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- W2043887375 abstract "Compaction of metal powders into billets for sintering is commonly accomplished by die pressing or isostatic pressing. The present paper describes the consolidation dynamics of tungsten powder during cold isostatic pressing. Tungsten powder was consolidated using pressures from 14–211 MPa at pressurization rates between 2 and 10 MPa/s. Elastic relaxation of tungsten compacts during decompression after pressing is an important phenomenon since it is a common cause of defects in pressed compacts. The increase in elastic relaxation during decompression of compacts pressed at pressures from 14 to 211 MPa is also described. The elastic relaxation increased from 0·13% at 14 MPa to 0·55% at 211 MPa. Some heating of the compact occurs during isostatic compaction due to friction between the powder particles, leading to a temperature increase of ≈ 10°C in the compact. The effect of pressurization rate on the heat generated is also described." @default.
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- W2043887375 date "1992-01-01" @default.
- W2043887375 modified "2023-09-27" @default.
- W2043887375 title "Consolidation dynamics of tungsten powder during dry bag cold isostatic pressing" @default.
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- W2043887375 doi "https://doi.org/10.1016/0263-4368(92)90059-b" @default.
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