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Synthesis, Characterization, and Intrinsic Hardness of Layered Nanolaminate Ti3AlC2 and Ti3Al0.8Sn0.2C2 Solid Solution

The HIPing of Ti-Al-1.9TiC and Ti-Al-0.2Sn-1.8TiC reactant mixtures yields Ti3AlC2 and Ti3Al0.8Sn0.2C2 solid solutions, respectively. Rietveld refinement gives a = 3.0786 +/- 0.0001 Aa and c = 18.589 +/- 0.001 Aa lattice parameters for Ti3AlC2 and a = 3.0837 +/- 0.0001 Aa and c = 18.621 +/- 0.002 Aa... Full description

Journal Title: Journal of the American Ceramic Society Jan 2012, Vol.95(1), pp.102-107
Main Author: Bei, G
Other Authors: Gauthier-Brunet, V , Tromas, C , Dubois, S
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0002-7820 ; E-ISSN: 1551-2916 ; DOI: 10.1111/j.1551-2916.2011.04846.x
Link: http://search.proquest.com/docview/1010890838/?pq-origsite=primo
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title: Synthesis, Characterization, and Intrinsic Hardness of Layered Nanolaminate Ti3AlC2 and Ti3Al0.8Sn0.2C2 Solid Solution
format: Article
creator:
  • Bei, G
  • Gauthier-Brunet, V
  • Tromas, C
  • Dubois, S
subjects:
  • Hardness
  • Microindentation
  • Nanocomposites
  • Nanoindentation
  • Nanomaterials
  • Nanostructure
  • Solid Solutions
  • Titanium
  • General (Wc)
  • General and Nonclassified (EC)
ispartof: Journal of the American Ceramic Society, Jan 2012, Vol.95(1), pp.102-107
description: The HIPing of Ti-Al-1.9TiC and Ti-Al-0.2Sn-1.8TiC reactant mixtures yields Ti3AlC2 and Ti3Al0.8Sn0.2C2 solid solutions, respectively. Rietveld refinement gives a = 3.0786 +/- 0.0001 Aa and c = 18.589 +/- 0.001 Aa lattice parameters for Ti3AlC2 and a = 3.0837 +/- 0.0001 Aa and c = 18.621 +/- 0.002 Aa for Ti3Al0.8Sn0.2C2. Furthermore, about 2-3 vol% of TixAly intermetallics is detected in Ti3Al0.8Sn0.2C2 solid solution. The intrinsic hardness, measured by nanoindention tests, is 11.4 +/- 0.7 GPa for Ti3AlC2 and 10.2 +/- 0.6 GPa for Ti3Al0.8Sn0.2C2. Furthermore, hardness values, measured by microindentation tests, are compared with the ones measured by nanoindentation. It is shown that microindentation and nanoindentation performed with large loads lead to underestimated hardness values as several grains are involved in the deformation process. Finally, Young's modulus of Ti3AlC2 and Ti3Al0.8Sn0.2C2 is 260 +/- 10 and 250 +/- 10 GPa, respectively.
language: eng
source:
identifier: ISSN: 0002-7820 ; E-ISSN: 1551-2916 ; DOI: 10.1111/j.1551-2916.2011.04846.x
fulltext: fulltext
issn:
  • 00027820
  • 0002-7820
  • 15512916
  • 1551-2916
url: Link


