Frictional behaviour of CaCO3 powder compacts

Berg, Sven; Marklund, Pär; Häggblad, Hans‐Åke; Jonsén, Pär

doi:10.1016/j.powtec.2012.06.005

Cited by 2 publications

(2 citation statements)

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“…The inverse modelling described in the previous section gave a friction coefficient of μ = 0.255. This is a reasonable value, compared to data from the literature [36] and previous experiments by Berg et al [37]. The measured friction coefficients for powder sprinkled samples are shown in Figure 13.…”

Section: Simulation Results and Discussionsupporting

confidence: 87%

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High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus

Berg

Jonsén

Häggblad

et al. 2012

High Pressure Research

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For investigating high pressure sintering processes, numerical models can be used. This will demand material models which give realistic mechanical response throughout the whole parameter space of the actual process. As the pressures become higher, the material density approaches its full theoretical value and the elastic part of the material properties becomes increasingly important. In this investigation, Poisson's ratio was determined using ultrasonic pulse-echo measurements. A new elastic model and an improved plasticity model were implemented into a user-defined material subroutine in a finite element (FE) code. To experimentally investigate the load displacement response and pressure distribution in powder compacts during pressing, a pressure instrumented Bridgman anvil apparatus was used. Validation of the FE model was conducted against experimental data from pressing experiments using two different start densities. The results show that the simulation model is indeed capable of reproducing load-thickness curves and pressure profiles reasonable close to the experimental curves.

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Section: Simulation Results and Discussionsupporting

confidence: 87%

“…The coefficient of friction may also be lower at start-up as shown by Berg et al [37]. Furthermore, the pressure distribution for the low-density disc is more consistent to the experimental values compared with the high-density disc except for the experimental point at 5 mm.…”

Section: Discussionsupporting

confidence: 78%

High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus

Berg

Jonsén

Häggblad

et al. 2012

High Pressure Research

Self Cite

View full text Add to dashboard Cite

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Mechanical characteristics of die-wall friction on the compaction process of metal nano-powders

Khoei,

Sameti,

Kazempour

et al. 2024

Powder Technology

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Frictional behaviour of CaCO3 powder compacts

Cited by 2 publications

References 19 publications

High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus

High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus

Mechanical characteristics of die-wall friction on the compaction process of metal nano-powders

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Frictional behaviour of CaCO3 powder compacts

Cited by 2 publications

References 19 publications

High pressure characterization and modelling of CaCO3powder mix in the Bridgman anvil apparatus

High pressure characterization and modelling of CaCO3powder mix in the Bridgman anvil apparatus

Mechanical characteristics of die-wall friction on the compaction process of metal nano-powders

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Product

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High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus

High pressure characterization and modelling of CaCO₃powder mix in the Bridgman anvil apparatus