YIELD POINT Meaning and
Definition
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The term "yield point" refers to a specific characteristic of materials, particularly solids or fluids, which describes the point at which they exhibit a change in behavior under applied stress or force. The yield point represents the stress or force threshold at which a material starts to deform permanently, also known as yielding, instead of returning to its original form after the stress is removed.
In materials like metals, the yield point is reached when the stress applied causes the atomic lattices to rearrange, resulting in plastic deformation. At this point, the material undergoes a significant change in shape or structure that is not reversible, leading to a permanent alteration. This differs from the elastic deformation that occurs below the yield point, where the material can return to its original shape once the stress is released.
For fluids, such as fluids with high viscosity, the yield point refers to the minimum force or stress required to initiate flow. Below the yield point, the fluid behaves like a solid, resisting any applied stress. However, once the yield point is surpassed, the material starts to flow and exhibit liquid-like behavior.
The determination of the yield point is essential in engineering and material science, as it helps to identify the maximum stress a material can handle without undergoing permanent deformation or failure. It facilitates the understanding of the behavior of materials under different conditions, enabling engineers to design and construct structures and machines that can withstand various loads and stress levels.
Common Misspellings for YIELD POINT
- tield point
- gield point
- hield point
- uield point
- 7ield point
- 6ield point
- yueld point
- yjeld point
- ykeld point
- yoeld point
- y9eld point
- y8eld point
- yiwld point
- yisld point
- yidld point
- yirld point
- yi4ld point
- yi3ld point
- yiekd point
- yiepd point
Etymology of YIELD POINT
The word "yield point" originated from the combination of two separate terms: "yield" and "point".
1. Yield: The term "yield" has its roots in Middle English and Old English. It originally came from the Old English word "gieldan", which means "to pay, give, or offer". Over time, the meaning evolved to include the idea of "surrender" or "submit". In the context of materials science and mechanics, the term "yield" refers to the point at which a material undergoes significant deformation without any further increase in stress. It usually signifies the beginning of plastic deformation.
2. Point: The word "point" comes from the Latin word "punctus", which means "a prick or dot". It has been used in various contexts to denote a specific place, time, or stage.
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