Results 61 to 70 of about 42,818 (302)
MedžiagotyraThe thermo-stability of microstructure during isothermal annealing at 900 °C and 1000 °C in a cold-worked Cu-Al2O3 composite with 0.1 wt.% Al content and its effect on resistance to softening were investigated in this paper.
Dongping ZHANG +4 more
doaj +1 more source
Optimization of annealing modes of cast tool made of R6M5L steel [PDF]
Металознавство та обробка металів, 2019 A simple configuration cast tool made by the technology of chill casting with intensive cooling during crystallization from R6M5L steel is characterized by a fine-grained structure, increased alloying of the solid solution and a hardness of 62-63 HRC; it
Kondratyuk Stanislav Ye. +2 more
doaj +1 more source
Advanced Functional Materials, EarlyView.The carbon cloth electrode with targeted pyridinic nitrogen doping, achieved via urea pyrolysis, effectively modulates the adsorption of Cr(II) species and enhances electron transfer, leading to significantly improved kinetics of the Cr(II)/Cr(III) reaction. The material demonstrates a high discharge capacity of 689.3 mAh and an energy efficiency of 72.
Jinfeng Yi +9 more
wiley +1 more source
Advanced Functional Materials, EarlyView.The hidden role of Cd segregation at grain boundaries is revealed in p‐type Mg3Sb2 by atom probe tomography and other advanced characterizations. Grain boundary Cd enrichment suppresses the SbMg+ hole‐killer formation and lowers potential barriers, enhancing electrical conductivity.
Zhou Li +12 more
wiley +1 more source
Experimental investigation of phase equilibria in the ZrCu-Al system at 500º C [PDF]
, 2016 Weight is of a fundamental importance in the performance of aircraft. Finding new materials for the structural elements of an aircraft that are lighter while giving the performance needed is crucial.
Esquerdo Estalella, Eduard +1 more
core
Formation of nanocrystals based on decomposition in the amorphous Zr41.2Ti13.8Cu12.5Ni10Be22.5 alloy [PDF]
, 1996 Primary crystallization and decomposition in the bulk amorphous alloy Ar41.2Ti13.8Cu12.5Ni10Be22.5 have been studied by small angle neutron scattering (SANS), transmission electron microscopy (TEM), and differential scanning calorimetry (DSC).
Johnson, W. L. +2 more
core +1 more source
Advanced Healthcare Materials, EarlyView.Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum +5 more
wiley +1 more source
Highly processable bulk metallic glass-forming alloys in the Pt–Co–Ni–Cu–P system [PDF]
, 2004 Highly processable bulk metallic glass alloys in the Pt–Co–Ni–Cu–P system were discovered. The alloys show low liquidus temperature below 900 K, excellent processability with low critical cooling rate reflecting in maximum casting thicknesses in quartz ...
Johnson, William L., Schroers, Jan
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Effects of cooling rate on isothermal spheroidizing annealing of hot-rolled GCr15 bearing steel
Journal of Materials Research and TechnologyThe effects of cooling rate on isothermal spheroidizing annealing (SA) of hot-rolled GCr15 bearing steel have been investigated. The results show that controlling the cooling rate between austenitizing and secondary annealing within a specific range is ...
Yongcheng Li +6 more
doaj +1 more source
Advanced Materials, EarlyView.A cryoprotectant‐compatible nanoporous platform enables ambient‐stable and scalable delivery of gene editing therapeutics. By combining hierarchical pore architecture with optimized lyophilization chemistry, the system preserves Cas9‐RNP activity post‐freeze‐drying.
Sian Lee +8 more
wiley +1 more source