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418 articles for “bonding”
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Temperature Rise within the Pulp Chamber During Curing Resin based Composite By LED and QTH Light Curing Units: An In vitro Study
Abstract: The present study was undertaken to evaluate the change in temperature within the pulp space during curing of composite resins using light emitting diode (LED) and quartz tungsten halogen curing units (QTH) under varying remaining dentin thickness. 60 human mandibular molars were taken and distal root of each sample was resected and the thermocouple probe was placed in the roof of the pulp space. The root was immersed in a …
Published in Research and Reviews: A Journal of Dentistry · Vol. 3, Issue 3, 2012 · pp. 14–22 Read article
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High Frequency Design Approach and Feasibility Study of HBT Based W-band (90.0 GHz-100.0 GHz) Amplifier using 130 nm SiGe Based BiCMOS Technology
Abstract: This paper present high frequency design approach and feasibility study of HBT (Hetero Junction Bipolar Transistor) based two-stage cascode amplifiers at W-band (90.0 GHz-100.0 GHz). The proposed amplifier has design using 130 nm SiGe based BiCMOS technology. This paper used low cost technology for designing of w-band amplifier and this is novelty of this paper. The schematic design and feasibility study has been carried out using Cadence software. The selection …
Published in International Journal of Digital Communication and Analog Signals Read article
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Review in Friction Stud Welding of Aluminium to Steel
Abstract: The demand for friction stud welded aluminum/steel joints has increased in many significant applications including cryogenics, structural engineering, spacecraft, rocket fuel tanks and high vacuum chambers owing to their superior properties. In automobile engineering, there is a requirement to join a mild steel earthing pin which is in the shape of a stud to an aluminum car body. Aluminum and steel was considered to join using friction stud welding. This …
Published in Journal of Thermal Engineering and Applications Read article
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Short Report to Describe the Surface-driven Microfluidic Flow in Fluid Mechanics
Abstract: In this short report, a brief review on surface-driven microfluidic flow is provided. Also, the maskless lithography and indirect bonding technique are used to fabricate a single SU-8 based glass microfluidic device. Dyed ethylene glycol is prepared as working liquid to test the fabricated device. The surface-driven microfluidic flow of dyed ethylene glycol is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of …
Published in Recent Trends in Fluid Mechanics Read article
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The Theoretical and Experimental Study of the Behavior of the Mercury Drop, Fixed on the Glass Bottom of Vessel with Fluid, Under the Acceleration of Gravity Change
Abstract: At present time, accumulated theoretical material of the studies of the equilibrium forms of the gas bubbles or mercury drops, fixed on the surface of solid material in the fluid or on the glass bottom of vessel with fluid, under the acceleration of gravity change, was carried out either on the basis of geometric similarity laws that greatly simplify the essence of physical processes, or on the basis of theoretical …
Published in Recent Trends in Fluid Mechanics Read article
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Design and Thermal Analysis of Y2O3ZrO2 Ceramic Coated IC Engine Piston Based on FEA
Abstract: This paper includes the design and thermal analysis of an uncoated & coated IC engine piston made of aluminium-silicon alloy. Thermal analysis is performed on pistons cylinder comprised of aluminium alloys covered with artistic material (Y2O3ZrO2). The bonding is done by unique material (Ni-Cr-Al). Designing is done by appropriate machine design approach and the piston dimensions are determined by finite element analysis (FEA). FEA was performed using ANSYS. The coating …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation Read article
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Semiconductor Physics and Micron Scale Fluid Mechanics towards the Microelectromechanical Systems Associated with Nanotechnology
Abstract: Interrelations among semiconductor physics, microfluidics, nanofluidics and nanotechnology are briefly described. A single microchannel bend is designed and fabricated by author using the maskless lithography, hot embossing lithography and direct bonding. Dyed water is the selected and prepared working liquid in this work. Surface-driven (passive) capillary flow of working liquid is recorded in the fabricated microchannel bend using a CMOS camera. This work may be useful in applied chemistry.
