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Orientation dependence of indentation behavior in Al–SiC nanolaminate composites

Journal Article · · Materials Letters
 [1];  [2];  [3];  [3];  [4];  [5];  [2];  [3]
  1. Arizona State University, Mesa, AZ (United States); DOE Office of Scientific and Technical Information (OSTI)
  2. IMDEA Materials Institute, Madrid (Spain)
  3. Arizona State University, Mesa, AZ (United States)
  4. University of New Mexico, Albuquerque, NM (United States)
  5. IMDEA Materials Institute, Madrid (Spain); Polytechnic University of Madrid (Spain)
Al and SiC nanolaminate films were characterized in the perpendicular, inclined and parallel orientations using nanoindentation. The deformation was dominated by buckling of the layers when the layers were parallel to the indenter and by compression of the ductile Al layers when the layers were perpendicular to the indenter, while indentation in inclined orientations showed an intermediate behavior. Finite element modeling (FEM) of indentation deformation using wavy layers showed much more compliant behavior and prominent layer buckling than the idealized flat structure, highlighting the large effect these microstructural details can have on the deformation behavior.
Research Organization:
Arizona State University, Tempe, AZ (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE
Grant/Contract Number:
AC04-94AL85000; AC52-06NA25396
OSTI ID:
1418537
Journal Information:
Materials Letters, Journal Name: Materials Letters Journal Issue: C Vol. 168; ISSN 0167-577X
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (19)

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Scratch resistance of Al/SiC metal/ceramic nanolaminates journal October 2011

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