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Proceedings Papers

Subsonic and Intersonic Failure of Composites: High-Speed Optical and Thermographic Measurements and Numerical Simulations

A. J. Rosakis, D. Coker, C. Yu, M. Ortiz
Proc. ASME. IMECE2000, Dynamic Failure in Composite Materials and Structures, 49-65, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1958
https://doi.org/10.1115/IMECE2000-1958
View Paper titled, Subsonic and Intersonic Failure of Composites: High-Speed Optical and Thermographic Measurements and Numerical Simulations
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Topics: Composite materials, Computer simulation, Failure, Fracture (Materials), Shear (Mechanics), Epoxy adhesives, Epoxy resins, Graphite, Plates (structures), Shear waves
Journal Articles

Characterization of New Nonstoichiometric Ferroelectric (Li 0.95 Cu 0.15 )Ta 0.76 Nb 0.19 O 3 and Comparative Study With (Li 0.95 Cu 0.15 )Ta 0.57 Nb 0.38 O 3 as Photocatalysts in Microbial Fuel Cells

S. Louki, N. Touach, A. Benzaouak, V. M. Ortiz-Martínez, M. J. Salar-García, F. J. Hernández-Fernández, A. P. de los Ríos, M. El Mahi, E. M. Lotfi
Journal: Journal of Electrochemical Energy Conversion and Storage
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. May 2019, 16(2): 021009.
Paper No: JEECS-18-1099
https://doi.org/10.1115/1.4041982
Published Online: December 12, 2018
View Article titled, Characterization of New Nonstoichiometric Ferroelectric (Li 0.95 Cu 0.15 )Ta 0.76 Nb 0.19 O 3 and Comparative Study With (Li 0.95 Cu 0.15 )Ta 0.57 Nb 0.38 O 3 as Photocatalysts in Microbial Fuel Cells
Open the PDF for Characterization of New Nonstoichiometric Ferroelectric (Li 0.95 Cu 0.15 )Ta 0.76 Nb 0.19 O 3 and Comparative Study With (Li 0.95 Cu 0.15 )Ta 0.57 Nb 0.38 O 3 as Photocatalysts in Microbial Fuel Cells in another window
Topics: Fuel cells, Power density, Wastewater treatment, X-rays, Electric power generation, Polarization (Electricity), Polarization (Light), Polarization (Waves), Absorption, Temperature
Journal Articles

Scaling Laws in the Ductile Fracture of Metallic Crystals

M. I. Baskes, M. Ortiz
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2015, 82(7): 071003.
Paper No: JAM-15-1002
https://doi.org/10.1115/1.4030329
Published Online: July 1, 2015
View Article titled, Scaling Laws in the Ductile Fracture of Metallic Crystals
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Topics: Crystals, Displacement, Ductile fracture, Fracture (Materials), Plasticity, Scaling laws (Mathematical physics), Slabs, Strain gradient, Deformation, Atoms
Journal Articles

Optimal Uncertainty Quantification: Distributional Robustness Versus Bayesian Brittleness

T. J. Sullivan, M. McKerns, M. Ortiz, H. Owhadi, C. Scovel
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Frontiers Abstracts
J. Med. Devices. December 2013, 7(4): 040920.
Paper No: MED-13-1238
https://doi.org/10.1115/1.4025786
Published Online: December 5, 2013
View Article titled, Optimal Uncertainty Quantification: Distributional Robustness Versus Bayesian Brittleness
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Topics: Brittleness, Robustness, Uncertainty quantification
Journal Articles

Dynamic Reduced Electrothermal Model for Integrated Power Electronics Modules (IPEM)

M. Herna´ndez-Mora, J. E. Gonza´lez, M. Ve´lez-Reyes, J. M. Ortiz-Rodrı´guez, Y. Pang, E. Scott
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research Papers
J. Electron. Packag. December 2004, 126(4): 477–490.
https://doi.org/10.1115/1.1827264
Published Online: January 24, 2005
View Article titled, Dynamic Reduced Electrothermal Model for Integrated Power Electronics Modules (IPEM)
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Topics: Capacitance, Electronics, Heat transfer, Simulation, Temperature, Thermal analysis, Transients (Dynamics), Computer software, Heat, Design
Journal Articles

Plastic Yielding as a Phase Transition

M. Ortiz
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. June 1999, 66(2): 289–298.
https://doi.org/10.1115/1.2791048
Published Online: October 25, 1999
View Article titled, Plastic Yielding as a Phase Transition
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Topics: Phase transitions, Dislocations, Temperature, Ising model, Particle spin, Rotation, Shear stress, Spin (Aerodynamics), Yield point, Hardening
Journal Articles

