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What is an aluminium gallium arsenide?
Aluminium gallium arsenide (AlGaAs) is a semiconductor compound made of aluminium, gallium, and arsenic. It is commonly used in electronic and optoelectronic devices, such as lasers and solar cells, due to its unique properties like bandgap tunability and high electron mobility. AlGaAs is often used in applications that require precise control over the properties of the material for enhanced performance.
Why is aluminium usually mixed with other metals before it is used?
There are many different answers but some of the most common ones are:Aluminium is very expensive when being extractedAluminium on it's own is a soft metal, but it makes hard alloys. these can be used for planes, electricity cables, window frames, etc.
What is an aluminium silicate?
Aluminium silicate is a mineral compound made up of aluminum, silicon, and oxygen. It is commonly found in nature as clays, such as kaolinite, and is widely used in various industries including ceramics, construction, and pharmaceuticals.
Why is aluminium can be used outdoors even though it is quiet high in the reactivity series?
Aluminium forms a thin, protective oxide layer on its surface when exposed to oxygen, which helps prevent further corrosion. This oxide layer makes aluminium highly resistant to corrosion, allowing it to be used outdoors even though it is high in the reactivity series.
What happens when aluminium reacts with iron oxide and where is this reaction used?
When aluminium reacts with iron oxide, a thermite reaction occurs, producing aluminum oxide, iron, and a large amount of heat. This reaction is used in welding and metal cutting applications due to the intense heat generated.
Why do they make window frames from aluminium and not steel?
Window frames used to be made from steel but aluminium is lighter and does not rust.
What aluminium is used to make bicycle frames?
Both 6000- and 7000-series alloys can be used for bike frames.
What is alumnium used for?
Aluminium is used for many things from aluminium foil (silver foil) used for car parts and window frames and much more......
What is a light metal used in some saucepans and window frames?
Aluminium.
What are the disadvantages of aluminium bike frames compared to other materials?
Aluminium bike frames are generally lighter and less expensive than other materials, but they can be less comfortable due to their stiffness and can be prone to corrosion. Additionally, aluminium frames may not provide as smooth of a ride as frames made from materials like carbon fiber or titanium.
What are bmx frames made of?
Usually Cr-Mo, Chrome-Molybdenium steel. But aluminium and even Titanium can/have been used.
What are the 2 most common materials used to make bike frames?
Aluminium and steel Alloys are the most common bicycle materials.
What element make up window frames?
Wood, treated and plastic (PVC) coated wood, aluminium and aluminium alloys, polyvinylchloride.
What metal is most likely to be used to make bicycle frames?
Overall, steel is the most common. Followed by aluminium for slightly more expensive bicycles.
What is aluminum used for based on it's reactivity?
Aluminium is highly reactive and if any comes into contact with air it quickly forms aluminium oxide. This means that aluminium is always covered in aluminium oxide, insulating it from the environment. Even when scratched the aluminium reforms the hermetic seal. Hence aluminium's uses are for situations where a metal that does not rust is required but using painted iron is not practical. This includes window-frames and aeroplane fuselages.
What is a depth micrometer used for?
A "depth gauge micrometer" is used by engineers. A depth gauge micrometer is a precision instrument used to measure various depths of different items.
What is the use micrometer?
A micrometer is used to measure very small distances.
