Flow stress is a critical concept in materials science and engineering, particularly in the study of the mechanical behavior of materials under deformation. It refers to the stress required to maintain continuous plastic deformation in a material. Essentially, it provides a measure of the resistance of a material to plastic deformation under an applied load. Flow stress can be quantified using the following key aspects: 1. **Deformation**: It's particularly relevant in processes involving plastic deformation, such as metal forming, forging, and machining.
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