Results 91 to 100 of about 12,548,785 (342)

In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal   +4 more
wiley   +1 more source

Harvesting history, Laxton : the medieval village that survived the modern age

open access: yes, 2017
A video covering the medieval farming and life styles preserved in Laxton, a small village in Nottinghamshire which has survived the modern age. Includes images and artefacts from the exhibition presented by the University of Nottingham Department of ...
Summerwill, Kathryn
core  

Old age in Byzantine society

open access: yes, 2007
This paper examines the status afforded old age in the Byzantine Empire. Frequently neglected in accounts of state formation or comparative history, this Christian imperial state transformed the moral ordering of the lifecourse.
Chris Gilleard, Gilleard, C
core   +1 more source

Experimental Characterization and Constitutive Modeling of the Effect of Prior Inelastic Strain on the Viscoplastic Behavior of AD730 at 700 °C

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows that superalloys used in aircraft engine disks become much more prone to deformation at high temperatures if they have been strained during manufacturing. This effect increases with the level of prior strain but eventually reaches a limit.
Fabio Machado Alves da Fonseca   +9 more
wiley   +1 more source

Concepts of Youth

open access: yes, 2023
Concepts of youth emerged at the forefront of a strikingly diverse range of projects in modern times. Youth embodied concepts of enhanced productivity and improved work culture in the ‘age of the masses.’ It emerged as a norm to be recaptured through ...
Pomfret, DM, Syrett, N
core  

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

Trends and differentials in menarcheal age in China. [PDF]

open access: yes, 2002
This study examines trends in menarcheal age of women born in China between 1950 and 1973, and explores the impact of relevant social background characteristics on the timing of first menarche.
Murphy, Michael J.   +2 more
core   +1 more source

Varhaismodernin ajan rakkautta Pohjolasta Arvio teoksesta Kietäväinen-Sirén, Hanna. Rahvaan rakkaus – Suomalaisen intohimon historia.

open access: yesJ@rgonia, 2020
A book review of: Kietäväinen-Sirén, Hanna. Rahvaan rakkaus – Suomalaisen intohimon historia. Jyväskylä: Docendo. 2020. 212 s. ISBN 978-952-291-739-3.
Kantanen, Anna
doaj  

Influence of Geometric Design on Mechanical Performance of Auxetic Metastructure

open access: yesAdvanced Engineering Materials, EarlyView.
Strategic geometric reinforcement transforms auxetic performance. This study evaluates 3D‐printed arrowhead metastructures, revealing that a modified design with local ring reinforcement suppresses premature failure to achieve superior energy absorption and structural efficiency.
Muhammad Gulzari   +3 more
wiley   +1 more source

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