The processing of advanced functional ceramic powders and suspensions into useful engineering components has been investigated via a series of research projects each focusing on a different stage of the manufacturing route viz., (i) the ability to control the agglomerates present [....] » Read More
Conventionally, joining of ceramic materials by brazing is performed by a two-step process. The first step consists in coating the ceramic surface with a metal layer in order to improve wettability and the second one consists in brazing using a non-reactive brazing alloy with the [....] » Read More
Optical transceivers that function under a high-speed rate condition are demanded to have more optical power ability to overcome the power losses which is a cause of the need of using a larger RF line connected to the Mach-Zehnder modulator for fulfilling the high-speed condition [....] » Read More
The presentation is an extension of the contents of the CRC book E. Suhir, Avoiding Inelastic Strains in Solder Joint Interconnections of IC Devices, CRC Press, Boca Raton, Florida, 2021. Three practically important problems associated with the reliability of solder joint interco [....] » Read More
A Kretschmann configuration surface plasmon resonance (SPR) sensor is proposed to detect the chirality parameter and refractive index of chiral biomolecules based on the propagation matrix method in this paper. Biomolecules exhibit optical activity (chirality, enantiomerism) that [....] » Read More
Electrical power suppliers have addressed a significant amount of energy consumption while stimulating the invention of different types of energy sources. Secondary batteries are a powerful energy storage technology for portable electric instruments and vehicles, mostly relying o [....] » Read More
Compartmentalization is fundamental in nature, where the spatial segregation of biochemical reactions within and between cells ensures optimal conditions for the regulation of cascade reactions. One of the most promising strategies to mimic nature compartimentalization is to comb [....] » Read More
Considering the European Union, the construction and built environment sector is responsible for 5-12% of total greenhouse gas emissions in connection with the extraction of materials and the manufacture of construction products. It has been estimated that more efficient material [....] » Read More
Lithium-ion batteries have been widely used in electronic devices due to their high energy density, long cycling stability, and long lifespan compared to other battery technologies. However, their large-scale implementation in electric vehicles and energy systems of power stati [....] » Read More
Welding technologies are the most popular technologies used in the joining of steels. Increasing demands concerning the quality of welded joints and the need to increase the efficiency of the welding process force designers and technologists to look for new and innovative joining [....] » Read More
The foundation of low temperature co-fired ceramic technology (LTCC) is the sintering of multi-layered thick-film sheets (50-250 m) or green tapes, which are screen-printed with thick-film pastes like conductors, resistors, and other components. The words low temperature &n [....] » Read More
Background: Despite the low rates of complications of bariatric surgery, gastrointestinal leaks are major adverse events that increase post-operative morbidity and mortality. Endoscopic treatment using selfexpanding stents has been used in the therapeutic management of these comp [....] » Read More
Accidents and even catastrophes with people casualties during spacecraft launching quite often occur in different countries. They cause considerable direct material and human losses. The most well-known example is the catastrophe of Columbia spacecraft in 2003 in which all seven [....] » Read More
The self-diffusion coefficients and particle lifetimes (t) of the Lennard-Jones liquid in the first coordination sphere of their neighbors were studied by the molecular dynamics simulation for system packing fractions from 0.1 to 0.8. It turned out that the distribution of t is c [....] » Read More
In the present investigation, the effect of microstructure and texture on the evolution of mechanical properties during recrystallization for 80% unidirectionally cold rolled UNS S32101 lean duplex stainless steel (LDSS) sheet was investigated. Microstructures were observed using [....] » Read More
Thin film multilayers composed of alternating layers of magnetic and nonmagnetic layers have attracted the scientific community due to their interesting magnetic properties and industrial applications. We have investigated metal-silicon multilayers in which the Fe layers ar [....] » Read More
Protein elicitors play a key role in signaling or displaying plant defense mechanism and emerging as vital tools for bio-control of insects.This study was aimed the characterization of the novel protein elicitor isolated from entomopathogenic fungi Lecanicillium lecanii (V3) stra [....] » Read More
Over the last few years, rapid urbanization and poor regulation have resulted in continuous degradation of the natural ecosystem due to unrestrained wastewater flow from numerous industries, hospital wastes, and labs. However, traditional treatment methods, primarily biological w [....] » Read More
With advances of 3D printing technologies, possibilities to produce patient specific cranioplasty emerged, as an alternative to the use of autologous bone. In our study, three different strategies were applied exploiting Fused Deposition Modeling (FDM) additive manufacturing, an [....] » Read More
