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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
/
2011
/
Article
/
Tab 2
/
Research Article
The Influence of Prior Natural Aging on the Subsequent Artificial Aging Response of Aluminium Alloy A356 with Respective Globular and Dendritic Microstructures
Table 2
The dipping procedure for investment casting of alloy A356.
Coate no.
Slurry
Stucco
Drying time
Drying method
Primary 1
Zircon Primary
Zircon Sand
8 hours
Air dry
Primary 2
Zircon Primary
Zircon Sand
8 hours
Air dry
Secondary 1
Customcote
Chamotte 0.25–0.7 mm
45 Min
Fan
Secondary 2
Customcote
Chamotte 0.25–0.7 mm
45 Min
Fan
Back-up 1
Customcote
Chamotte 0.7–1.2 mm
45 Min
Fan
Back-up 2
Customcote
Chamotte 0.7–1.2 mm
45 Min
Fan
Back-up 3
Customcote
Chamotte 0.7–1.2 mm
45 Min
Fan
Back-up 4
Customcote
Chamotte 0.7–1.2 mm
45 Min
Fan
Seal coate
Customcote
—
24 Hours
Air