The Efficient Engineer on MSN9dOpinion
Understanding True Stress and True Strain
Did you know that the typical stress-strain curve obtained from a uniaxial tensile test is just an approximation? It doesn't ...
Princeton University10y
Materials and Structure
Both stress and strain are measured in engineering units which use the initial dimensions of the sample to normalize the applied forces and the extensions produced. Critical points on the curve are ...
Purdue University2y
Torsion: shear stress/strain and twist angle
The hypothesis used in developing the stress and strain in the shaft is that all points on a cross-section of the shaft experience the same angle of twist. The angle of twist for a section of length L ...
Nanowerk10mon
Young's Modulus: Measuring Stiffness at the Nanoscale
in a material in the linear elastic region of a stress-strain curve. A high Young's modulus indicates a stiff material that resists deformation, while a low modulus characterizes a soft material that ...
Princeton University10y
Materials and Structure
The tensile behavior of composites is also different from that of metals in the 'plastic deformation' region of the stress/strain curve. The diagram shows the curve for a uniaxial sample tested along ...