Shape memory alloys take place in a class of adaptive structural materials called smart materials by giving stimulus response to changes in the external conditions. These alloys exhibit a peculiar property called shape memory effect. These alloys are functional materials with the [....] » Read More
This seminar focuses on the usage of nanotechnology in different fields of engineering. So, the listener or readers will find valuable information as to how nanotechnology can help in improving our life of materials exposed to many circumstances, starting from the medieval period [....] » Read More
The design of composite and reinforced or armed materials is a requirement of the modern level of production and life. Many methods of calculation and design of such materials are successfully used. In this article , for the design of composite and rein-forced materials, a techni [....] » Read More
Two common procedures are used for prestressing a concrete member through reinforcement: pre-tensioning and post-tensioning. In the former case, the prestressing reinforcement is tensioned in a casting bed prior casting the concrete, and the prestressing force is transferred to t [....] » Read More
Aluminium matrix composites (AMCs) are widely used in the automotive, aerospace, and shipping industries owing to their high strength-to-weight ratio properties. Several well-established processes are reported in the literature to produce AMCs. However, accumulative roll bonding [....] » Read More
Diluted magnetic semiconductor materials based on A3B5 compounds and 3d-metals eutectic composites, having a stable composition and properties,are promising materials for spintronic devices. One of the main features of eutectic composites obtained based on InAs, InSb, GaSb, GaSe [....] » Read More
The main features of the method of high-voltage consolidation of powder materials and the resulting advantages and limitations of this method are considered. The method of high-voltage consolidation of powders is effective for the production of refractory composite materials th [....] » Read More
Heterostructure based devices has shown great potential in optoelectronic field especially in optical communication. Heterostructure optoelectronic devices have been fabricated with unique morphology which exhibit higher photocurrent generation and significantly enhanced responsi [....] » Read More
Concrete is the most important material in the construction sector because of easy availability, high strength, fire resistance and easy to form to a required shape, etc. Concrete is made by mixing of cement, fine aggregate, coarse aggregate and water. Every year, the need [....] » Read More
In this study, a novel, low-cost and efficient adsorbent was fabricated through a solvothermal method. The adsorbent consists of cellulose acetate (CA) substrate as a support membrane and MOF-5/crystalline nanocellulose embedded on it. The performance of the material was evaluate [....] » Read More
The influence of uncertainty in material properties on free vibration and the aeroelastic response of variable stiffness composite laminated plates is investigated in this work. Free vibration analysis is conducted by a finite element model based on third-order shear deformation [....] » Read More
Polymer Nanofibers (NFs) produced by electrospinning technique, are an appealing alternative to traditional water treatment methods because of their unique properties such as high porosity, high gas permeability, small pore size and large surface area to volume ratio, resulting i [....] » Read More
The development of flexible and stretchable electronic devices such as solar cells, touch screen displays, light emitting diodes, flexible batteries, and sensors are the essential requirement of modern era. The essential components of these devices are electrodes, which should be [....] » Read More
Ni-Mn based ferromagnetic Heusler alloys have gained much attention because they have applications in many areas such as magnetic refrigeration, sensors, magneto-mechanical devices and energy-harvesting devices. In present work we investigate the structural, martensitic [....] » Read More
Halophytic biomass is an abundant source of polysaccharides as they have a boundless supply of carbohydrates, which could be thought as the ultimate substrate and can be renewed into valuable chemicals and compounds such as methylcellulose and cellulosic nanofibers. Due to its mo [....] » Read More
Nowadays, nanotechnology and the use of its components, i.e. nanoparticles, have successfully improved the situation of industries in advancing production goals. Among these nanoparticles, SnO2 or tin dioxide nanoparticle, which was used in this study, can be mentioned. Tin dioxi [....] » Read More
Saudi Aramco/ South Ghawar Producing Department (SGPD) has exerted substantial efforts toward executing a seldom project of replacing numbers of extraordinary vessels. These horizontal vessels were recommended for replacement due to major and excessive Step Wise Cracking, irregul [....] » Read More
Additive Manufacturing(AM) is a new technology that gives new possibilities for the manufacturing of complex-shaped products. It enables designers to create a real product based on a CAD model. In AM, Fused Deposition Modelling (FDM) is one of the widely used and promising extrus [....] » Read More
New effective method of forming homogeneous or given spatial distribution of the directivity diagram of diode lasers radiation based on application of multiple-beam-reflection (beam-splitting) phenomenon in anisotropic environments is developed. It was ascertained that the unifo [....] » Read More
