metallostatic pressure

metallostatic pressure

[mə¦tal·ə‚stad·ik ′presh·ər]
(metallurgy)
Pressure developed within a volume of molten metal.
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If gas pressure at the mold/metal interface is higher than metallostatic pressure, gas can push into the liquid metal to create blow defects.
This difference can be explained in part by the fact that the vertical unidirectional solidification, a displacement of the sidewall, so that due to gravity and the metallostatic pressure, the solidified layer touches the surface of the copper mold cooled (chill), increasing the contact and thereby reducing the resistance to heat flow increases the heat transfer coefficient.
Topics covered include turbulence, solidification, shrinkage, metallostatic pressure effects, gating and riser system design and calculations, mold-wall movement and computer modeling, pouring times, and placement and feeding distance of risers.
Topics covered in this two-day lecture course include turbulence, solidification, shrinkage, metallostatic pressure effects, gating and riser system design and calculations, mold-wall movement and computer modeling, pouring times, and placement and feeding distance of risers.
Metallostatic pressure from risers during solidification will help keep oxide inclusions compact, not allowing for an unfolding and stretching of these minute cracks.
Because the amount of liquid metal in the downsprue varies during the pour, the metallostatic pressure on the rest of the metal flowing downstream also varies.
Problems with the sand casting process arise from variation, which can stem from grain size, grain shape, chemical composition, additives and metallostatic pressure.
This four-day, hands-on laboratory course will include turbulence, solidification, shrinkage, metallostatic pressure effects, gating and riser system design and calculations, mold-wall movement and computer modeling, pouring times, and placement and feeding distance of risers.
Course topics include metal flow, turbulence, solidification, heat transfer, shrinkage, metallostatic pressure effects, gating system and riser design, mold-wall movement and computer modeling, riser size and gating system calculations, pouring times, and placement and feeding distance of risers.
Effect of Foam Quality and Metallostatic Pressure on the Mode of Filling in A356 LFCs (08-046)
Priming Issues--To prevent the filter from freezing off in in-line applications before steady state flow begins, the first metal reaching the filter must remain well above the liquidus temperature until sufficient metallostatic pressure overcomes the resistance to initial flow through the filter (Fig.

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