Published in Research & Reviews : Journal of Physics Read article
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A Study on Breast-feeding Self-Efficacy and Its Associated Factors Among Mothers
Abstract: Introduction: The process through which a kid is fed human breast milk is known as breastfeeding. Breastfeeding has a significant impact on disease prevention and health promotion. It helps to increase bonding with baby and mother. Oestrogen, progesterone, prolactin, and oxytocin are the four primary hormones that contribute to the production of breastmilk. A modifiable element that can improve breastfeeding success and duration is breastfeeding self-efficacy. Aim: To evaluate mothers' …
Published in International Journal of Midwifery Nursing And Practices · Vol. 1, Issue 1, 2023 · pp. 31–36 Read article
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Properties of Concrete with Reinforcement Eggshell Powder As Cement
Abstract: Many people choose concrete because of its reputation for durability and dependability. Concrete is not only strong and consistent, but also energy efficient, design flexible, cheap, and generally ecofriendly. In addition to protecting natural ecosystems, stable civilizations often make plans for further industrialization and urbanization. As long as it is utilized in a compositionally flexible and ecologically friendly way, concrete may be used to create aesthetically stunning structures. Inadequate domestic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 46–52 Read article
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Anisotropic Debye-Waller Factors and Debye Temperatures in Hexagonal Close-Packed Elements: A Comprehensive Compilation and Analysis
Abstract: In this study, we have investigated the anisotropic behavior of Debye-Waller factors (DWFs) and Debye temperatures (DTs) in three distinct materials: hexagonal rhenium (Re), osmium (Os), and thallium (Tl). We conducted a comparative analysis, aligning our experimental data on directional Debye temperatures with theoretical calculations. This exercise provided valuable insights into the concurrence between practical and theoretical approaches, thereby offering a critical evaluation of the accuracy and reliability of theoretical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 32–39 Read article
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Experimental Investigation on Heat Transfer Characteristics of Thermal Barrier Coating on Aero Engine Components
Abstract: The gas turbine blades play a crucial role in harnessing energy from the high-temperature and highpressure gas generated by the combustor. To withstand this challenging environment, turbine blades often employ super-alloys and incorporate new manufacturing technologies such as Direct Solidification (DS) and Single Crystal (SC). Additionally, the development of advanced ceramic Thermal Barrier Coating (TBC) is imperative to achieve higher operating temperatures (>1200°C). Therefore, the primary focus of this study …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 50–58 Read article
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Types and Applications of Chemochromic Sensors
Abstract: Smart materials, also known as responsive or intelligent materials such as chemochromic materials changes colour upon exposure to a different environment or when react with different chemicals. Chemo chromic sensors are specially designed for robustness and can be used for leak detection in the vicinity of connections, valves, or Hydrogen line outlets. They can be altered, nevertheless, for a variety of uses. These are the materials whose colors and reflective …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 17–22 Read article
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Mechanical Characterization of Adhesive in Lap Joint Under Tensile Load
Abstract: The present work gives details of adhesive characterization in lap joints under quasi static tensile failure load. Rivets are major threat for an aircraft structure because of high stress concentration at lesser area ease to failure and also causes drag in aerodynamic perspective. Researchers are searching for a different method to avoid the stress concentrations in lesser area. The use of adhesives instead of rivets is most feasible solution for …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 96–103 Read article
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An overview of dissimilar metals welding by cold metal transfer technique
Abstract: Cold Metal Transfer (CMT) welding has emerged as a promising technique for joining dissimilar materials, offering enhanced weld quality and mechanical properties. This review article explores the application of CMT welding in joining different metal alloys, focusing on two significant cases: magnesium-aluminium and aluminium-stainless steel combinations. CMT welding minimizes intermetallic compound formation and produces high-strength joints in magnesium-aluminium combinations. CMT welding with a friction-surfaced aluminum coating offers strong metallurgical bonding …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 167–174 Read article
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Preparation of New Analytical Reagents and Study of Chromatographic Separation
Abstract: There are various types of diagnostic reagents in the laboratory, which involve many specializations in analytical chemistry and detection of pollution levels in river water and environmental pollution, as well as in the preparation of reagents that form as reagents and complexes with elements. Several techniques are shown here in an endless flow, and it is difficult Simply classify them according to a certain principle.; From a methodological point of …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 · pp. 44–58 Read article
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A Review of Recent Advancements in the Field of Friction Stir Welding of Dissimilar Joints Made of Aluminium and Magnesium
Abstract: Friction stir welding (FSW) stands at the forefront of welding technology, offering a promising avenue for joining dissimilar metals like aluminum and magnesium. These metals, renowned for their exceptional properties such as ductility, thermal conductivity, low density, and impressive weight-to-strength ratios, find wide utility across numerous industrial sectors. However, traditional fusion welding methods often struggle to effectively join aluminum and magnesium due to their disparate physical and chemical characteristics. FSW …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 134–142 Read article
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Decoding ‘I Do’s and ‘I Don’ts’: Exploring the Surge in Indian Divorce Rates
Abstract: The research explores the evolving dynamics of marriage and divorce in India, highlighting the rise in divorce rates due to increased stress, lack of bonds, and female independence. The study argues that women's financial self-sufficiency has led to a decrease in their willingness to tolerate unsatisfactory or abusive marriages. The research also emphasizes the influence of urbanization, Westernization, and changing attitudes toward marriage as factors contributing to the increase in …
Published in Recent Trends in Social Studies · Vol. 1, Issue 1, 2024 · pp. 17–24 Read article
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A Study of The Performance of surface modified NACA 2416 Airfoils at various Angles of Attach at Re80000
Abstract: In the present investigation the effect of compressive strength of core and precast concrete on the behavior of columns retrofitted by attaching precast segments and followed by FRP wrapping through Finite Element Analysis. A rectangular column converted into an elliptical column by attaching precast segment is modeled using ANSYS workbench, A Finite Element Analysis software. A Finite Element Model is developed, considering various structural parameters such as grades of core …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 302–310 Read article
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A Study to Assess the Effectiveness of Cradle Hold Position on the Gratification During Breastfeeding Among Postnatal Mothers Admitted at Selected Maternity Hospitals in South Bangalore, Karnataka
Abstract: This study aims to assess the effectiveness of the cradle hold position on the satisfaction experienced during breastfeeding among postnatal mothers admitted at selected maternity hospitals in south Bangalore, Karnataka. The cradle hold position is a commonly used breastfeeding technique where the mother supports the baby's head with one hand and holds the baby's body with the other arm, bringing the baby's mouth to the breast. The level of satisfaction …
Published in International Journal of Women's Health Nursing And Practices · Vol. 2, Issue 1, 2024 · pp. 30–36 Read article
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Chompound contaning oxadiazole derivatives and their potential therapeutic uses.
Abstract: Derivatives of oxadiazole or furadi azole rings constitute a significant class of heterocyclic substances. Oxadiazole is a heterocyclic, five-membered ring with two carbons, one oxygen atom, two nitrogen atoms, and two double bonds. They are produced by substituting two nitrogen (-N =) atoms for two methylene groups (= CH) in furan. The furan ring's aromaticity was significantly decreased by substituting these groups, resulting in a conjugated diene character. There were …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 1, 2024 · pp. 68–74 Read article