In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites

Li, N.; Wang, H.; Misra, A.; Wang, J.

doi:10.1038/srep06633

Title: In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites

Abstract

We performed in situ indentation in a transmission electron microscope on Al-TiN multilayers with individual layer thicknesses of 50 nm, 5 nm and 2.7 nm to explore the effect of length scales on the plastic co-deformability of a metal and a ceramic. At 50 nm, plasticity was confined to the Al layers with easy initiation of cracks in the TiN layers. At 5 nm and below, cracking in TiN was suppressed and post mortem measurements indicated a reduction in layer thickness in both layers. The results demonstrate the profound size effect in enhancing plastic co-deformability in nanoscale metal-ceramic multilayers.

Authors:

Li, N. ^[1]; Wang, H. ^[2]; Misra, A. ^[3]; Wang, J. ^[2]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Materials Physics and Applications Division
Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Materials Science and Technology Division
Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Materials Physics and Applications Division; Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Materials Science and Engineering

Publication Date:: Thu Oct 16 00:00:00 EDT 2014

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1259289

Alternate Identifier(s):: OSTI ID: 1321747

Report Number(s):: LA-UR-14-26958
Journal ID: ISSN 2045-2322; srep06633

Grant/Contract Number:: AC52-06NA25396

Resource Type:: Accepted Manuscript

Journal Name:: Scientific Reports

Additional Journal Information:: Journal Volume: 4; Journal ID: ISSN 2045-2322

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; materials science; structural properties

Citation Formats


                    Li, N., Wang, H., Misra, A., and Wang, J. In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites.  United States: N. p., 2014. 
Web.  doi:10.1038/srep06633.

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                    Li, N., Wang, H., Misra, A., & Wang, J. In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites.  United States.  https://doi.org/10.1038/srep06633

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                    Li, N., Wang, H., Misra, A., and Wang, J. Thu .  
"In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites".  United States.  https://doi.org/10.1038/srep06633.  https://www.osti.gov/servlets/purl/1259289.

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@article{osti_1259289,

  title        = {In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites},

  author       = {Li, N. and Wang, H. and Misra, A. and Wang, J.},

  abstractNote = {We performed in situ indentation in a transmission electron microscope on Al-TiN multilayers with individual layer thicknesses of 50 nm, 5 nm and 2.7 nm to explore the effect of length scales on the plastic co-deformability of a metal and a ceramic. At 50 nm, plasticity was confined to the Al layers with easy initiation of cracks in the TiN layers. At 5 nm and below, cracking in TiN was suppressed and post mortem measurements indicated a reduction in layer thickness in both layers. The results demonstrate the profound size effect in enhancing plastic co-deformability in nanoscale metal-ceramic multilayers.},

  doi          = {10.1038/srep06633},

  journal      = {Scientific Reports},

  number       = ,

  volume       = 4,

  place        = {United States},

  year         = {Thu Oct 16 00:00:00 EDT 2014},

  month        = {Thu Oct 16 00:00:00 EDT 2014}

}

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Title: In situ nanoindentation study of plastic Co-deformation in Al-TiN nanocomposites

Abstract

Citation Formats

Nanoindentation hardness and structure of ion beam sputtered TiN, W and TiN/W multilayer hard coatings journal, June 2006

Plastic Deformation of Metal/Ceramic Nanolayered Composites journal, September 2014

Ceramic/metal interface structures and their relationship to atomic- and meso-scale properties journal, December 2003

On dislocation storage and the mechanical response of fine scale microstructures journal, June 1994

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Hardness and stability of metal–nitride nanoscale multilayers journal, March 2004

Molecular dynamics simulations of plastic deformation in Nb/NbC multilayers journal, August 2014

Ti/TiN multilayer coatings: deposition technique, characterization and mechanical properties journal, July 2001

Nanoindentation Behavior of Nanolayered Metal-Ceramic Composites journal, August 2005

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Indentation behavior of metal–ceramic multilayers at the nanoscale: Numerical analysis and experimental verification journal, April 2010

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First-principles density functional theory study of generalized stacking faults in TiN and MgO journal, November 2013

Core structure and Peierls stress of edge and screw dislocations in TiN: A density functional theory study journal, August 2014

Shear response of Σ 3 { 112 } twin boundaries in face-centered-cubic metals journal, February 2011

In situ nanoindentation study on plasticity and work hardening in aluminium with incoherent twin boundaries journal, September 2014

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Plastic Deformation of Metal/Ceramic Nanolayered Composites journal, September 2014

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In situ nanoindentation study on plasticity and work hardening in aluminium with incoherent twin boundaries journal, September 2014

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First-principles density functional theory study of generalized stacking faults in TiN and MgO
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