Study of Nonlinear Deformation of FCC‐AuCuSi under Pressure by the Statistical Moment Method

Học, Nguyễn Quang; Tinh, Bui Duc; Nguyen, Hien; Coman, Gelu

doi:10.1155/2021/6693326

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…530,546 Cu, Mn, Ni, Pd, and Pt were also studied by Hieu et al 465 by the statistical moment technique (see section 8.1) in combination with the Lindemann rule, the latter three metals also with defect-containing structures. 541,542 Like for Kr, the results for the metals mentioned up to 100 GPa are in reasonable agreement with available experimental data.…”

Section: Equation Of Statesupporting

confidence: 87%

Melting Is Well-Known, but Is It Also Well-Understood?

de With

2023

Chem. Rev.

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Contrary to continuous phase transitions, where renormalization group theory provides a general framework, for discontinuous phase transitions such a framework seems to be absent. Although the thermodynamics of the latter type of transitions is wellknown and requires input from two phases, for melting a variety of one-phase theories and models based on solids has been proposed, as a generally accepted theory for liquids is (yet) missing. Each theory or model deals with a specific mechanism using typically one of the various defects (vacancies, interstitials, dislocations, interstitialcies) present in solids. Furthermore, recognizing that surfaces are often present, one distinguishes between mechanical or bulk melting and thermodynamic or surface-mediated melting. After providing the necessary preliminaries, we discuss both types of melting in relation to the various defects. Thereafter we deal with the effect of pressure on the melting process, followed by a discussion along the line of type of materials. Subsequently, some other aspects and approaches are dealt with. An attempt to put melting in perspective concludes this review.

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Section: Equation Of Statesupporting

confidence: 87%

Melting Is Well-Known, but Is It Also Well-Understood?

de With

2023

Chem. Rev.

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Elastic deformation and elastic wave velocity of iron and its binary interstitial alloys: Temperature, pressure and interstitial atom concentration dependences

Học

Hiền²,

Vy³

2022

Physica B: Condensed Matter

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Determination of Young Modulus and Stress-Strain Curve for Metal Fe and Interstitial Alloy FeC

et al. 2022

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In this research, the numerical calculation for elastic and nonlinear strains of Fe metal and FeC alloy under different pressures has been performed by the statistical moment method SMM with Mie–-Lennard–Jones potential (MLJ) and Embedded-Jones potential Atom Method (EAM). The analysis reveals that an enhancement in the concentration (cC) from 0 to 5% causes a decrement in the Young’s modulus (E) at room temperature (T = 300 K) for FeC. These calculated results are consistent with the experimental results. In addition, the obtained stress-strain curves for Fe are in perfect agreement with the experimental curves. Besides, increasing the cC for a continuous strain decreases the stress, showing that adding C to Fe to form FeC steel will increase strength and hardness, but decrease elasticity and hardness. The results obtained will be very useful not only for experimental studies but also for theoretical studies of metals and their interstitial alloys.

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Study of Nonlinear Deformation of FCC‐AuCuSi under Pressure by the Statistical Moment Method

Cited by 3 publications

References 27 publications

Melting Is Well-Known, but Is It Also Well-Understood?

Melting Is Well-Known, but Is It Also Well-Understood?

Elastic deformation and elastic wave velocity of iron and its binary interstitial alloys: Temperature, pressure and interstitial atom concentration dependences

Determination of Young Modulus and Stress-Strain Curve for Metal Fe and Interstitial Alloy FeC

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