The work is devoted to an experimental study of the effect of reinforcement on the strength and stiffness characteristics of masonry made of ceramic blocks. Laboratory tests were carried out on masonry reinforced with metal and fiberglass reinforcement mesh. Experimental data on [....] » Read More
The aim of the study is to develop optimal conditions for obtaining toluene extract and humic acids from brown coal of Ukraine, as well as to determine their proximate and ultimate analysis, aromatic carbon content, degrees of hydrogen unsaturation and molecular association of or [....] » Read More
Current research work was conducted to synthesize Thiol modified arabinoxylan and its application in fabrication of hydrogel. Thioglycolic acid was esterified with arabinoxylan to prepare Thiolatedarabinoxylan. Appearance of peak at 2533.34 cm−1 in FTIR and thio [....] » Read More
Today, Lithium ion batteries have been used extensively in mobile electronic devices. Especially for electric vehicles, usually these kind of batteries are widely implemented. These intensive applications of Lithium ion batteries have motivated the researchers to focus a great de [....] » Read More
Some theoretical aspects of submarine research imparting The submarine with greater speed and reducing itf s vulnerability. I suggest, minimising the vulnerability of an aircraft or a submarine by an arrangement concealing the posterior portion of the aircraft/submar [....] » Read More
Lithium ion batteries are widely used for providing energy of mobile electronic devices. Graphite is a traditional anode material that has been used in almost all of the commercialized Lithium ion batteries. It gives a specific capacity of 372 mAh/g for Lithium storage. But there [....] » Read More
When a force is applied to a substance, it permeates to it's internal body where a multitude of atoms are arranged in a definite or indefinite manner. The force applied causes electrons to move From higher to lower as well as lower to higher energy orbits. When this fo [....] » Read More
Title : Improving the surface properties of materials and biomaterials by electrochemical methods
Lidia Benea, Dunarea de Jos University of Galati, Romania
In recent years, the development of nanotechnology and nanomaterials has promoted an explosion of new functional coatings and this trend will continue to grow in the coming years. Functional and intelligent coatings are undoubtedly a class of materials of enormous technological i [....] » Read More
Title : The strategies and promise of nanoparticle based target therapeutics in head and neck cancer
Yong Teng, Emory University, United States
Head and neck cancer (HNC) represents an aggressive and heterogenous group of cancers whose pathologies remain largely unresolved. Despite recent advances in HNC therapeutic strategies, the overall survival of HNC patients remains poor and continues to prompt efforts to develop m [....] » Read More
Title : Nano implants: Human clinical success in the spine
Thomas J Webster, Interstellar Therapeutics, United States
Nanomaterials have been widely tested in vitro and in small order animal studies for decades. Results have shown greater tissue growth, decreased bacteria growth, and inhibited inflammation. However, few, if any, studies exist examining human tissue response to nanomaterials. Thi [....] » Read More
Title : A review of narrow band ultraviolet B light emissions in Gd3 activated phosphor host materials
Leelakrishna Reddy, University of Johannesburg, South Africa
In this review we have studied several research papers related to narrow-band (NB) ultraviolet light- B (UVB) emissions of Gd3+ doped phosphor materials in different host lattices. Ideal inorganic wide band host matrices such as phosphates, borates and fluorides are considered in [....] » Read More
Title : Mechanism of ionic conduction in AgI-based superionic conducting glasses: A relation between charge carrier concentration and mobility of ions
Masahiro Ikeda, National Institute of Technology, Japan
Superionic conducting glasses such as AgI-based oxide glasses are known as one of the best solid electrolytes exhibiting high ionic conductivity comparable to the case of liquid electrolytes. However, the origin of the high ionic conductivity, as well as the relations with the st [....] » Read More
Title : Titanium carbide: A new 2D material for photoelectrochemical biosensors
Adriel Tan Yan Sheng, University of Nottingham, Malaysia
2D materials that contain carbon such as graphene, graphitic carbon nitride and graphene oxide have been well utilized in photoelectrochemical biosensing. Each of the material has its unique role, whether as a conductive material (graphene, reduced graphene oxide), a photoactiv [....] » Read More
Title : Fume hazard during laser and hybrid welding of stainless steel
Joanna Wycislik Sosnierz, Upper Silesian Institute of Technology, Poland
Due to their properties, stainless steels are used in many industrial branches, e.g. power, chemical, petrochemical, automotive and food industries. The main joining methods of these materials are gas shielded arc welding processes – (MIG/MAG and TIG). However, in recent ye [....] » Read More
Title : External fields assisted synthesis of high performance aluminum matrix composites
Soban Muddassir Dar, Jiangsu University, China
Automotive and aircraft industries have great potential for use of high performance aluminum matrix composites (AMCs) in light-weight and energy efficient vehicles. External field assisted synthesis of in-situ AMCs provides greater control over ceramic reinforcement particles&rsq [....] » Read More
