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2019-08-21
08:47
[PUBDB-2019-03049] Journal Article
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Corrosion behavior of metal–composite hybrid joints: Influence of precipitation state and bonding zones
The corrosion behavior of AA2024-T3/carbon-fiber-reinforced polyphenylene sulfide joints was investigated. The joints were exposed to salt spray from one to six weeks. [...]
ddc:670
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2019-08-18
18:25
[PUBDB-2019-03030] Journal Article
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Sol–Gel Transition in Nanodiamond Aqueous Dispersions by Small-Angle Scattering
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ddc:530
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2019-08-08
11:21
[PUBDB-2019-02940] Journal Article
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Tuning the Elasticity of Cross-Linked Gold Nanoparticle Assemblies
Composite materials of organically stabilized or cross-linked metal nanoparticles represent a versatile material class with manifold potential applications. Numerous studies explored their tunable optical and charge transport properties. [...]
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ddc:530
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2019-07-09
08:25
Embargoed OpenAccess [PUBDB-2019-02671] Journal Article
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The Role of Second Phases on the Creep Behavior of As-Cast and Hot-Extruded Mg-Ca-Zr Alloys
JOM 71(7), 2227 - 2234 () [10.1007/s11837-019-03515-7]  GO
The effect of second phases on the creep behavior of Mg-Ca-Zr alloys was investigated. Casting and hot-extrusion processes were performed to prepare Mg-xCa-0.5Zr (x = 0 wt.%, 0.3 wt.% and 0.6 wt.%) alloys with different morphologies and distributions of second phases. [...]
Published on 2019-05-06. Available in OpenAccess from 2020-05-06.: Download fulltextPDF Download fulltextPDF (PDFA); External link: Download fulltextFulltext
ddc:670
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2019-07-04
17:14
OpenAccess [PUBDB-2019-02653] Journal Article
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Influence of Nd or Ca addition on the dislocation activity and texture changes of Mg–Zn alloy sheets under uniaxial tensile loading
n situ hard X-ray diffraction experiments were carried out to investigate the dislocation slip activity of Mg-1 wt.% Zn-based alloys containing Nd or Ca during tensile loading. Diffraction patterns collected during tensile loading at 3 temperatures were analyzed using a convolutional multiple whole profile fitting procedure [...]
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ddc:530
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2019-07-03
09:41
[PUBDB-2019-02624] Journal Article
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Poly(9‐undecyl‐9‐methyl‐fluorene) and poly(9‐pentadecyl‐9‐methyl‐fluorene): Synthesis, solution structure, and effect of side chain asymmetry on aggregation behavior
We report on solution aggregates and backbone conformation of poly(9‐undecyl‐9‐methyl‐fluorene) (PF1‐11) and poly(9‐pentadecyl‐9‐methyl‐fluorene) (PF1‐15), having two different side chains compared with poly(9,9‐dihexylfluorene) (PF6) and poly(9,9‐dioctylfluorene) (PF8) with two identical side chains. In the poor solvent methylcyclohexane (MCH), X‐ray scattering indicates that PF1‐11 and PF1‐15 appear as three‐dimensional aggregates (5–10 nm wide and thick), forming ribbon‐like agglomerates (correlation lengths of 100 nm). [...]
ddc:660
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2019-06-21
16:55
[PUBDB-2019-02536] Journal Article
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In-situ investigation of the oxidation behavior of metastable CVD $Ti_{1-x}Al_{x}N$ using a novel combination of synchrotron radiation XRD and DSC
Ti1-$_x$Al$_x$N hard coatings deposited by chemical vapor deposition (CVD) have attracted much attention recentlydue to their extraordinary nanolamellar microstructure and outstanding performance observed in metal cuttingoperations. Several published reports suggest further that CVD-Ti1-$_x$Al$_x$N exhibits an increased thermal stabilityand high temperature oxidation resistance when compared to state-of-the-art physical vapor deposited Ti-xAlxN.However, the exact mechanisms underlying the oxidation of this coating system are not thoroughly understoodyet. [...]
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ddc:670
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2019-06-06
11:13
OpenAccess [PUBDB-2019-02423] Journal Article
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The first fossil free-living late instar larva of Strepsiptera (Insecta)
A fossil Cenozoic late instar strepsipteran larva is described and evaluated phylogenetically. The single specimen is embedded in Eocene Baltic amber. [...]
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ddc:590
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2019-04-29
15:30
Embargoed OpenAccess [PUBDB-2019-02120] Journal Article
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On a specific state of C$_{60}$ fullerene in N-methyl-2-pyrrolidone solution: Mass spectrometric study
A solution of fullerene C$_{60}$ in N-methylpyrrolidone (NMP) presents a suitable system for obtaining fullerene's clusters with the tunable size. However, the mechanism of fullerenes interaction with polar NMP molecules is still elusive. [...]
Published on 2019-03-18. Available in OpenAccess from 2020-03-18.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
ddc:660
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2019-04-15
10:38
OpenAccess [PUBDB-2019-01951] Journal Article
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Biomimetic hard and tough nanoceramic Ti–Al–N film with self-assembled six-level hierarchy
Nanoscale 11, 7986 - 7995 () [10.1039/C8NR10339A]  GO
Nature uses self-assembly of a fairly limited selection of components to build hard and tough protective tissues like nacre and enamel. The resulting hierarchical micro/nanostructures provide decisive toughening mechanisms while preserving strength. [...]
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ddc:600
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