by four dimensional (4D) X-ray microtomography and electron backscatter diffraction (EBSD)

Mertens, J. C. E., Kirubanandham, A. & Chawla, N., Jan 1 2016, In : Acta Materialia. 102, p. 220-230 11 p.

Research output: Contribution to journalArticle

19 Scopus citations