Materials Literature
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The distinct difference between BCS-type and unconventional triplet superconductivity manifests itself in their response to external magnetic fields. An applied field easily extinguishes s-wave singlet superconductivity by both the paramagnetic or orbital pair-breaking effects. However, it hardly destroys triplet stat…
A new bifluorene derivative, 7,7'-di(5-bromothiophen-2-yl)-9,9,9',9'-tetraoctyl-2,2'- bifluorene, has been prepared over six steps. The compound with good solubility, electronic and optical properties may be a candidate for polyfluorenes and copolymers of fluorenes.
Ces travaux ont pour objectif d’ameliorer les proprietes physico-chimiques et la reaction au feu du polylactide pour des applications durables. Le manuscrit commence par un etat de l’art des proprietes et des methodes d’ignifugation du polylactide. Ensuite, un procede par extrusion reactive a ete developpe et optimise…
The thermal cycling (quenching in liquid nitrogen and reverting back to room temperature: austenite martensite reversible transformation) response of Ni-Ti-Fe shape memory alloys has been investigated. It was clearly noted that residual deformation, estimated in terms of noticeable differences in austenite grain size,…
In the framework of GenIV program development, several physico-chemical properties of some foreseen fuels, including the chemical durability, have to be evaluated. In this aim, a study was undertaken on MIV1-xLnIIIxO2 (M=Ce,Th) model compounds prepared from oxalate precursors. The fluorite-type structure of CeO2 and T…
This editorial refers to ‘Short- and long-term outcomes of intracoronary and endogenously mobilized bone marrow stem cells in the treatment of ST-segment elevation myocardial infarction: a meta-analysis of randomized control trials’, by H. Zimmet et al., published in this issue on pages 91–105. Despite many breakthrou…
The top of COREX-3000 gasifier was numerical simulated and investigated the relationship between thermal conductivity and the thermal-stress field. It is concluded that when the thermal conductivity of the working lining and permanent lining is respectively 0.95W / (m•K) and 0.5 W / (m•K), the change rate of the top s…
We investigated the structural evolution of Polystyrene films at various conditions through multi-wavelength ellipsometry. We studied the thickness of film dependent of the process of swelling/shrinking, and the influence of the intensity of atmosphere，combining with PM (polarization microscope) to characterize the su…
Lamellar bands are the primary structural features in accumulative roll bonding (ARB) of sheet metals. The structural refinement in ARB sheets occur by forming a dense distribution of lamellar band boundaries. The lamellar band boundaries initiate as low angle interfaces, parallel to the existing lamellar band boundar…
The tribological performances of mixed PTFE-based composites were evaluated on the MM-200 block-on-ring test rig under dry friction condition. The following filler contents: carbon fiber (CF), flake graphite (FG) and spherical graphite (SG) were adopted to investigate their effects on the tribological performances of…
The stability of a unique single, rotated Brass-{110}á556ñ component developed in a Al-Zn-Mg-Cu based 7010 alloy, during long term thermal annealing and cold rolling deformation has been systematically investigated. It is observed that this component remains stable during annealing at 465 °C over the period of 96 hrs…
Volume is indexed by Thomson Reuters CPCI-S (WoS).The 2011 International Forum on Contaminated Sites Remediation aimed to improve Chinese soil environmental science and technology, to promote the development of Chinese contaminated-site management systems based upon risk assessment, to strengthen the engineering appli…
CdSe thin film was electrodeposited from an aqueous solution of CdSO4 and H2SeO3 at 75oC on indium tin oxide (ITO)-covered glass substrates. The deposition films were characterized with X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive analysis by X-rays (EDAX), photoluminescence (PL) and…
In order to study the influences of aggregate size on CO2 laser absorption property, several special absorbing coatings were prepared from four kinds of different particle sizes (45 μm, 13 μm, 6.5 μm and 1.6 μm) TiO2 powder. The CO2 laser absorption capacities of these coatings were studied by comparative analysis of…
The present study deals with deformation behaviour of textured Zircaloy 2 with two dominant orientations: basal and non-basal. During initial stages (20%), two distinct class of grains were observed – non-deforming/non-fragmenting grains and deforming/fragmenting grains. The so-called non- deforming/non-fragmenting gr…
Compared to Japan sintering process, there is a large potential in energy saving in China. In order to reduce the sintering energy consumption, some effective measures such as reducing the solid fuel consumption, the gas consumption and the electricity consumption should be taken, meanwhile new characteristic technolo…
The recrystallization (Rex) texture of cross-rolled 3.3% Si steel was similar to the deformation texture approximated by {100}. The deformation texture of cross-rolled 99.99% copper was approximated by major {110} plus minor {001}. Its Rex texture was approximated by major {110} plus minor {001}. The results have been…
A pure Ni sheet was heavily deformed up to an equivalent strain of 6.4 at room temperature and then annealed to obtain highly Cube textured material, which is a polycrystal subdivided by many low-angle grain boundaries. The highly Cube-oriented sheets were cold-rolled to various reductions up to 90%. It was found that…
Single crystals of the alloy Ti-48%Ni-2%Fe, consisting of the phase B2, were rolled at 350°C with deformation degrees up to ~80% in 11 different initial orientations. Texture development in single crystals under rolling was analyzed to determine the active mechanisms of their plastic deformation. There are three stabl…
Fe81Ga19 sheets were produced by conventional rolling procedure. Recrystallization texture dominated with strong Goss ({110}) was successfully obtained through sheet thickness by primary recrystallization annealing. The development of Goss can be attributed to the favorable shear band morphology and deformation textur…