Search Results - "Zavattieri, P."

On the mechanics of mother-of-pearl: A key feature in the material hierarchical structure by Barthelat, F., Tang, H., Zavattieri, P.D., Li, C.-M., Espinosa, H.D.

“…Mother-of-pearl, also known as nacre, is the iridescent material which forms the inner layer of seashells from gastropods and bivalves. It is mostly made of…”
Get full text

Bio-inspired impact-resistant composites by Grunenfelder, L.K., Suksangpanya, N., Salinas, C., Milliron, G., Yaraghi, N., Herrera, S., Evans-Lutterodt, K., Nutt, S.R., Zavattieri, P., Kisailus, D.

“…Through evolutionary processes, biological composites have been optimized to fulfil specific functions. This optimization is exemplified in the mineralized…”
Get full text

Use of a cohesive-zone model to analyze the fracture of a fiber-reinforced polymer–matrix composite by Li, S., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…A cohesive-zone model for a fiber-reinforced polymer–matrix composite is presented. A two-parameter model with a characteristic toughness and a characteristic…”
Get full text

Spatio-temporal characteristics of the Portevin–Le Châtelier effect in austenitic steel with twinning induced plasticity by Zavattieri, P.D., Savic, V., Hector, L.G., Fekete, J.R., Tong, W., Xuan, Y.

“…An experimental investigation of spatio-temporal characteristics of the Portevin–Le Châtelier (PLC) effect in austenitic steel with twinning induced plasticity…”
Get full text

Mixed-mode cohesive-zone models for fracture of an adhesively bonded polymer–matrix composite by Li, S., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…As a direct extension of previous mode-I work on the adhesion of composite joints, this paper uses a cohesive-zone approach to model the mixed-mode fracture of…”
Get full text

Use of mode-I cohesive-zone models to describe the fracture of an adhesively-bonded polymer-matrix composite by Li, S., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…In this paper, the use of a cohesive-zone approach to model the mode-I fracture of adhesive joints made from a polymer-matrix composite is demonstrated…”
Get full text

Grain level analysis of crack initiation and propagation in brittle materials by Zavattieri, P.D, Espinosa, H.D

“…A study on the accuracy of cohesive models for capturing dynamic fragmentation of ceramic microstructures is presented. The investigation consists of a…”
Get full text

Tips and tricks for characterizing shape memory wire part 5: Full-field strain measurement by digital image correlation by Reedlunn, B., Daly, S., Hector, L., Zavattieri, P., Shaw, J.

“…This is the fifth paper in a series on the experimental characterization of shape memory alloy (SMA) wires. In this installment we focus on the use of digital…”
Get full text

Ductile–brittle transitions in the fracture of plastically-deforming, adhesively-bonded structures. Part I: Experimental studies by Sun, C., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…Rate effects for adhesively-bonded joints in steel sheets failing by mode-I fracture and plastic deformation were examined. Three types of test geometries were…”
Get full text

A computational model of ceramic microstructures subjected to multi-axial dynamic loading by Zavattieri, P.D., Raghuram, P.V., Espinosa, H.D.

“…A model is presented for the dynamic finite element analysis of ceramic microstructures subjected to multi-axial dynamic loading. This model solves an…”
Get full text

Ductile–brittle transitions in the fracture of plastically deforming, adhesively bonded structures. Part II: Numerical studies by Sun, C., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…To enable the effective and reliable use of structural adhesive bonding in automotive applications, the cohesive properties of a joint need to be determined…”
Get full text

Mode I Fracture at Spot Welds in Dual-Phase Steel: An Application of Reverse Digital Image Correlation by Tao, H., Zavattieri, P. D., Hector, L. G., Tong, W.

“…Strain fields in 600 grade dual-phase steel V-notch tensile specimens, both with and without a spot weld, were measured after mode I fracture initiation…”
Get full text

Rate effects for mixed-mode fracture of plastically-deforming, adhesively-bonded structures by Sun, C., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…Mixed-mode fracture of an adhesively-bonded structure made from a commercial adhesive and a dual-phase steel has been studied under different rates. Since…”
Get full text

Rate effects in mode-II fracture of plastically deforming, adhesively bonded structures by Sun, C., Thouless, M. D., Waas, A. M., Schroeder, J. A., Zavattieri, P. D.

“…Results from a combined experimental and numerical investigation into the effects of rate on mode-II fracture of a plastically deforming, adhesively bonded…”
Get full text

A grain level model for the study of failure initiation and evolution in polycrystalline brittle materials. Part I: Theory and numerical implementation by Espinosa, Horacio D., Zavattieri, Pablo D.

“…A model is presented to analyze material microstructures subjected to quasi-static and dynamic loading. A representative volume element (RVE) composed of a set…”
Get full text

Competing failure mechanisms in mixed-mode fracture of an adhesively bonded polymer-matrix composite by Li, S., Thouless, M.D., Waas, A.M., Schroeder, J.A., Zavattieri, P.D.

“…In this paper, the use of cohesive-zone models to analyze crack-path selection in adhesive joints made from a polymer-matrix composite is demonstrated…”
Get full text

An examination of the competition between bulk behavior and interfacial behavior of ceramics subjected to dynamic pressure–shear loading by Zavattieri, P.D, Espinosa, H.D

“…A grain level micromechanical analysis of ceramic microstructures subjected to dynamic compression–shear loading conditions is presented. The investigation…”
Get full text

Hybrid experimental and computational studies: combined compression-bending fracture of edge-cracked polypropylene specimens by YAN, J., SUTTON, M.A., WEI, Z., DENG, X., ZAVATTIERI, P.

“…ABSTRACT A four‐camera system is employed to measure three‐dimensional (3D) displacements on both the front and back surfaces of a single‐edge‐notched…”
Get full text

A grain level model for the study of failure initiation and evolution in polycrystalline brittle materials. Part II: Numerical examples by Espinosa, Horacio D, Zavattieri, Pablo D

“…Numerical aspects of the grain level micromechanical model presented in part I are discussed in this study. They include, an examination of solution…”
Get full text

A numerical investigation of penetration in multilayered material/structure systems by Espinosa, H.D., Dwivedi, S., Zavattieri, P.D., Yuan, G.

“…The response of multilayered ceramic/steel targets to high velocity impact and penetration has been investigated through finite element simulations. A…”
Get full text