Results 251 to 260 of about 14,324 (302)

Ultrastrong and ductile precipitation-hardened alloy via high antiphase boundary energy. [PDF]

Sci Adv
Dai S, Shi Y, He J, Hou J, Zhang F, Wu Z, Ma C, Liu S, Schökel A, Ma Y, Wei S, Pistidda C, Lei Z, Lu Z.   +13 more
europepmc   +1 more source

Effect of Different Heat Treatment Processes on the Microstructure and Properties of Cu-15Ni-3Al Alloys. [PDF]

Materials (Basel)
Ren J, Wang Q, Dong L, Gao J, Chai X.
europepmc   +1 more source

Nucleation pathway in coherent precipitation [PDF]

Philosophical Magazine, 2011
The non-classical nucleation pathway of coherent precipitates has been computed through the minimisation of the nucleation barrier in the composition (c) - size (R) space so that to predict the evolution of the nucleus composition. The generalized Gibbs model developed by Schmelzer et al.
T Philippe, D Blavette
exaly   +3 more sources

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On the Extra-Resistivity of Coherent Precipitates

Physica Status Solidi (a), 1979
By means of a formula recently developed by the authors which allows one to calculate the extra-resistivity of GP zones (Δϱex) by the help of theoretical XSAS intensities and XSAS intensity distribution functions of single spherical as well as ellipsoidal GP zones the course of Δϱex is calculated considering certain decomposition processes. For example
C. Radomsky, H. Löffler
openaire   +1 more source

The influence of size on the composition of nano-precipitates in coherent precipitation

Philosophical Magazine, 2014
Various experiments show that the solute content in small coherent precipitates in their early stages of growth-coarsening is significantly lower than its equilibrium value and gradually increases with the particle size until equilibrium composition is reached.
Bonvalet, M., Philippe, T., Sauvage, Xavier, Blavette, D.   +3 more
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Coherence Among Climate Signals, Precipitation, and Groundwater

Groundwater, 2010
Climate signals may affect groundwater level at different time scales in different geographical regions, and those patterns or time scales can be estimated using coherence analysis. This study shows that the synthesis effort required to search for patterns at the physical geography scale is possible, and this approach should be ...
Reza Namdar, Ghanbari, Hector R, Bravo
openaire   +2 more sources

Formation of coherent precipitates of platinum in sapphire

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1999
Abstract The surface region of sapphire was modified by implantation of Pt ions. Single crystalline α-Al 2 O 3 samples were implanted at room temperature with 160 keV Pt ions to fluences from 1 × 10 14 to 5 × 10 16 Pt + /cm 2 . For doses up to 10 15 Pt + /cm 2 , 80% of the implanted ions occupy substitutional sites in the Al sublattice.
E Alves, R.C da Silva, O Conde, M.F da Silva, J.C Soares   +4 more
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The loss of coherency of precipitates and the generation of dislocations

The Philosophical Magazine: A Journal of Theoretical Experimental and Applied Physics, 1970
Abstract The theory of Brown, Woolhouse and Valdre (1968) is extended to include the possibility of the nucleation of interface dislocations by prismatic punching and the condensation of point defects. It is shown that neither process can occur spontaneously (i.e.
L. M. Brown, G. R. Woolhouse
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Presence of coherent precipitate in VC0.76 monocrystals

Journal of the Less Common Metals, 1973
Abstract An electron transmission microscope study in VC0.76 monocrystals has revealed the presence of a fine, coherent, ordered precipitate randomly distributed in a disordered matrix. The precipitate revealed a domain structure similar to that observed within the domains in VC0.84 monocrystals.
P.H. Thornton, R.K. Govila
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Critical sizes for the stabilization of coherent precipitates

Journal of Applied Physics, 2014
On growth of a precipitate beyond a critical size (r*), interfacial misfit dislocation loops are energetically stabilized. In the case of precipitation in (small) finite crystals, the energy of both the coherent precipitate and the dislocation loop are altered with respect to bulk crystals.
Arun Kumar, Monika Gautam, Anandh Subramaniam   +2 more
openaire   +1 more source