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titleSynthesis, Characterization, and Intrinsic Hardness of Layered Nanolaminate Ti3AlC2 and Ti3Al0.8Sn0.2C2 Solid Solution
creatorBei, G ; Gauthier-Brunet, V ; Tromas, C ; Dubois, S
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subjectHardness ; Microindentation ; Nanocomposites ; Nanoindentation ; Nanomaterials ; Nanostructure ; Solid Solutions ; Titanium ; General (Wc) ; General and Nonclassified (EC)
descriptionThe HIPing of Ti-Al-1.9TiC and Ti-Al-0.2Sn-1.8TiC reactant mixtures yields Ti3AlC2 and Ti3Al0.8Sn0.2C2 solid solutions, respectively. Rietveld refinement gives a = 3.0786 +/- 0.0001 Aa and c = 18.589 +/- 0.001 Aa lattice parameters for Ti3AlC2 and a = 3.0837 +/- 0.0001 Aa and c = 18.621 +/- 0.002 Aa for Ti3Al0.8Sn0.2C2. Furthermore, about 2-3 vol% of TixAly intermetallics is detected in Ti3Al0.8Sn0.2C2 solid solution. The intrinsic hardness, measured by nanoindention tests, is 11.4 +/- 0.7 GPa for Ti3AlC2 and 10.2 +/- 0.6 GPa for Ti3Al0.8Sn0.2C2. Furthermore, hardness values, measured by microindentation tests, are compared with the ones measured by nanoindentation. It is shown that microindentation and nanoindentation performed with large loads lead to underestimated hardness values as several grains are involved in the deformation process. Finally, Young's modulus of Ti3AlC2 and Ti3Al0.8Sn0.2C2 is 260 +/- 10 and 250 +/- 10 GPa, respectively.
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descriptionThe HIPing of Ti-Al-1.9TiC and Ti-Al-0.2Sn-1.8TiC reactant mixtures yields Ti3AlC2 and Ti3Al0.8Sn0.2C2 solid solutions, respectively. Rietveld refinement gives a = 3.0786 +/- 0.0001 Aa and c = 18.589 +/- 0.001 Aa lattice parameters for Ti3AlC2 and a = 3.0837 +/- 0.0001 Aa and c = 18.621 +/- 0.002 Aa for Ti3Al0.8Sn0.2C2. Furthermore, about 2-3 vol% of TixAly intermetallics is detected in Ti3Al0.8Sn0.2C2 solid solution. The intrinsic hardness, measured by nanoindention tests, is 11.4 +/- 0.7 GPa for Ti3AlC2 and 10.2 +/- 0.6 GPa for Ti3Al0.8Sn0.2C2. Furthermore, hardness values, measured by microindentation tests, are compared with the ones measured by nanoindentation. It is shown that microindentation and nanoindentation performed with large loads lead to underestimated hardness values as several grains are involved in the deformation process. Finally, Young's modulus of Ti3AlC2 and Ti3Al0.8Sn0.2C2 is 260 +/- 10 and 250 +/- 10 GPa, respectively.
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abstractThe HIPing of Ti-Al-1.9TiC and Ti-Al-0.2Sn-1.8TiC reactant mixtures yields Ti3AlC2 and Ti3Al0.8Sn0.2C2 solid solutions, respectively. Rietveld refinement gives a = 3.0786 +/- 0.0001 Aa and c = 18.589 +/- 0.001 Aa lattice parameters for Ti3AlC2 and a = 3.0837 +/- 0.0001 Aa and c = 18.621 +/- 0.002 Aa for Ti3Al0.8Sn0.2C2. Furthermore, about 2-3 vol% of TixAly intermetallics is detected in Ti3Al0.8Sn0.2C2 solid solution. The intrinsic hardness, measured by nanoindention tests, is 11.4 +/- 0.7 GPa for Ti3AlC2 and 10.2 +/- 0.6 GPa for Ti3Al0.8Sn0.2C2. Furthermore, hardness values, measured by microindentation tests, are compared with the ones measured by nanoindentation. It is shown that microindentation and nanoindentation performed with large loads lead to underestimated hardness values as several grains are involved in the deformation process. Finally, Young's modulus of Ti3AlC2 and Ti3Al0.8Sn0.2C2 is 260 +/- 10 and 250 +/- 10 GPa, respectively.
doi10.1111/j.1551-2916.2011.04846.x
urlhttp://search.proquest.com/docview/1010890838/
date2012-01