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Damage of high-chromium steels under deformation in a wide temperature range

N. V. Skripnyak、E.S. Emelyanova、Vladimir A. Skripnyak 等 4 位作者2017-01-01AIP conference proceedings

High-chromium steels have high strength properties, corrosion properties and resistance to neutron irradiation, thereby are considered as promising steels for nuclear reactors of generation IV. The deformation and damage of high chromium steels in a wide temperature range was studied by numerical simulation method. A…

Microstructure and Mechanical Properties of SteelsHigh-Velocity Impact and Material BehaviorMaterial Properties and Failure Mechanisms

Technological And Economical Aspects Of Arc Welding Of AL 5754

Petar Tašić、Ismar Hajro、Damir Hodžić2017-01-01Annals of DAAAM for ... & proceedings of the ... International DAAAM Symposium

Aluminium and its alloys represent very important group of structural materials. They have many applications in mechanical and civil engineering, and welding is considered to be one of the most important joining techniques. However, welding of aluminium has several issues, like high thermal conductivity and easy forma…

Welding Techniques and Residual StressesMetal Alloys Wear and PropertiesAdvancements in Materials Engineering

Nitrogen mineralization in an Alfisol amended with thermoelectrical industry by-products

Claudio I. Fernández、Neal Stolpe、José E. Celis 等 4 位作者2017-01-01Chilean journal of agricultural research

In thermoelectric industry, synthetic gypsum and coal ash are generated as industrial by-products. The objective of this work was to evaluate the effect of different mixtures of synthetic gypsum and coal ash on N mineralization in an Alfisol. Nitrogen mineralization was evaluated by soil incubations under controlled c…

Clay minerals and soil interactions

Structural and Dielectric Properties of Lanthanum Doped CaCu3Ti4O12 for Capacitor Application

Anshuman Srivastava2017-01-01American Journal of Materials Synthesis and Processing

CaCu3Ti4O12 (CCTO) is a novel material with high relative dielectric constant and low loss tangent, CCTO belongs to a family of oxides of the type ACu3Ti4O12 (A=Ca, Cd, Sr, Na, Th). CaCu3Ti4O12 was first reported by Subramanian et al., to have an unusually high dielectric constant (~10,000) at 1 kHz. It is well known…

Dielectric properties of ceramics

Improvement of formability of AZ31magnesium alloy by repeated roll bending process

Akira Yanagida、Yuma Hirai、Kenji Sekido2017-01-01Procedia Engineering

Dispersion of the basal texture is effective to improve the formability. A repeated roll bending process (7 work rolls, work roll radius of 32 mm, roll pitch of 40 mm) was applied to AZ31 magnesium alloy sheets by activating the tensile twins. The larger applied bending strain per pass was effective to increase hardne…

Magnesium Alloys: Properties and ApplicationsAluminum Alloy Microstructure PropertiesAluminum Alloys Composites Properties

CALCULATION OF THE RELIABILITY AND ESTIMATION OF THE MOST SUITABLE RENEWAL CYCLE OF PARTS AND EQUIPMENT IN BUILDINGS BASED ON LONG-TERM RECORDS OF THE REPAIR WORKS ON BUILDINGS

Toshimasa Itaya、Yukio Komatsu2017-01-01Journal of Architecture and Planning (Transactions of AIJ)

In this research we conducted a long-term survey of the actual states of repair construction on buildings. From the investigation, we estimate the most suitable renewal cycle of the parts and equipment in buildings. If we know the appropriate renewal cycles of major parts and equipment in buildings, we can keep buildi…

Structural mechanics and materials

Biexciton and trion energy transfer from CdSe/CdS giant nanocrystals to Si substrates

Tianle Guo、Siddharth Sampat、Sara M. Rupich 等 9 位作者2017-01-01Nanoscale

Observation of energy transfer (ET) from multiexcitonic (MX) complexes in nanocrystal quantum dots (NQDs) has been severely restricted due to efficient nonradiative Auger recombination leading to very low MX emission quantum yields. Here we employed "giant" CdSe/CdS NQDs with suppressed Auger recombination to study ET…

Perovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Theoretical Study of the Interaction of 1,2-Dithiolene Ligands with the Mg2+ and Ca2+ Aquacations: Electronic, Geometric and Energetic Analysis

Glauber Melengate、Stanislav R. Stoyanov、Daniel Garcez Santos Quattrociocchi 等 5 位作者2017-01-01Journal of the Brazilian Chemical Society

The B3LYP/6-311++G(d,p) method is employed to carry out calculations of the interaction strength of bidentate dithiolene ligands with the [M(H 2 O) 6 ] 2+ and [M(H 2 O) 4 ] 2+ (M = Mg or Ca) aquacations. Two series of ligands are studied: one with a phenyl ring directly bonded to the S interacting atoms and the other…

Organic and Molecular Conductors Research

Development of Mn-modified Hexagonal YbFeO3 Catalyst for Reducing the Use of Precious Metal Resources

Saburo Hosokawa、Shogo Matsumoto、Ryohei Tada 等 5 位作者2017-01-01Journal of the Japan Society of Powder and Powder Metallurgy

Mn-modified hexagonal YbFeO3 (Mn-YFO) synthesized by a solvothemal method is found to have a higher catalytic activity for C3H8 or CO oxidation than noble metal catalyst, Pd/Al2O3. The catalytic activity is mainly due to amorphous MnOx species located on ab plane of the hexagonal lattice. A small amount of Pd loading…

Catalytic Processes in Materials ScienceGas Sensing Nanomaterials and SensorsCatalysis and Oxidation Reactions

Crystallization of ultrathin poly(3-hydroxybutyrate) films in blends with small amounts of poly( l -lactic acid): correlation between film thickness and molecular weight of poly( l -lactic acid)

Khasanah Khasanah、Isao Takahashi、Kummetha Raghunatha Reddy 等 4 位作者2017-01-01RSC Advances

The crystallization behavior of poly(3-hydroxybutyrate) (PHB) films in blends with small amounts of poly( l -lactic acids) (PLLAs) was investigated by grazing incidence X-ray diffraction (GIXD) and infrared-reflection absorption spectroscopy (IRRAS).

biodegradable polymer synthesis and propertiesMicroplastics and Plastic PollutionCarbon dioxide utilization in catalysis

Кристаллическая структура и диэлектрические свойства слоистых перовскитоподобных твердых растворов Bi-=SUB=-3-x-=/SUB=-Y-=SUB=-x-=/SUB=-TiNbO-=SUB=-9-=/SUB=- (x =0.0,0.1,0.2,0.3) с высокой температурой Кюри

S. V. Zubkov、В. Г. Власенко2017-01-01Physics of the Solid State

Исследованы структурные и электрофизические характеристики ряда твердых растворов слоистых перовскитоподобных оксидов Bi3-x YxTiNbO9 (x=0.0, 0.1, 0.2, 0.3). По данным порошковой рентгеновской дифракции установлено, что все соединения являются однофазными, имеющими структуру двухслойных фаз Ауривиллиуса (m=2) с ортором…

Ferroelectric and Piezoelectric MaterialsInorganic Chemistry and MaterialsThermal Expansion and Ionic Conductivity

Reduced Graphene Oxide/Azo Naphthol Derivative Modified Glassy Carbon Electrode for Sensitive Electroanalysis of Riluzole

Foroozan Hasanpour、Mohsen Nekoeinia、Zeinab Razavipour2017-01-01Journal of The Electrochemical Society

The aim of present work is fabrication of modified electrode with a large surface area and high electrical conductivity for sensitive electrochemical determination of riluzole since it was determined only with the bare electrodes.For this purpose, the surface of glassy carbon was modified by simultaneous electrodeposi…

Electrochemical sensors and biosensorsConducting polymers and applicationsElectrochemical Analysis and Applications

Review on the Characteristical behavior of Advanced 3D Spacer Composites

Jerrin Thadathil Varghese、TJPRC2017-01-01International journal of mechanical and production engineering research and development

This literature reviews on several important published literatures on three dimensional composite materials. The review studies the numerous effects that lead to the failure of the composite material.