Title : Cotransport of heavy metals and suspended particles at different temperatures by seepage in porous materials
Bai Bing, Beijing Jiaotong University, China
The transport of heavy metals (HMs) in groundwater and the resulting interactions between HMs and the soil medium are vital topics in environmental geotechnology. The cotransport of HMs and shell powders (SPs) in a porous medium (SiO2 particles) at different temperatures was inve [....] » Read More
Title : Towards a more rational design of polymer-based coating of gold nanoparticles
Roberta Cappabianca, Politecnico di Torino, Italy
The rapid development of nanotechnology has strongly encouraged scientific research in the field of manufacturing, characterization, and use of nanoparticles. Recently, gold nanoparticles (AuNPs) have become the subject of intense research due to their optical, electronic, and mo [....] » Read More
Title : Interdependence of morphological electrical and magnetic properties of cu-substituted ni-zn-mg nano-crystalline ferrite
Milind Bhandare, Mahatma Phule Mahavidyalaya Pimpri Pune university, India
Ferrites having chemical formula, Ni0.5-xCuxZn0.3Mg0.2Fe2O4 with x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5 have been prepared by auto-combustion route. Field emission scanning electron microscopy (FE-SEM) micrographs show that samples have nano-crystalline behavior and show spherica [....] » Read More
Title : Oxygen vacancies based modifications in properties of Sr doped Nd2NiMnO6
Khalid Sultan, Central University of Kashmir, India
In this paper we have discussed about the structural and dielectric properties of Sr doped Nd2NiMnO6. There is no effect on the structure of compound Nd2NiMnO6 if doped upto the Sr concentration of x=0.3 in Nd2-xSrxNiMnO6 and the observed structure is monoclinic indexed with P21/ [....] » Read More
Title : Spectroscopic analysis of rare earth ions doped nanomaterial
Yogesh Kumar Sharma, Pt. L.M.S.Sri Dev Suman Uttarakhand University Campus, India
Rare Earth ions doped nanomaterial were prepared by chemical precipitation method and characterized by XRD, SEM, TEM and EDAX. Their absorption and fluorescence spectra have been recorded in UV-Visible and NIR region. The XRD study revealed the spherical wurtzite structure withou [....] » Read More
Title : Jelly fig polysaccharide based biocompatible hydrogel loaded with lauric acid for wound tissue regeneration: An in vitro study
Thangavel Ponrasu, Indian Institute of Technology Madras, India
Tissue regeneration is an essential process to maintain, restore a normal anatomical structure and function of the skin. Natural biopolymer-based polymeric hydrogels are capable of absorbing a large quantity of water to maintain the moisture environment at the wound site. The emi [....] » Read More
Title : Improving the reliability design of mechanical systems such as refrigerator
Seongwoo Woo, Addis Ababa Science & Technology University, Ethiopia
To enhance the lifetime of mechanical system such as automobile, new reliability methodology – parametric Accelerated Life Testing (ALT) – suggests to produce the reliability quantitative (RQ) specifications—mission cycle—for identifying the design defects [....] » Read More
Title : Damped response of sandwich composite structures integrated with MR fluid under Impulse loading
Saman Momeni, Sharif University of Technology, Iran (Islamic Republic of)
Laminated sandwich beam structures are being used in many applications, including wind turbine blades, helicopter blades,industries, and automobiles. The stability and integrity of such structures under impulse loading is a major concern for designers to ensu [....] » Read More
Title : Seismic isolator for masonry infills to reduce dynamic interaction with RC frames and steps towards a more environmental friendly design
Francisco J Pallares, ICITECH Universitat Politecnica de Valencia, Spain
In seismic design, conventional enclosures and partitions are usually treated as non-structural elements. Many seismic experiences around the World, such as the one that occurred in Lorca (Spain) in 2011, among others, emphasize the importance of considering all the elements taki [....] » Read More
Title : Inside the electron, a tentative theory about the electron nature
Samy Abdel hakim Abdel Hamid Elsayed, Beni Suef University, Egypt
The Phenomenological description of the electron motion as elliptic motion is observation from outside the electron. What happening inside the electron itself? What is the cause of the wave-particle duality [ 9] of the electron? What is the mechanism of the electron ab [....] » Read More
Title : Control over self-assembly towards smart material formation
Chandan Maity, Vellore Institute of Technology, India
Control over the formation of molecules and molecular architectures with specific precision are well known in Nature, directing vital process such as cell motility, intercellular transport etc. As a class of fascinating molecules, enzymes act as biological catalyst accelerating s [....] » Read More
Title : Polyoxometalates as electrocatalysts for rechargeable metal air batteries
Diogo M F Santos, Instituto Superior Tecnico, Portugal
Metal-air batteries (MABs) are promising electrochemical energy conversion and storage devices due to having high energy density, while being safer than most batteries. They are composed of a pure metal anode and use air in the cathode, making them significantly lighter and cheap [....] » Read More