Πλοήγηση ανά Θέμα "Microstructure"
Αποτελέσματα 1-20 από 21
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Acceptor doping effects on microstructure, thermal and electrical properties of proton-conducting BaCe0.5Zr0.3Ln0.2O3-δ (Ln = Yb, Gd, Sm, Nd, la or Y) ceramics for solid oxide fuel cell applications
(2016)In the present work, six materials belonging to Ln-doped BaCeO3-BaZrO3 system (Ln = Yb, Y, Gd, Sm, Nd, La) are prepared and characterized. The impact of the type of the acceptor dopant on i) the microstructure (relative ... -
The adhesive contact of a flat punch on a hyperelastic substrate subject to a pull-out force or a bending moment
(2011)In the last decade; instrumented macro- and nano-indentation tests have become useful tools for probing mechanical properties of materials. In this context, little in-depth work has been done for soft bio-materials like ... -
Cylindrical indentation in micropolar elasticity
(2022)Experiments existing in the literature present a scale dependence of the mechanical properties of certain materials. Such scale dependence is observable also in indentation experiments where the attained contact area and ... -
Failure Analysis of Two Ti-Alloy Total Hip Arthroplasty Femoral Stems Fractured In Vivo
(2003)Failure of total hip arthroplasty femoral stems is a serious clinical complication. Even modern metal alloys and designs sometimes suffer such incidents. The reported study aimed at the investigation of the reasons leading ... -
Fatigue crack growth and remaining life assessment of 2024 aluminum with variation in microstructure
(2010)The LTSM-F crack growth model is implemented in the present work for the assessment of crack growth and remaining fatigue life of 2024 aluminium alloy with different microstructure. The effect of microstructure in the crack ... -
Fatigue crack growth of aircraft aluminum alloys
(2008)The microstructural characteristics and the influence of existing corrosion on fatigue crack growth in 2024 T351 aircraft aluminium alloy are investigated. Examined is the elongated grain morphology due to the rolling ... -
Grain Size Evolution during Multipass Hot-Rolling of C-Mn Steels: Comparison of Phase Field and Extended JMAK Modeling
(2018)The design of multipass hot-rolling schedules is of great importance to steel industry and an effort is made to predict the microstructure evolution. In the present study, a multi-phase field model is employed for the ... -
Integrated material modelling on the crashworthiness for automotive high-strength steel sheets
(2017)The aim of this study is to investigate the impact of microstructure features on the crashworthiness for automotive high-strength steel sheets by using multiscale modelling approach on different length scales, which provides ... -
A method for the calculation of retained austenite evolution during heat-treatment of low-alloy TRIP-assisted steels
(2006)Despite the critical effect of heat-treatment, and in particular of the isothermal bainitic treatment stage, on the amount and stability of retained austenite in the microstructure of low-alloy TRIP-assisted steels, ... -
Microrotation viscosity effect on turbulent micropolar fluid channel flow
(2021)Fluids with an internal rigid microstructure, the so-called micropolar fluids, gain significant attention in many industrial, natural, and biological systems. Here, we study in detail the microrotation viscosity effect on ... -
Microstructural and mechanical characterization of solidified austenitic stainless steels
(2017)Among the family of stainless steels, cast austenitic stainless steels (CASSs) are preferably used due to their high mechanical properties and corrosion resistance. These steels owe their properties to their microstructural ... -
On the macroscopic response and field statistics in particulate composites with elasto-plastic phases and random microstructures
(2021)In this article, we carry out a theoretical investigation of the macroscopic response and field statistics in two-phase particulate composites with elasto-plastic constituents and random microstructures under cyclic loading ... -
Prediction of crack growth following a single overload in aluminum alloy with sheet and plate microstructure
(2011)The fatigue crack growth behavior under constant amplitude and under single overload of 2024 aluminum alloy in sheet and plate product form has been investigated. Constant amplitude fatigue crack growth tests showed superior ... -
Process parameter selection and optimization of laser powder bed fusion for 316L stainless steel: A review
(2022)Stainless steel 316L has been an extensively investigated metallic material for laser powder bed fusion (L-PBF) in the past few decades due to its high corrosion resistance. However, there are challenges related to producing ... -
Proton-conducting BaCe0.5Zr0.3Ln0.2O3-δ (Ln = Yb, Gd, Sm, Nd, la or Y) ceramics for solid oxide fuel cell applications: Effects of acceptor-doping on microstructure, thermal and electrical properties
(2015)Six materials belonging to Ln-doped BaCeO3-BaZrO3 system (Ln = Yb, Y, Gd, Sm, Nd, La) are prepared and characterized in the present work. The impact of the type of the acceptor dopant on (i) the microstructure (relative ... -
Quality characteristics and microstructure of boiled snail fillet meat
(2022)In order to investigate the quality characteristics of boiled snail fillets, the microstructure of fillets of farmed Cornu aspersum maximum was studied for the first time. The cylindrical specific mid-posterior region of ... -
Simulation of dissolution and coarsening in the HAZ of 6061 Al- alloy during laser welding
(2005)Application of laser beam welding (LBW) in heat treatable aluminum alloys causes softening of the heat affected zone (HAZ). This loss in hardness, reflects the relevant microstructural changes due to dissolution and ... -
Size effects in two-dimensional layered materials modeled by couple stress elasticity
(2021)In the present study, the effect of material microstructure on the mechanical response of a two-dimensional elastic layer perfectly bonded to a substrate is examined under surface loadings. In the current model, the substrate ... -
Some basic contact problems in couple stress elasticity
(2014)Indentation tests have long been a standard method for material characterization due to the fact that they provide an easy, inexpensive, non-destructive and objective method of evaluating basic properties from small volumes ... -
A strategy for synthetic microstructure generation and crystal plasticity parameter calibration of fine-grain-structured dual-phase steel
(2020)This study aims to establish a strategy for bridging the microstructure and mechanical properties of fine-grain-structured dual-phase steel. A complete workflow is built up commencing with the microstructure observations ...