Results 31 to 40 of about 5,284,833 (331)
Relaxation dynamics of Fe55Cr10Mo14C15B6 metallic glass explored by mechanical spectroscopy and calorimetry measurements [PDF]
, 2016 In this work, the mechanical relaxation dynamics of Fe55Cr10Mo14C15B6 metallic glass is explored by mechanical spectroscopy. The temperature-dependent loss modulus E″(T) shows the features of β relaxation well below glass transition temperature Tg.
Crespo Artiaga, Daniel +3 more
core +2 more sources
Dislocation Breakaway Damping in AA7050 Alloy
Metals, 2020 The AA7050 alloy prepared through the standard industrial hot-forging cycle has been investigated by means of isothermal mechanical spectroscopy (MS) from room temperature up to 185 °C. Each MS test consisted of a cycle with two stages, at increasing and
Andrea Di Schino +3 more
doaj +1 more source
Dynamic Mechanical Relaxation in LaCe-Based Metallic Glasses: Influence of the Chemical Composition
Metals, 2019 The mechanical relaxation behavior of the (La0.5Ce0.5)65Al10(CoxCu1−x)25 at% (x = 0, 0.2, 0.4, 0.6, and 0.8) metallic glasses was probed by dynamic mechanical analysis. The intensity of the secondary β relaxation increases along with the Co/Cu
Minna Liu +6 more
doaj +1 more source
A Focus on Dynamic Modulus: Effects of External and Internal Morphological Features
Metals, 2020 The present work examines the effects of external and internal morphological features on the dynamic elastic modulus and its measure. It consists of two parts.
Maria Richetta, Alessandra Varone
doaj +1 more source
Shape Memory Polyurethane-Based Smart Polymer Substrates for Physiologically Responsive, Dynamic Pressure (Re)Distribution. [PDF]
, 2019 Shape memory polymers (SMPs) are an exciting class of stimuli-responsive smart materials that demonstrate reactive and reversible changes in mechanical property, usually by switching between different states due to external stimuli.
Kumar, Bipin +7 more
core +3 more sources
Evaluation of Structural Stability of Materials through Mechanical Spectroscopy: Four Case Studies
Metals, 2016 Microstructural stability is one of the utmost important requirements for metallic materials in engineering applications, particularly at high temperatures. The paper shows how Mechanical Spectroscopy (MS) (i.e., damping and dynamic modulus measurements)
Girolamo Costanza +4 more
doaj +1 more source
Nature Communications, 2023 The authors realize longitudinal deep-brain imaging through an intact mouse skull by constructing a high-speed reflection matrix microscope at 1.3 µm wavelength and developing a computational conjugate adaptive optics algorithm eliminating skull ...
Yongwoo Kwon +7 more
doaj +1 more source
Archives of Metallurgy and Materials, 2015 The general trend in soft matter is to study systems of increasing complexity covering a wide range in time and frequency. Mechanical spectroscopy is a powerful tool for understanding the structure and relaxation dynamics of these materials over a large ...
Wu Xuebang, Liu Changsong
doaj +1 more source
APL Materials, 2021 Hyperbolic phonon polaritons (HPhPs) enable strong confinements, low losses, and intrinsic beam steering capabilities determined by the refractive index anisotropy—providing opportunities from hyperlensing to flat optics and other applications. Here, two
Georges Pavlidis +7 more
doaj +1 more source
Two-dimensional phononic-photonic bandgap optomechanical crystal cavity [PDF]
, 2014 We present the fabrication and characterization of an artificial crystal structure formed from a thin-film of silicon which has a full phononic bandgap for microwave X-band phonons and a two-dimensional pseudo-bandgap for near-infrared photons.
Chan, Jasper +5 more
core +2 more sources