modeling of ceramic microgrinding by cohesive based

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2021-8-25 · Cyclic plasticity modeling of nickel-based superalloy Inconel 718 under multi-axial thermo-mechanical fatigue loading conditions. International Journal of Fatigue 119 (2019) 89-101 [8] Zhengmao Yang, Huang Yuan*, Hui Liu: Evolution and characterization of cyclic thermal shock-induced thermomechanical damage in oxide/oxide ceramics matrix composites.

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2020-12-25 · Modelling and optimisation of surface roughness from microgrinding of nickel-based single crystal superalloy using the response surface methodology and genetic algorithm[J]. The International Journal of Advanced Manufacturing Technology, 2016, 85(9): 2607-2622.

MICROGRINDING OF CERAMIC MATERIALS by Jie Feng

2021-7-30 · 5.1.1 Force Modeling and Prediction in Microgrinding of Ceramic Materials by Cohesive Zone Based Finite Element Method ..... 113 5.1.2 Numerical Modeling of Surface Generation in Microgrinding of Ceramic

Constitutive modeling of indentation cracking in fused ...

2017-2-22 · JACerS is a leading source for top-quality basic science research and modeling spanning the diverse field of ceramic and glass materials science. Abstract Fused silica shows three distinct regimes during nanoindentation, that …

Micromechanical modeling of cohesive thermoelastic …

2018-11-16 · Micromechanical modeling of cohesive thermoelastic steady-state and transient cracking in polycrystalline materials. G. Geraci, Corresponding Author. ... The model is based on a multiregion boundary element approach combined with the dual boundary element formulation. Polycrystalline microstructures are created through a Voronoi tessellation ...

Modeling of Ceramic Microgrinding by Cohesive Zone …

2010-9-20 · This study investigates modeling of microgrinding of ceramic materials by cohesive zone method (CZM) and Finite element analysis (FEA). A maximum grinding chip thickness model, which considers detail diamond profile and tool deflection, is developed in this study.

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2019-7-24 · 1. H. Long, L.H. Liang*, Y. Wei, "Failure characterization of solids structures based on an equivalance of cohesive zone model", International Journal of Solids and Structures, 163 (2019)194. 2. L.H. Liang, et al., "Size-dependent damage and fracture of two-layer

Prediction of grinding force in microgrinding of ceramic ...

Based on detail abrasive cutting edge profile and maximum chip thickness analysis in microgrinding, a CZM-based finite element model is developed to predict grinding force in microgrinding of Alumina.

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2018-3-21 · Modelling and optimisation of surface roughness from microgrinding of nickel-based single crystal superalloy using the response surface methodology and genetic algorithm[J]. The Internatio nal Journal of Advanced Manufacturing Technology, 2016, 85(9): 2607-2622.

Frontiers | Multiscale Modeling of SiCf/SiC Nuclear Fuel ...

2021-2-8 · A generalized multiscale (micro-macro) finite element (FE) model for SiC-fiber reinforced SiC-matrix ceramic (SiCf/SiC) nuclear fuel claddings is established. In the macro level, the solid mesh of braided preform, which can be tailored by machine settings (braid angle, yarn width, and so on), is generated based on the braiding process simulation using the dynamic …

ADVANCES IN MICRO SCALE MODELING OF FAILURE …

2018-3-29 · (Espinosa et al., 1998a). This discrete model is based on a phenomenological framework in which the fracture characteristics of the material are embedded in a cohesive traction-displacement relation. Zavattieri and Espinosa (2001) have also performed grain level analysis applied to the modeling of microcracking of ceramics.

A 3D Cohesive Element Model for Fracture Behavior …

A 3D finite element polycrystalline microstructure model of ceramic tool materials is presented. Quasi-static crack propagation is modeled using the cohesive finite element method (CFEM) and the microstructure is represented by 3D Voronoi tessellation. The influences of cohesive parameters, the ratios of maximum traction of grain boundary to maximum traction of grain on …

(PDF) Prediction of surface generation in microgrinding of ...

[25] J. Feng, B.S. Kim, J. Ni, Modeling of ceramic microgrinding by cohesive zone based finite element method, in: Proceedings of the ASME 2009 …

Prediction of grinding force in microgrinding of ceramic ...

2013-3-23 · This study investigates grinding force prediction in microgrinding of ceramic materials by cohesive zone method (CZM) and finite element analysis (FEA). Based on detail abrasive cutting edge profile and maximum chip thickness analysis in microgrinding, a CZM-based finite element model is developed to predict grinding force in microgrinding of Alumina. The …

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Long, L.H. Liang*, Y. Wei, "Failure characterization of solid structures based on an equivalance of cohesive zone model", International Journal of Solids and Structures, 163 (2019)194. 2. L.H. Liang,et al., "Size-dependent damage and fracture of two-layer systems", Engineering Fracture Mechanics,199 (2018) 635.

