Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Characterization and modeling of microstructural stresses in alumina

Journal Article · · Journal of the American Ceramic Society
DOI:https://doi.org/10.1111/jace.15369· OSTI ID:1476936

Brittle failure is often influenced by difficult to measure and variable microstructure–scale stresses. Recent advances in photoluminescence spectroscopy (PLS), including improved confocal laser measurement and rapid spectroscopic data collection have established the potential to map stresses with microscale spatial resolution (< 2 μm). Advanced PLS was successfully used to investigate both residual and externally applied stresses in polycrystalline alumina at the microstructure scale. The measured average stresses matched those estimated from beam theory to within one standard deviation, validating the technique. Modeling the residual stresses within the microstructure produced qualitative agreement in comparison with the experimentally measured results. In conclusion, microstructure scale modeling is primed to take advantage of advanced PLS to enable its refinement and validation, eventually enabling microstructure modeling to become a predictive tool for brittle materials.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1476936
Report Number(s):
SAND--2018-10407J; 668234
Journal Information:
Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Journal Issue: 5 Vol. 101; ISSN 0002-7820
Publisher:
American Ceramic SocietyCopyright Statement
Country of Publication:
United States
Language:
English

References (22)

Measurement of the stress in oxide scales formed by oxidation of alumina-forming alloys journal April 1996
Microstructure-based stress analysis and evaluation for porous ceramics by homogenization method with digital image-based modeling journal March 2003
Stochastic failure of isotropic, brittle materials with uniform porosity journal May 2013
Quantitative mapping of stress heterogeneity in polycrystalline alumina using hyperspectral fluorescence microscopy journal March 2016
Development of a roadmap for advanced ceramics: 2010–2025 journal June 2009
Measurement of thermal residual stresses in ZrB2–SiC composites journal August 2011
Determination of residual stress distributions in polycrystalline alumina using fluorescence microscopy journal October 2016
MOOSE: A parallel computational framework for coupled systems of nonlinear equations journal October 2009
Elastic constants of corundum up to 1825 K journal January 1989
Resolving stress tensor components in space from polarized Raman spectra: polycrystalline alumina journal January 2015
Nondestructive evaluation of the oxidation stresses through thermal barrier coatings using Cr 3+ piezospectroscopy journal December 1996
Model line‐shape analysis for the ruby R lines used for pressure measurement journal January 1985
OOF: an image-based finite-element analysis of material microstructures journal January 2001
Linear Thermal Expansion of Aluminum Oxide and Thorium Oxide from 100o to 1100oK journal July 1962
Crack-Growth Resistance of Microcracking Brittle Materials journal April 1984
Crack-Interface Grain Bridging as a Fracture Resistance I, Mechanism in Ceramics: I, Experimental Study on Alumina journal April 1987
Sigmoidal Indentation-Strength Characteristics of Polycrystalline Alumina journal February 1994
Internal Stresses and the Martensite Start Temperature in Alumina-Zirconia Composites: Effects of Composition and Microstructure journal February 1995
Residual-Stress Predictions in Polycrystalline Alumina journal December 2001
Effects of Moisture on Grain-Boundary Strength, Fracture, and Fatigue Properties of Alumina: Effects of Moisture on Properties of Alumina journal May 2005
Grain Boundary Strengthening in Alumina by Rare Earth Impurities journal January 2006
Modelling Microstructures with OOF2 journal January 2009

Cited By (3)

Full stress tensor measurement using fluorescence spectroscopy journal April 2019
Stress Measurements in Alumina by Optical Fluorescence: Revisited journal January 2018
Stress Measurements in Alumina by Optical Fluorescence: Revisited journal January 2019

Similar Records

Microstructural Modeling of Brittle Materials for Enhanced Performance and Reliability.
Technical Report · Tue Aug 01 00:00:00 EDT 2017 · OSTI ID:1377754

Quantitative stress mapping in alumina composites by optical fluorescence imaging
Journal Article · Wed Jan 31 23:00:00 EST 1996 · Acta Materialia · OSTI ID:201076

Flaw-tolerance and crack-resistance properties of alumina-aluminum titanate composites with tailored microstructures
Journal Article · Wed Sep 01 00:00:00 EDT 1993 · Journal of the American Ceramic Society; (United States) · OSTI ID:5906192