Solidifying Under Pressure for Improved Properties

Solidifying Under Pressure for Improved Properties

Decreased pouring temperature and increased pressure during solidification also resulted in improved ultimate tensile strength (UTS) and elongation (Fig. 4 and 5).Based on porosity reduction alone, it would be expected the castings poured at 1,400F would show a greater improvement in properties, as...

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Veröffentlicht in:Modern Casting 2011-03, Vol.101 (3), p.29-32
Hauptverfasser: Ghanti, Santosh, Druschitz, Edward, Druschitz, Alan, Griffin, John
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Aluminum alloys
Casting
Cooling
Correlation
Elongation
Mechanical properties
Porosity
Pouring
Pressure
Pressure casting
Pressure vessels
Quality control
R&D
Reduction
Research & development
Solidification
Tensile strength
Ultimate tensile strength
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Zusammenfassung:Decreased pouring temperature and increased pressure during solidification also resulted in improved ultimate tensile strength (UTS) and elongation (Fig. 4 and 5).Based on porosity reduction alone, it would be expected the castings poured at 1,400F would show a greater improvement in properties, as the change in the amount of porosity was greater when solidified under pressure, but this was not the case. Increased elongation typically correlates with increased ultimate tensile strength.
ISSN:0026-7562
2376-4430