This time we are looking on the crossword puzzle clue for: Dross.
it’s A 5 letters crossword definition.
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Last seen on: –Eugene Sheffer – King Feature Syndicate Crossword – May 13 2022
–Eugene Sheffer – King Feature Syndicate Crossword – Mar 6 2021
–Eugene Sheffer – King Feature Syndicate Crossword – Dec 28 2020
–Eugene Sheffer – King Feature Syndicate Crossword – Feb 28 2020
NY Times Crossword 25 Jan 20, Saturday
Random information on the term “Dross”:
An inclusion is a solid particle in liquid aluminium alloy. It is usually non-metallic and can be of different nature depending on its source.
Inclusions can create problems in the casting when they are large and in too high concentration. Here are examples of problems related to inclusions:
In contact with ambient air, liquid aluminium reacts with the oxygen and form an oxide film layer (gamma-Al2O3). This layer becomes thicker with time. When molten aluminium is disturbed, this oxide film gets mixed inside the melt.
In primary aluminium production, aluminium carbides (Al4C3) originates from the reduction of alumina where carbon anodes and cathodes are in contact with the mix. Later in the process, any carbon tools in contact with the liquid aluminium can react and create carbides.
In aluminium alloys containing magnesium, magnesium oxides (MgO), cuboids (MgAl2O4-cuboid) and metallurgical spinel (MgAl2O4-spinel) can form. They result from the reaction between magnesium and oxygen in the melt. More of them will form with time and temperature.