Results 101 to 110 of about 1,092,040 (293)

Influence of Grain Size on the Band-gap of Annealed SnS Thin Films

, 2012
The manuscript reports the variation in optical band-gap of vacuum annealed SnS thin films. The samples were characterized by using X-Ray Diffraction, UV-visible Spectroscopy and Raman Analysis.
Alim, Band, Bente, Briggs, Brus, Calixtro-Rodriguez, Chandrasekhar, Cheng, Choi, Devika, Devika, Ehm, Gao, Gao, Ghazali, Gou, Guo, Hartman, Jiang, Jiang, Kamano, Kitahara, Makinistian, Mariano, Nahass, Nair, Nikolic, Noguchi, Ortiz, P. Arun, Patil, Patterson, Priyal Jain, Radot, Rajalakshmi, Reddy, Reddy, Reddy, Sajeesh, Schlecht, Sohila, Swanepoel, Thangaraju, Tritsaris, Wagner, Wang, Yang, Yue, Yue, Zhu   +49 more
core   +1 more source

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

Advanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller, Amaya Compart, Mahnaz Mehdizadehlima, Serhii Yaroshevskyi, Christos G. Aneziris, Horst Biermann, Anja Weidner   +6 more
wiley   +1 more source

Reduction of Oxide Inclusions During the High‐Frequency Welding of Steel via a Nonthermal Ar/H2 Plasma Jet

Advanced Engineering Materials, EarlyView.
High‐frequency (HF) welding of steel is limited by oxide inclusions that degrade weld quality. This study demonstrates, for the first time, the integration of a nonthermal Ar/H2 dielectric barrier discharge (DBD) plasma jet into HF welding. Local plasma treatment provides effective shielding and in‐situ oxide reduction, resulting in markedly fewer and ...
Viktor Udachin, Lienhard Wegewitz, René Gustus, Henning Wiche, Wolfgang Maus‐Friedrichs   +4 more
wiley   +1 more source

Twin spacing and grain size dependent tensile deformation mechanism of a nano-ploycrystalline Ni-based alloy

Journal of Materials Research and Technology
It is easy to form twins in Ni-based wrought superalloys with low stacking fault energy, but the effect of grain size and twin spacing on mechanical properties in nano-ploycrystalline Ni-based alloys is rarely studied. Based on the composition of a novel
Jianjun Chen, Yutian Ding, Yubi Gao, Biao Wang, Runxia Li   +4 more
doaj   +1 more source

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

Advanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell, Martha Leach, Hongtao Song, Carolyn Seepersad   +3 more
wiley   +1 more source

Mid-Infrared Spectrophotometric Observations of Fragments B and C of Comet 73P/Schwassmann-Wachmann 3

, 2010
We present mid-infrared spectra and images from the GEMINI-N (+Michelle) observations of fragments SW3-[B] and SW3-[C] of the ecliptic (Jupiter Family) comet 73P/Schwassmann-Wachmann 3 pre-perihelion.
Boss, Bradley, Bregman, Charles E. Woodward, Crovisier, Crovisier, Crovisier, Crovisier, David E. Harker, David K. Lynch, Diane H. Wooden, Dorschner, Ebel, Edoh, Ehrenfreund, Hanner, Hanner, Harker, Harker, Harker, Howell, Jones, Joyce, Jäeger, Kelley, Kelley, Kemper, Kemper, Li, Lisse, Lord, McDonnell, Meech, Michael L. Sitko, Michael S. Kelley, Moreno, Orosei, Oört, Ray W. Russell, Scotti, Sekanina, Sitko, Stansberry, Watanabe, Watanabe, Weaver, Wooden, Wooden, Wooden, Wooden, Wooden   +50 more
core   +1 more source

Enhancing Strength and Electrical Conductivity in Al–Zr–Sc Conductor Alloys Through Sn and Sr Microalloying and Two‐Step Aging Treatment

Advanced Engineering Materials, EarlyView.
Trace additions of Sn and Sr combined with a two‐step aging treatment are shown to enhance the microstructure and performance of Al–Zr–Sc conductor alloys. Strength and electrical conductivity increase concurrently through accelerated precipitation of fine Al3(Sc, Zr) precipitates and improved dislocation resistance, offering a cost‐effective pathway ...
Quan Shao, Emad M. Elgallad, Alexandre Maltais, X.‐Grant Chen   +3 more
wiley   +1 more source

Grain Size Effect on the Mechanical Behavior of Cohesionless Coarse-Grained Soils with the Discrete Element Method

Advances in Civil Engineering, 2018
Biaxial compression tests with the same specimen size and different maximum grain sizes were simulated for coarse-grained soils using the discrete element method to study the influence of grain size on the mechanical properties and force chain.
Renjie Wen, Cai Tan, Yong Wu, Chen Wang
doaj   +1 more source

Application of Raman and Photoluminescence Spectroscopy to MgO‐C Refractories

Advanced Engineering Materials, EarlyView.
Visible to near infrared luminescence of MgO is studied on MgO‐C bricks and nominally pure MgO powder, with focus on two similar sharp high‐intensity signals, at 699 and 871 nm, each surrounded by symmetrical sidebands. The nature of these sidebands is investigated by temperature‐dependent spectroscopic measurements, confirming phonon involvement by ...
Julia Richter, Felix Drechsler, Till M. J. Stadtmüller, Cameliu Himcinschi, Christos G. Aneziris, Jens Kortus   +5 more
wiley   +1 more source

Effect of grain size on the interface deformation mechanism and mechanical properties of polycrystalline Cu/Al2Cu/al layered composite materials: A molecular dynamics simulation

Journal of Materials Research and Technology
Molecular dynamics simulations were first employed to investigate effect of grain Size(D = 6–15 nm) on the interface deformation mechanism and mechanical properties of polycrystalline Cu/Al2Cu/Al layered Composite Materials.
Hui Zhang, Aiqin Wang, Aiqiong Pan, Jingpei Xie, Wei Yang   +4 more
doaj   +1 more source