Finite Element Investigation of Quasi-Static Crack …

2016-4-20 · (FGMs) using three-dimensional interface-cohesive elements based upon a new phenom-enological cohesive fracture model. The local separation energies and peak tractions for the metal and ceramic constituents govern the cohesive fracture process. The model formulation introduces two cohesive gradation parameters to control the transition of

Prediction of surface generation in microgrinding of ...

2012-9-1 · Based on the derived average cutting edge profile, the CZM based FEA model is developed for individual diamond in microgrinding of ceramic materials, as shown in Fig. 8. The CZM based FEA model is composed of a diamond cutter and a ceramic workpiece.

MODELING OF CERAMIC MICROSTRUCTURES: DYNAMIC …

2018-3-29 · MODELING OF CERAMIC MICROSTRUCTURES: DYNAMIC DAMAGE INITIATION AND EVOLUTION Horatio D. Espinosa and Pablo D. Zavattieri School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN 47907 A model is presented for the dynamic finite element analysis of ceramic microstructures sub-

Microgrinding of Ceramic Materials.

Based on cohesive zone finite element analysis, this study investigates grinding force modeling and prediction in ceramic microgrinding by modeling the actual chip generation process.

Bounds for element size in a variable stiffness cohesive ...

2015-5-12 · Carpinteri et al. [48] recently proposed a fractal cohesive crack model based on a renormalization group approach for predicting the size effect observed in a wide range of experimental data. In this paper, we present a variable stiffness, bilinear cohesive model for analysing fracture processes in multi-phase microstructures under conditions

Modeling and simulation of continuous fiber-reinforced ...

2020-10-13 · Finite element modeling framework based on cohesive damage modeling, constitutive material behavior using user-material subroutines, and extended finite element method (XFEM), are developed for studying the failure behavior of continuous fiber-reinforced ceramic matrix composites (CFCCs) by the example of a silicon carbide

adhesive strength cohesive strength?_

2014-12-5 · adhesive strength,. cohesive strength,,。. adhesive strength,, ...

modeling of ceramic microgrinding by cohesive zone based

A volume fraction based, ... cohesive zone model for ceramic/metal ... Analysis of Energy Balance When Using Cohesive Zone Models … · PDF . ... modeling of ceramic microgrinding by cohesive zone based 9.3 (Total: 10) 1492 Votes 2984 Comments Give e-mail to us. ...

Microgrinding with Diamond Electroplated Tools and with ...

New tools for flat grinding are the subject of the paper. Electroplated diamond tools with different grains - D64 and D107 - were used in a modified single-disc lapping machine configuration. The results from flat grinding, such as the material removal rate (MMR), surface roughness and plane-parallelism are presented in the paper. Apart from ceramic samples, the additional …

[PDF] Cohesive-Shear-Lag Modeling of Interfacial Stress ...

Interfacial shear stress transfer of a monolayer graphene on top of a polymer substrate subjected to uniaxial tension was investigated by a cohesive zone model integrated with a shear-lag model. Strain distribution in the graphene flake was found to behave in three stages in general, bonded, damaged, and debonded, as a result of the interfacial stress transfer.

Simulation of Ceramic Grinding Mechanism Based on …

2020-11-30 · The grinding mechanism is the base of developing new precision machining technology, especially for brittle materials including ceramics. In previous work, many results were gained from single grit cutting model in which a grit is in contact continuously with a workpiece, similar to the indentation or scratching process, to model the material remove in grinding …

Discrete element modeling— A promising method for ...

2020-3-2 · based on distinct models. The most com-mon ones are the contact bond (simple spring) model, the dual spring model, the parallel bond and flat joint models,16 and the recently developed cohesive beam model.9 Figure 2 presents a sche-matic representation of some common bond models. Each bond model is characterized by

[PDF] Finite Element Investigation of Quasi-Static Crack ...

This work studies mode I crack growth in ceramic/metal functionally graded materials (FGMs) using three-dimensional interface-cohesive elements based upon a new phenomenological cohesive fracture model. The local separation energies and peak tractions for the metal and ceramic constituents govern the cohesive fracture process. The model formulation introduces two cohesive …

Microgrinding of Ceramic Materials.

Based on cohesive zone finite element analysis, this study investigates grinding force modeling and prediction in ceramic microgrinding by modeling the actual chip generation process. The chip generation is explicitly simulated based on actual diamond cutting edge profile.

"Materials-Genome-Based Multiscale Modeling of …

A variational form for homogenization is formulated in combination with a cohesive zone model to predict crack formation within ceramics in a computationally efficient manner. The extended finite element method (XFEM) is further embedded in the formulation of the materials-genome-based multiscale modeling.

Prediction of surface generation in microgrinding of ...

This study investigates numerical modeling of surface generation in microgrinding of ceramic materials by coupled trajectory and finite element analysis. The resultant surface generation from both ductile flow mode grinding and fracture mode grinding is modeled in microgrinding …