Thermo physical properties of wrought aluminum alloys 6061, 2219 and 2014 by gamma ray attenuation method

Narender, K.; Rao, A. S. Madhusudhan; Rao, K. Gopal Kishan; Krishna, N. Gopi

doi:10.1016/j.tca.2013.07.003

Cited by 17 publications

(6 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Aluminum 6061 rectangular blanks were used to verify the procedure. The density of aluminum 6061 is 2.72 g cm -3 (Narender et al 2013). The estimated density of aluminum based on 10 samples with a 95-percent confidence interval was 2.72 ± 0.008 g cm -3 , indicating the validity of this approach to estimate density.…”

Section: Fuel Element Property Modelsmentioning

confidence: 77%

Physical characteristics of shrub and conifer fuels for fire behavior models

Gallacher¹,

Fletcher²,

Lansinger³

et al. 2017

View full text Add to dashboard Cite

Section: Fuel Element Property Modelsmentioning

confidence: 77%

Physical characteristics of shrub and conifer fuels for fire behavior models

Gallacher¹,

Fletcher²,

Lansinger³

et al. 2017

View full text Add to dashboard Cite

“…where ∂T/∂ The surface tension of the gas-liquid interface is adopted using the continuum surface force (CSF) model [38] and calculated according to the following equation [39].…”

Section: Momentum Thermal Energymentioning

confidence: 99%

“…Thermo-physical properties of AA2219 [17]. For AA2219, the temperature dependence of density is represented by the following linear equation [39]:…”

Section: Properties Of Aa2219mentioning

confidence: 99%

Prediction of the Weld Pool Stability by Material Flow Behavior of the Perforated Weld Pool

et al. 2020

View full text Add to dashboard Cite

This article presents the application of a computational fluid dynamics (CFD) finite volume method (FVM) model for a thermo-mechanical coupling simulation of the weld pool used in variable polarity plasma arc welding (VPPAW). Based on the mechanism of the additional pressure produced through self-magnetic arc compression and the jet generated from mechanical plasma arc compression, and considering the influence of arc height and keyhole secondary compression on arc pressure, a three-dimensional transient model of variable polarity plasma arc (VPPA) arc pressure was established. The material flow behaviors of the perforated weld pools were studied. The results show that three kinds of flow behavior existed in the perforation weld pools and it is feasible to predict the weld pool stability by the material flow behaviors of the perforated weld pools. The weld pools can exist stably if the material flow in the bottom of the perforated weld pools can form confluences with moderate flow velocities of 0.45 m/s, 0.55 m/s and 0.60 m/s. The weld pools were cut when the material flowed downward and outward with the maximum velocity of 0.70 m/s, 0.80 m/s. When the maximum material flow velocity was 0.40 m/s, the weld pool collapsed downward under the action of larger gravity. The thermo-mechanical coupling model was verified by the comparison of the simulation and experimental results.

show abstract

“…In general the thermal expansion characteristics decide the choice of material for the construction of metrological instruments and the choice of container material in nuclear fuel technology. A number of methods have evolved for the determination of density and thermal expansion of solids at high temperature like Archimedean method [1][2][3], pycnometry [4][5][6][7][8], dilatometry [9][10][11][12], electromagnetic levitation [13], method of maximal pressure in gas bubble [14][15][16][17][18], method of sessile drop [19], hydrostatic weighing [20,21], high temperature electrostatic levitation [22], and gamma ray densitometry [23][24][25][26][27][28][29][30][31][32][33][34]. Using -ray attenuation technique Drotning [23] measured thermal expansion of solid materials at high temperatures.…”

Section: Introductionmentioning

confidence: 99%

“…In the present communication, we report the temperature dependence of linear attenuation coefficient for different energies of -beam [Am (0.0595 MeV), Cs (0.66 MeV), Co (1.173 MeV and 1.332 MeV)], density, and thermal expansion of CaO and MgO in the temperature range 300 K-1250 K. In order to carry out this work, we have fabricated in our laboratory a -ray densitometer and [29] and alkali halides [30] using the same experimental setup.…”

Section: Introductionmentioning

confidence: 99%

Studies on Thermophysical Properties of CaO and MgO by γ-Ray Attenuation

Rao¹,

Narender

2014

Journal of Thermodynamics

Self Cite

View full text Add to dashboard Cite

The study on temperature dependent -ray attenuation and thermophysical properties of CaO and MgO has been carried out in the temperature range 300 K-1250 K using different energies of -beam, namely, Am (0.0595 MeV), Cs (0.66 MeV), and Co (1.173 MeV and 1.332 MeV) on -ray densitometer fabricated in our laboratory. The linear attenuation coefficients ( ) for the pellets of CaO and MgO as a function of temperature have been determined using -beam of different energies. The coefficients of temperature dependence of density have been reported. The variation of density and linear thermal expansion of CaO and MgO in the temperature range of 300 K-1250 K has been studied and compared with the results available in the literature. The temperature dependence of linear attenuation coefficients, density, and thermal expansion has been represented by second degree polynomial. Volume thermal expansion coefficients have been reported.

show abstract

Thermo physical properties of wrought aluminum alloys 6061, 2219 and 2014 by gamma ray attenuation method

Cited by 17 publications

References 17 publications

Physical characteristics of shrub and conifer fuels for fire behavior models

Physical characteristics of shrub and conifer fuels for fire behavior models

Prediction of the Weld Pool Stability by Material Flow Behavior of the Perforated Weld Pool

Studies on Thermophysical Properties of CaO and MgO by γ-Ray Attenuation

Contact Info

Product

Resources

About