aero&astro said:Why do Fe-C and other metals exhibit upper and lower yield points?
aero&astro said:And also can you get substitutional solid solution in any Fe-C metals, like ferrite, austenite etc?
The yield point of a metal is the stress at which it begins to deform plastically (i.e. permanently) after being subjected to a load. It is also known as the yield strength.
The yield point of a metal is determined through a tensile test, in which a sample of the metal is pulled until it reaches its breaking point. The yield point is the stress at which the metal first starts to exhibit plastic deformation.
The yield point of a metal can be affected by various factors, such as the composition of the metal, its microstructure, and any external forces or stresses applied to it. Temperature can also have an impact on the yield point of a metal.
The yield point of a metal is an important indicator of its overall strength. A higher yield point generally indicates a stronger metal that can withstand greater stresses before deforming permanently. However, other factors such as ductility and toughness also play a role in determining a metal's strength.
Yes, the yield point of a metal can be altered through various processes, such as heat treatment, cold working, and alloying. These methods can change the microstructure of the metal and affect its yield point, making it stronger or more ductile.