The alloying elements and the metal tempers -W (as quenched/solutionised),O (annealed),T (tempered)
When 'dissimilar' metals touch, they can create one of the prerequisites for galvanic corrosion.
The key characteristic that makes some metals important in electronic devices is their electrical conductivity. Metals like copper, silver, and gold have high conductivity, allowing them to efficiently transmit electrical signals. Additionally, their malleability and ductility enable them to be easily shaped into wires and components, which are essential for the miniaturization and functionality of electronic devices.
Primarily the 747 family of Aircraft are made of aluminium, thus the nickname "THE ALUMINUM CLOUD". But there are many other metals used such as stainless, titanium, monel, and magnesium just to name a few. The metals are as varied as the systems aboard since each metal has certain characteristics that make them useful for each job. Each new design incorporates more non metalic composites, but metals are with us for the time being.
because of the difference in physical characteristics of thermoplastics and metals, there are corresponding differences between welding techniques for metals and thermo-plastics. in the welding of metal, welding rod and parent material become molten and fuse into the required bond to form welded joints. this is not in thermo plastics, because they are poor heat conductors , they are difficult to heat uniformly .. so diifferent methods are used to weld plastics...
Metals, Non-metals and Metaloids
They all have at least one electron.
what are the characteristics of metals? metals? non-metals?
Non-metals.
An element that has characteristics of both metals and nonmetals is a metalloid.
metalaoids have both the characteristics of metals and non metals. ex:-boron,germanyum.
They are malleable.
They are highly- reactive metals
Semi-metals (or metalloids) are good semiconductors. They have characteristics of both metals and nonmetals. They also have ranging reactivity levels.
How metals are important to our society?
Hydrogen
Metalloids
smoking