A Finite Element Study of Electromagnetic Riveting

E. A. Repetto, R. Radovitzky, M. Ortiz, R. C. Lundquist, D. R. Sandstrom
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 1999, 121(1): 61–68.
https://doi.org/10.1115/1.2830576
Published Online: February 1, 1999
View Article titled, A Finite Element Study of Electromagnetic Riveting
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Topics: Finite element analysis, Riveting, Deformation, Rivets, Aerospace industry, Aluminum, Design, Finite element methods, Heating, Joining
Journal Articles

The Influence of Grain Size on the Toughness of Monolithic Ceramics

A. F. Bower, M. Ortiz
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 1993, 115(3): 228–236.
https://doi.org/10.1115/1.2904212
Published Online: July 1, 1993
View Article titled, The Influence of Grain Size on the Toughness of Monolithic Ceramics
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Topics: Ceramics, Fracture toughness, Grain size, Fracture (Materials), Cantilever beams, Density, Dimensions, Energy dissipation, Geometry, Microcracks
Journal Articles

An Analysis of Crack Trapping by Residual Stresses in Brittle Solids

A. F. Bower, M. Ortiz
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1993, 60(1): 175–182.
https://doi.org/10.1115/1.2900742
Published Online: March 1, 1993
View Article titled, An Analysis of Crack Trapping by Residual Stresses in Brittle Solids
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Topics: Brittleness, Fracture (Materials), Residual stresses, Solids, Stress, Fracture toughness, Particulate matter, Compression, Ceramics, Grain size
Journal Articles

Statistical Properties of Residual Stresses and Intergranular Fracture in Ceramic Materials

M. Ortiz, S. Suresh
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1993, 60(1): 77–84.
https://doi.org/10.1115/1.2900782
Published Online: March 1, 1993
View Article titled, Statistical Properties of Residual Stresses and Intergranular Fracture in Ceramic Materials
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Topics: Ceramics, Fracture (Materials), Fracture (Process), Residual stresses, Anisotropy, Stress, Temperature, Thermal expansion, Brittleness, Computation
Journal Articles

Effect of Strain Hardening and Rate Sensitivity on the Dynamic Growth of a Void in a Plastic Material

M. Ortiz, A. Molinari
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1992, 59(1): 48–53.
https://doi.org/10.1115/1.2899463
Published Online: March 1, 1992
View Article titled, Effect of Strain Hardening and Rate Sensitivity on the Dynamic Growth of a Void in a Plastic Material
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Topics: Plastics, Work hardening, Deformation, Hydrostatics, Inertia (Mechanics), Tension
Journal Articles

Influence of Cracking Direction on Interfacial Fracture in Bicrystals With Symmetric Tilt Boundary

R. Mohan, M. Ortiz, C. F. Shih
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1992, 59(1): 84–91.
https://doi.org/10.1115/1.2899469
Published Online: March 1, 1992
View Article titled, Influence of Cracking Direction on Interfacial Fracture in Bicrystals With Symmetric Tilt Boundary
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Topics: Fracture (Process), Fracture (Materials), Brittleness, Crystals, Copper, Deformation, Plasticity, Stress
Journal Articles

Maximal Crack Tip Shielding by Microcracking

M. Ortiz, A. E. Giannakopoulos
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 1989, 56(2): 279–283.
https://doi.org/10.1115/1.3176079
Published Online: June 1, 1989
View Article titled, Maximal Crack Tip Shielding by Microcracking
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Topics: Anisotropy, Damage, Fracture (Materials), Microcracks, Tension
Journal Articles

Thermal Barrier Coating Life Prediction Model Development

T. A. Cruse, S. E. Stewart, M. Ortiz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1988, 110(4): 610–616.
https://doi.org/10.1115/1.3240179
Published Online: October 1, 1988
View Article titled, Thermal Barrier Coating Life Prediction Model Development
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Topics: Model development, Thermal barrier coatings, Damage, Algorithms, Ceramics, Oxidation, Spallation (Nuclear physics), Coating processes, Coatings, Ceramic coatings
Journal Articles

A Continuum Theory of Crack Shielding in Ceramics

M. Ortiz
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 1987, 54(1): 54–58.
https://doi.org/10.1115/1.3172994
Published Online: March 1, 1987
View Article titled, A Continuum Theory of Crack Shielding in Ceramics
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Topics: Ceramics, Fracture (Materials), Stress, Constitutive equations, Damage, Displacement