Engineers have long used stress-strain curves to uncover a host of material properties. The curves are created by plotting the results of tensile strength tests of material samples, putting stress ...

The entire stress-strain curve can now be determined using nanoindentation with a flat-ended cylindrical punch and novel analysis of the resulting force-displacement data 1. Unlike pyramidal indenters ...

When a material experiences an applied uniaxial tensile stress, s, it displays a strain response, e. In the initial stage of strain, the response is linear in the stress and may be described by ...

The thickness of concrete coating on a large-diameter offshore pipeline may be up to eight times the wall thickness of its steel pipe, requiring that its effects on the stiffness, stresses, and ...

Design engineers routinely rely on bolted joints, yet most guidance focuses on axial stiffness—often overlooking moment (pitch) stiffness, which can dominate compliance in ...

It must be made clear that polymers respond to applied loads very differently to metals, making direct comparisons of strength and stiffness of limited use. For example, a large number of design ...

Materials are usually seen as either soft (like rubber) or hard (like steel). But what if materials could change their stiffness whenever needed—soft for cushioning, stiff for support? Mechanical ...