Investigation of Relations between Atomic Number and Composition Weight Ratio in PZT and SMA and Prediction of Mechanical Behavior

Monfared, Vahid; Khalili, Mohammad

doi:10.12693/aphyspola.120.424

Cited by 6 publications

(3 citation statements)

References 9 publications

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“…For instance, ACAR method was applied to investigate changes in annihilation parameters during deformation (by uniaxial tension) of the ST2 SAL steel samples [11]. Furthermore, the relations between atomic number and composition weight ratio in smart material have been investigated [13]. Important studies on effective atomic numbers have been extensively performed in some materials by many researchers [14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Effect of atomic number and atomic weight on time-dependent inelastic deformation in metals

MONFARED¹,

Daneshmand²,

MONFARED³

2016

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Principal purpose of this research is to study the effect of atomic number and atomic weight on behavior of time-dependent inelastic deformation in metals. For achieving this purpose, analytical and semi-analytical methods are used for analyzing the behavior of the deformations. The elements such as silver, aluminum and nickel are selected for validation of the presented method and obtained results. The effect of other important parameters is investigated for predicting time-dependent behavior of creeping metals. As a result, we can control creep behavior in metals in order to prevent creep rupture. Finally, good agreement is found between presented method and available experimental results.

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Section: Introductionmentioning

confidence: 99%

Effect of atomic number and atomic weight on time-dependent inelastic deformation in metals

MONFARED¹,

Daneshmand²,

MONFARED³

2016

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“…Monfared [7] proposed new analytical formulation for contact stress and prediction of crack propagation path in rolling bodies and comparing with finite element model (FEM) results statically. Prediction of Mechanical Behaviour of PZT and SMA has been studied by Monfared and Khalili [8].…”

Section: Introductionmentioning

confidence: 99%

Determination of Exact Steady State Creep Behavior in Short Fiber Composites by Mapping Transformation Function (MTF) in MMC’s

Monfared¹

2012

MATERIALS

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A novel mathematical model based on mapping function is presented for determination of exact steady state creep behaviour in short fiber metal matrix composites 6061Al/15%SiC (MMC's) subjected to axial loading. FEM and analytical steady state Creep behaviour of 6061Al/15%SiC (MMC's) composites wasn't coinciding to the previous experimental results in Prior researches. In this paper, transformation function is introduced in order to convert previous analytical and FEM results to experimental results correctly. Mapping function method (MFM) is exact approach for transformation of analytical and FEM results to experimental results in MMC's. Also, fiber behaviour is elastic unlike creep behaviour of matrix. In addition mapping transformation function is introduced analytically. Eventually, good agreement is established between the results of new mapping function method (MFM) and previous experimental results for prediction of steady state creep behaviour in short fiber composites (SFC's).

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“…Monfared [7] proposed new analytical formulation for contact stress and prediction of crack propagation path in rolling bodies and comparing with finite element model (FEM) results statically. Prediction of Mechanical Behavior of PZT and SMA have been studied by Monfared and Khalili [8].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Steady State Creep in Short Fiber Composites (SFC) by Polynomial Function (PF) and Boundary Condition Method (BCM)

Monfared¹

2012

MECHANICS

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Two novel mathematical models based on polynomial function (PF) and boundary condition method (BCM) are presented for determination of shear stress in interface in steady state creep in short fiber composites under axial loading. Important novelty of this research is determination of shear stress in interface without using of shear lag and imaginary fiber technique (IFT) theories. In these approaches, determination of shear stress in interface by polynomial function (PF) and boundary condition method (BCM)are easier and more comfortable than the previous analytical methods, . Determination of shear stresses in interface in steady state creep in short fiber composites are very important for design of composites. Analysis of shear stress in interface are used for investigation of failure, fracture and fatigue in short fiber composites in steady state creep. Finally, good agreements are found between these two methods and previous analytical and numerical predictions for behaviour of steady state creep in short fiber composites.

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Investigation of Relations between Atomic Number and Composition Weight Ratio in PZT and SMA and Prediction of Mechanical Behavior

Cited by 6 publications

References 9 publications

Effect of atomic number and atomic weight on time-dependent inelastic deformation in metals

Effect of atomic number and atomic weight on time-dependent inelastic deformation in metals

Determination of Exact Steady State Creep Behavior in Short Fiber Composites by Mapping Transformation Function (MTF) in MMC’s

Analysis of Steady State Creep in Short Fiber Composites (SFC) by Polynomial Function (PF) and Boundary Condition Method (BCM)

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