Materials Literature
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Abstract Type 410 martensitic stainless steel is typically used in highly corrosive environments within petrochemical installations due to its resistance to halide stress corrosion cracking, hardenability, and low cost compared to austenitic stainless steel. However, the industry has experienced difficulties in meetin…
Abstract Compressed hydrogen gas cylinders with an aluminum liner and carbon fiber wound are currently used as main storage containers in hydrogen fuel cell vehicles region, such cylinders filled with hydrogen gas have the advantages of light weight, high pressure resistance etc. Owing to the fact that cylinders are g…
Abstract This paper presents a results of brittle fracture (BF) assessment of WWER-1000 reactor pressure vessel (RPV) subjected to pressurized thermal shook (PTS). Work is focused on the two factors affected on the BF safety margin. The first one is the definition of the heat transfer conditions from outer surface of…
Abstract The present paper investigates the influence of several design parameters on the frictional response of a bolted joint, involving screws from strength grades 8.8 to 12.9, with black oxidization coating or zinc coatings. The experimentation deals with different underhead and nut materials (cast iron, aluminum)…
Abstract In this work, polypropylene (PP) filled with different proportions of CoSt were prepared in a twin-screw extruder by compounding technique. Eight films of these compounds were prepared using compression moulding. The modified PP films were characterized for chemical, physical, thermal, and morphological prope…
The number density and the arrangement of metal nanoparticles in composite materials have a significant effect on their performance and hence their suitability for use in sensors and devices. Forming one-dimensional arrays of metal nanoparticles is one way of controlling their number density and arrangement in the dev…
In our time with the growing cooling demand in electronics and energy industries, new thermally conductive materials are in high demand. Thermal gasket and thermal interface materials (TIM) are applications acquiring the characteristics of the thermally conductive materials. They are used to offer bonding strength and…
The validity of acceptance criteria should be verified through testing and challenge of the product on a sound scientific basis during the development and initial production phase. The term validation is defined under cGMPs. However, many definitions have been offered and the one officially published, as a guidance, s…
An interesting phenomenon of "short circuit" of the power flux of light arising from the electromagnetic decoupling has been discovered in a composite structure composed of epsilon-mu-near-zero medium (EMNZ) and epsilon-near-zero (ENZ). In the composite structure, the power flux of light goes around the ENZ components…
Abstract Electrical excitation of light using inelastic electron tunneling is a promising approach for the realization of ultra-compact on-chip optical sources with high modulation bandwidth. However, the practical implementation of these nanoscale light sources presents a challenge due to the low electron-to-photon t…
The controllability of ion channel size is critical for ion transport and sieving. Graphene oxide (GO) has a planar two-dimensional structure and a rich functional group as a binding site, and the liquid crystal material generally undergoes an orientation change under the action of an external force field. Therefore,…
Early core degradation determines the amount of hydrogen generated by cladding oxidation as well as the temperature, the mass, and the composition of corium that further relocates into the lower head of reactor pressure vessel (RPV), which is essential for the effectiveness analysis of in-vessel retention (IVR) and hy…
Abstract This paper focuses on the bending deformation experienced by metallic materials and its characterization during the crash analysis of ship structures. These analyses are conducted with plane stress shell elements for computational reasons. The inherent nature of through thickness plane stress poses restrictio…
Abstract Random stress produces fatigue damage due to fluctuation in the presence of high bending stresses gets enhanced and leads to the primary failure of the production composite riser. The main problems with the fatigue deterministic model are related to the fact that not all waves have the same period. The second…
Abstract The high temperature environments in proposed advanced reactor designs pose unique challenges for the integrity of structural components. Capabilities to model metals in this environment are being developed in Grizzly, a finite element-based structural simulation code developed at Idaho National Laboratory. T…
Abstract The clad selection criteria proposed in this work supports a design approach provided in [PVP2020-21469] for cladded component for high temperature nuclear service. The proposed design method guards the clad material against the creep-fatigue failure and ratcheting strain accumulation in elevated temperature…
The rheology of suspensions of solid spheres in viscoelastic background media is analytically calculated for dilute values of solid volume fraction. A mean-field cell model is used to express the influence of the solid particles in a suspending fluid, which obeys the second-order fluid model. A semi-analytical constit…
Fabrication, optical characterization, and simulation of subwavelength TiO2 hole arrays exhibiting geometry-tunable, omnidirectional color response across the visible spectrum is described. Partially suspended TiO2 grating “membranes” (hole arrays supported by a high void-fraction, low-index underlayer) with quasiperi…
The effects of the synergy of pressure regulation and Eu substitution on the microstructure and thermoelectric (TE) properties are investigated for type-I clathrates Eu[Formula: see text]Ba[Formula: see text]Cu6Si[Formula: see text]Ge[Formula: see text] ([Formula: see text], 0.5, 1, 1.5). The rare-earth-substituted an…
In this work, four fracture criteria—namely, Fracture Forming Limit Curve (FFLC), Fracture Forming Limit Stress Curve (FFLSC), Fracture Locus (FL) and Fracture Locus Embedded with Bao-Wierzbicki Ductile Damage Criterion (BW-FL)—are comparatively deployed to forecast breakage of deformed AA2024-T3 sheet aluminium-alloy…