Untitled

Bakhtiyarov, Sayavur I.; Overfelt, Ruel A.; Teodorescu, Sorin G.

doi:10.1023/a:1017946130966

Cited by 38 publications

(10 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Thermal conductivity data for control materials: 316L stainless steel, Aluminum A356, and air are available in literature as a source of comparison [1]. Tables 8 and 9 summarize effective thermal conductivity values of CMFs and control materials, respectively.…”

Section: Effective Thermal Conductivity Experimental Results and Discmentioning

confidence: 99%

Experimental and computational studies on the thermal behavior and fire retardant properties of composite metal foams

Chen

Marx

Rabiei

2016

International Journal of Thermal Sciences

View full text Add to dashboard Cite

a b s t r a c tA comprehensive experimental and computational evaluation of thermal behavior and fire retardant properties of composite metal foams (CMFs) is reported in this study. Thermal behavior characterizations were carried out through specific heat, effective thermal conductivity, and coefficient of thermal expansion analyses using differential scanning calorimetry, high temperature guarded-comparativelongitudinal heat flow technique, and thermomechanical analyzer (TMA), respectively. The experimental results were compared with analytical results obtained from, respectively, rule of mixture, Brailsford and Major's model, and modified Turner's model for verification. United States Nuclear Regulatory Commission (USNRC) standards were employed as regulatory standards and criteria for fire retardant property study. The results revealed a superior thermal resistance and fire survivability of CMFs compared to 304L stainless steel. A physics-based three-dimensional model accounting for heat conduction was built using Finite Element Analysis to validate the reliability of the experimental results. The model led to a good reproduction of the experimentally measured data when comparing CMF to bulk stainless steel. This research indicates that one of the potential applications of lightweight CMFs can be in nuclear spent fuel casks replacing conventional structural and radiation shielding materials with demonstrated benefits of excellent thermal isolation, fire retardant, light weight and energy absorption capabilities.

show abstract

Section: Effective Thermal Conductivity Experimental Results and Discmentioning

confidence: 99%

Experimental and computational studies on the thermal behavior and fire retardant properties of composite metal foams

Chen

Marx

Rabiei

2016

International Journal of Thermal Sciences

View full text Add to dashboard Cite

show abstract

“…Though the phase transition effect is not that pronounced for metals and alloys, it still has a grave effect on the electrical conductivity. At the solid–liquid phase transition of metals, the electrical conductivity shows a distinct discontinuity or jump, and the conductivity is lowered by a factor of around 1.5–2.3, which is ascribed to the more disordered arrangement of the atoms in the liquid state . Notably, Ga, Bi, and Sb were considered to behave anomalously in this regard .…”

Section: Electrical and Thermal Transport Propertiesmentioning

confidence: 99%

Critical Review on the Physical Properties of Gallium-Based Liquid Metals and Selected Pathways for Their Alteration

2021

View full text Add to dashboard Cite

Gallium-based liquid metals have gained plenty of attention in the scientific community due to their extraordinary properties. The most intriguing properties of liquid metals are high surface tension, density anomaly, high electrical and thermal conductivity, phase transition, and their temperature and low viscosity in combination with their low toxicity. Though there are many reports of the physical properties of gallium-based liquid metals, some of these are highly scattered and inconsistent. Therefore, we compile literature data of these aspects of gallium-based liquid metals, point out general relationships of these physical parameters, and unravel inconsistencies in the literature. Subsequently, we state reasons for the observed scatter and recommend science-based values researchers should employ. Furthermore, we discuss important dependencies between the physical parameters, introduce methods to alter the physical parameters, and introduce selected applications based on changing the physical properties. Finally, we point out open questions concerned with the physical parameters of liquid metals, which should be investigated in the future.

show abstract

“…In both cases, the number of jump attempts was set to 10,000. Thermal conductivity of phases at 293 K (20 • C) was set as 63.9 W/(m•K) for Sn [26] and 246.7 W/(m•K) for Al [27]. Considering the sample production process, gas in pores is air, and its thermal conductivity can be approximated to zero (it is 0.0257 W/(m•K) in Reference [28]).…”

Section: Validation For Three-phase Materialsmentioning

confidence: 99%

Numerical and Experimental Evaluation of Thermal Conductivity: An Application to Al-Sn Alloys

Confalonieri

Gariboldi

2021

Metals

View full text Add to dashboard Cite

Evaluation of thermal conductivity of composite materials is extremely important to control material performance and stability in thermal applications as well as to study transport phenomena. In this paper, numerical simulation of effective thermal conductivity of Al-Sn miscibility gap alloys is validated with experimental results. Lattice Monte-Carlo (LMC) method is applied to two-phase and three-phase materials, allowing to estimate effective thermal conductivity from micrographs and individual phase properties. Numerical results are compared with literature data for cast Al-Sn alloys for the two-phase model and with a specifically produced powder metallurgy Al-10vol%Sn, tested using laser flash analysis, for a three-phase simulation. A good agreement between numerical and experimental data was observed. Moreover, LMC simulations confirmed the effect of phase morphology as well as actual phase composition on thermal conductivity of composite materials.

show abstract

Untitled

Cited by 38 publications

References 8 publications

Experimental and computational studies on the thermal behavior and fire retardant properties of composite metal foams

Experimental and computational studies on the thermal behavior and fire retardant properties of composite metal foams

Critical Review on the Physical Properties of Gallium-Based Liquid Metals and Selected Pathways for Their Alteration

Numerical and Experimental Evaluation of Thermal Conductivity: An Application to Al-Sn Alloys

Contact Info

Product

Resources

About