NDLI: 3-D x-ray strain microscopy in two-phase composites at submicron length scales

Content Provider	Springer Nature Link
Author	Barabash, R. I. Bei, H. Ice, G. E. Gao, Y. F. Barabash, O. M.
Copyright Year	2011
Abstract	Renewed interest in composite materials is driven by the fact that their mechanical properties can be superior to those of individual constituent phases. Interfaces between the phases and the properties of individual phases are the two key elements responsible for the unique micro-mechanisms of plastic deformation in composites. In this research summary we show how the depth-dependent residual strain distributed in the two phases and partitioned across the composite interfaces can be directly measured at submicron length-scales using x-ray microdiffraction and compared to a detailed simulation within the framework of micromechanical stress analysis. Interface strength is determined from the analysis of the so-called “slip zone” caused by the near-surface stress relaxation. Two examples are discussed: Mo-NiAl and AG-15 composites.
Starting Page	30
Ending Page	34
Page Count	5
File Format	PDF
ISSN	10474838
Journal	JOM
Volume Number	63
Issue Number	3
e-ISSN	15431851
Language	English
Publisher	Springer US
Publisher Date	2011-03-13
Publisher Institution	The Minerals, Metals & Materials Society (TMS)
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physics Materials Science Earth Sciences Chemistry/Food Science Environment Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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3-D x-ray strain microscopy in two-phase composites at submicron length scales