Cellular and Composite StructuresAdditive Manufacturing and 3D Printing TechnologiesMaterial Properties and Applications

A Comparative Study on the Application of Optical Brightening Agent on Cotton Knitted Fabric in One Bath and Two Bath Exhaust Method

Luthfar Rahman Liman、Tarikul Islam、Bappi Sarker 等 5 位作者2017-01-01International Journal of Textile Science

The aim of this project work is to study on the application method of OBA on 100% cotton knitted fabric. Single jersey cotton knitted fabric (160 GSM) was treated with OBA in one bath exhaust method varying the concentration of OBA from 0.5 to 5%. The samples were then tested for determination of absorbency, whiteness…

Dyeing and Modifying Textile FibersTextile materials and evaluationsColor Science and Applications

Anode Catalyst for the Direct Borohydride Fuel Cell

Tianxiao Xiao、DUAN Ru-Xia、ZHAO Li-Juan 等 4 位作者2017-01-01Journal of Inorganic Materials

Direct borohydride fuel cell (DBFC) is currently attracted attentions due to its high theoretical cell voltage and power density. However, the anode catalyst of this type of battery is one of the key factors that decide the battery performance. A lot of researches have been done to improve catalytic activity and decre…

Fuel Cells and Related MaterialsHydrogen Storage and MaterialsNuclear Materials and Properties

Analysis and modeling of the failure behavior of carbonitrided parts

Cyprien Karolak、Pierre Montmitonnet、David M. Parks 等 5 位作者2017-01-01Procedia Engineering

This work aims at a better understanding and modeling of the failure of carbonitrided pinions made out of 20MnB5 steel. Carbonitriding is a thermochemical treatment inducing high surface hardness while preserving significant core ductility. This results in graded microstructure and properties which makes the predictio…

Metal and Thin Film MechanicsHydrogen embrittlement and corrosion behaviors in metalsMetal Alloys Wear and Properties

Proposal of a numerical model using the finite element analysis of pilger rolling for improvement of computation precision and efficiency

Tsuyoshi Muraoka、Takashi Kuboki、Shohei Kajikawa 等 5 位作者2017-01-01Procedia Engineering

This paper presents a new numerical analysis method for cold pilger rolling which leads to compatible improvement of analysis accuracy and shortening calculation time. In pilger rolling, a raw tube is rolled by dozens of “shots”, which is repetitive reciprocating movement of caliber rolls. Previous studies carried out…

Microstructure and Mechanical Properties of SteelsMetallurgy and Material FormingMetal Alloys Wear and Properties

On the Local Filtration Properties of LignoBoost lignin: Studies of the influence of xylan and ionic strength

Julie Durruty2017-01-01Chalmers Research (Chalmers University of Technology)

Kraft pulping technology is currently the most commonly-used method for producing paper pulp from wood. A new and promising opportunity for Kraft pulp mills is to take a step towards becoming biorefineries by implementing technologies able to extract and convert the organic by-products, such as lignin, into a wide ran…

Biofuel production and bioconversionAdvanced Cellulose Research StudiesLignin and Wood Chemistry

The Initiation Mechanism of Plastic Strain Localization Bands and Acoustic Anisotropy

Ekaterina Alekseeva、Alexader K. Belyaev、A. I. Grishchenko 等 7 位作者2017-01-01Procedia Structural Integrity

The plastic strain localization in metals takes place, as a rule, at large strains and therefore it can be considered as an important indicator of failure. Detection of plastic strain localization allows us to improve technical diagnostics. However, there is no consensus on the leading mechanism of such localization.…

Ultrasonics and Acoustic Wave PropagationHigh-Velocity Impact and Material BehaviorMaterial Properties and Failure Mechanisms