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Rheocasting Knowledge Quiz
What is Rheocasting?
Semi-Solid casting process by cooling the melt
Semi-Solid casting process by heating solid material
Melt cleaning process with nitrogen gas
Squeeze casting process
What is thixotropic behavior?
Constantly good flow
Rapidly flowing down a slope
Lower viscosity at higher shear forces
Higher viscosity at higher shear forces
What is NOT Rheocasting method?
SEED
GISS
Rheocool
Rheometal
How many Rheocasting methods from 88 active patents are temperature-controlled?
87
5
43
29
What is the temperature difference between a slurry with 10% and one with 40% solid fraction for AlSi7Mg?
0.8 Kelvin
5.6 Kelvin
9.2 Kelvin
12.9 Kelvin
What solid fraction has to be achieved for a laminar fill of the casting?
5%
15%
25%
35%
Why does your iced drink on a sunny day stay cool and a Rheocasting slurry stay hot?
Shear forces
Thixotropic properties
Latent heat
Heating system
What advancement is NOT possible with Rheocasting?
Reduce machine size
Double the yield strength
Improve part quality
Double the tool life time
Which new market can be accessed by retrofitting your existing die-casting machines with Rheocasting? (multiple choice)
Telecom heat sinks
Sand- or die castings
Leak-tight castings
Megacasting
Which element in secondary alloys accounts for the highest carbon footprint in the overall alloy?
Silicon
Magnesium
Iron
Manganese
What is the carbon footprint of the world's most sustainable Rheocasting alloy?
0,47 kg CO2 / kg Al
0,65 kg CO2 / kg Al
0,13 kg CO2 / kg Al
1,04 kg CO2 / kg Al
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