Table of Contents
Element Materials Technology – Materials technology is the study and practice of analysis techniques, physics studies, and materials development. The self-control of engineering also deals with the industrial processes that provide us with the parts that make up the machines and various objects from raw materials. Material is an element that can be transformed and grouped into the groups of a set. The components of the collection can have a fundamental nature, a virtual nature or be abstract
These properties are revealed by stimuli such as electricity, light, heat or the application of forces to a material. They describe characteristics such as elasticity, electrical or thermal conductivity, magnetism or optical behaviour. It is worth knowing that, generally, they are not altered by other forces acting on the material.
- Mechanical properties are those properties of solids that are manifested when we apply a force. The mechanical properties of materials refer to their ability to resist load actions: the loads or points act momentarily, and they have a shock character. Cyclical or of variable sign: the loads vary by value, by direction or by both simultaneously. The main mechanical properties are hardness, resistance, elasticity, plasticity and resilience, although fatigue and creep could also be considered.
- Cohesion: Resistance of atoms to separate from each other.
- Plasticity: Ability of a material to deform under the action of a load, the deformation remaining when it is removed. That is, it is permanent and irreversible deformation.
- Hardness is the resistance of a body to be scratched by another. The opposite of hard is soft. For example, a diamond is problematic because it is difficult to scratch. It is the ability to resist surface deformation by a harder one.
- Resistance refers to the form that the materials present to withstand the various forces. It is the opposition to the change of paper and separation, that is to say, to destruction by the action of forces or charges.
- Ductility: refers to the property of materials to deform without breaking or obtaining threads.
- Malleability: refers to the property of materials to deform without breaking or obtaining sheets.
- Elasticity: refers to the property of materials to return to their initial state when a force is applied to them. For example, the deformation received by the action of a point or load is not permanent, returning the material to its innovative shape when the load is removed
Elements For Technology
This is the last post we will do to celebrate the International Year of the Periodic Table. Nowadays, we are going to tell you about some elements that are used to manufacture those electronic devices that we use so much every day. Today we will talk about aluminium (Al), silicon (Si), neodymium (Nd), praseodymium (Pr) and tungsten or tungsten (W)
Its chemical symbol is Al, and its atomic number is 13. It is the third most excellent abundant element in the earth’s crust, after oxygen and silicon. Its compounds comprise 8% of the crust and are in many rocks.
Aluminium was first isolated as a chemical element in 1825 by Dane Hans Christian Oersted, although he did not achieve complete purification. Other authors prefer to give the paternity of the isolation to Friedrich Wöhler, who, two years later, had already managed to purify the aluminium completely.
In the mid-nineteenth century, aluminium was considered a rare, infrequent metal since world production was deficient, with less than two tons per year. At that time, due to its scarcity, it was also a costly and valuable metal (it was worth as much as silver), and aluminium bars were exhibited together with the French crown jewels at the Universal Exhibition of 1855. However, in 1889 a method was discovered, simple extraction of aluminium metal which caused prices to plummet and began its massive use in different fields, starting with construction.
Is Aluminum Will Be Pure?
Aluminum is practically never used pure but is usually alloyed with other metals to improve some of its characteristics, such as resistance. Aluminium is used in many fields:
- Material to make the structures of aeroplanes, ships, trains, automobiles
- Structural material in buildings
- Electrical conduits, such as high voltage towers
- Construction elements such as windows, doors, and cabinets.
- Canned food, soft drinks, beer.
Chassis of consumer electronics products. It is used for its high coefficient of thermal conductivity. That is, aluminium allows the device to dissipate the accumulated heat efficiently.
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