As a carrier of deformation information, the speckle pattern, or more exactly the random
intensity distributions, which could be naturally occurred or artificially fabricated onto test …

Powder metallurgy (PM) Ni-based superalloys are widely used for aeroengine turbine disc
applications due to their excellent mechanical properties and good corrosion resistance at …

Metallic materials experience irreversible deformation with increasing applied stress,
manifested in localized slip events that result in fatigue failure upon repeated cycling. We …

Metallic materials are fundamental to advanced aircraft engines. While perceived as mature,
emerging computational, experimental and processing innovations are expanding the scope …

Digital image correlation (DIC) has become an industry standard to retrieve accurate
displacement and strain measurement in tensile testing and other material characterization …

As one of the representative characteristics of plastic deformation, microstructural plastic
strain inhomogeneity has triggered a broad interest in uncovering the corresponding …

Additively manufactured 316L stainless steels display significantly higher yield strength than
their as-cast or wrought counterparts. This is associated with the micro-scale cellular …

In this study, the high cycle and very high cycle fatigue behavior of the GH4169 superalloy
was investigated. The results of the fatigue tests demonstrated that failures in the high cycle …

Irreversible deformation in relation to the microstructure was investigated for a
polycrystalline Ni-based superalloy (Alloy 718) from room temperature to 650° C using high …

Advanced experimental and numerical approaches are being developed to capture the
localization of plasticity at the nanometer scale as a function of the multiscale and …