Results 81 to 90 of about 493,949 (310)

Constant strain rate nanoindentation testing up to 104 s−1: Experimental considerations, calibrations and data analysis for reliable hardness measurements

open access: yesMaterials & Design
High strain rate testing at micrometer length scale is crucial for understanding the fundamental deformation mechanisms and identifying potential changes associated with varying strain rates.
Aloshious Lambai   +10 more
doaj   +1 more source

An Inkjet‐Printed Platinum‐Based Temperature Sensing Element on Polyimide Substrates

open access: yesAdvanced Engineering Materials, EarlyView.
An inkjet‐printed, meander‐structured, nanoparticle platinum‐based resistive temperature sensors on polyimide substrates are demonstrated as proof‐of‐concept. Optimized sintering at 250°C enables stable conductive structures. The Pt100‐ and Pt1000‐type sensors exhibit linear resistance–temperature characteristics with stable TCR in the 20°C–80°C range,
Shawon Alam   +6 more
wiley   +1 more source

Influence of lithium concentration on microstructure and nanomechanical characterization of plastically deformed lightweight Mg-Li-Zn-Ca alloys

open access: yesJournal of Alloys and Metallurgical Systems
Plastic deformation of MgxLi1Zn0.5Ca (x = 0, 4, 8, 11) alloys after thermomechanical treatment were explored in this investigation. Nanomechanical testing and microstructural characterization were conducted on as-cast alloys as well as those rolled at ...
Chiamaka Okafor   +4 more
doaj   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo   +3 more
wiley   +1 more source

Numerical Investigation of a Dual‐Mode Shape Memory Alloy Stent Enabling Secondary Expansion via Focused Ultrasound: A Potential Strategy for Correcting In‐Stent Restenosis

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates a novel noninvasive strategy to treat in‐stent restenosis using focused ultrasound. A shape memory alloy stent initially expands at body temperature. If restenosis occurs, targeted ultrasound heating thermally actuates the stent, enabling a secondary expansion to reopen the blocked vessel, offering a potential alternative to ...
Stephen Asare   +3 more
wiley   +1 more source

Impact Behavior of Recycled Aggregate Concrete Based on Split Hopkinson Pressure Bar Tests

open access: yesAdvances in Materials Science and Engineering, 2013
This paper presents the experimental results of recycled aggregate concrete (RAC) specimens prepared with five different amounts of recycled coarse aggregate (RCA) (i.e., 0, 25%, 50%, 75%, and 100%) subjected to impact loading based on split Hopkinson ...
Yubin Lu   +3 more
doaj   +1 more source

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