Relevant bibliographies by topics / Bonding ratio

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Academic literature on the topic 'Bonding ratio'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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Journal articles on the topic "Bonding ratio"

Li, Hong, Miao-Quan Li, Wei-Xin Yu, and Hong-Bin Liu. "Significance and interaction of bonding parameters with bonding ratio in press bonding of TC4 alloy." Rare Metals 35, no. 3 (2014): 235–41. http://dx.doi.org/10.1007/s12598-014-0330-3.

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Li, Qingbo, Hongfei Wang, Mowen Xie, and Weinan Liu. "Calculation Method of Bonding Section of Joint Surface of Dangerous Rock Mass Based on Amplitude Ratio." Shock and Vibration 2020 (November 30, 2020): 1–9. http://dx.doi.org/10.1155/2020/8820639.

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In this study, through an analysis of vibration response characteristics of joint surface stiffness on dangerous rock mass, the relationship formula between amplitude ratio of the dangerous rock mass to the bedrock and the length of the bonding section of the joint surface is determined. The stability of the rock mass can be evaluated by combining the formula with the existing rock-mass limit equilibrium theory. This study proposes the existence of a resonance bonding length for the dangerous rock mass. When the length of the bonding section reaches the resonance bonding length, the dangerous

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Guo, Shan Shan, Yuan Yuan Jiang, Hao Zeng, Xiao Yong Wan, and Yong Jun Li. "Diffusion Bonding Performance of Copper Target for 300mm Integrated Circuit." Materials Science Forum 1035 (June 22, 2021): 692–97. http://dx.doi.org/10.4028/www.scientific.net/msf.1035.692.

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Ultra-pure copper sputtering target is a key material widely used in large-scale integrated circuits with 90-28 nm feature size. The copper target for 300 mm integrated circuit requires a reliable diffusion bonding between the ultra-pure copper target and the copper alloy backplate. The bonding ratio and bonding strength of diffusion bonding should reach over 99% and 80 MPa respectively. In this paper, the ascendant structure of electron beam welding united diffusion bonding with high quality was designed. The ultra-pure copper target and the C18000 copper alloy backplate were machined to coor

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Mei, Han, Lihui Lang, Xiaoxing Li, Hasnain Ali Mirza, and Xiaoguang Yang. "Prediction of Tensile Strength and Deformation of Diffusion Bonding Joint for Inconel 718 Using Deep Neural Network." Metals 10, no. 9 (2020): 1266. http://dx.doi.org/10.3390/met10091266.

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Due to the acceptable high-temperature deformation resistance of Inconel 718, its welding parameters such as bonding temperature and pressure are inevitably higher than those of general metals. As a result of the existing punitive processing environment, it is essential to control the deformation of parts while ensuring the bonding performance. In this research, diffusion bonding experiments based on the Taguchi method (TM) are conducted, and the uniaxial tensile strength and deformation ratio of the experimental joints are measured. According to experimental data, a deep neural network (DNN)

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Yoshida, Yoshinori, Takamasa Matsubara, Keisuke Yasui, Takashi Ishikawa, and Tomoaki Suganuma. "Influence of Processing Parameters on Bonding Conditions in Backward Extrusion Forged Bonding." Key Engineering Materials 504-506 (February 2012): 387–92. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.387.

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In this study, conditions of metallurgical bonding between steel and aluminum in cold forging process is investigated. Two-layered cylindrical cup of the materials is produced in cold backward extrusion in five processing velocity conditions. Small tensile test specimens are cut off at the bonding boundary in the product using a wire-cutting machine and the bonding strength on the boundary is measured in tensile test using the specimens. Fractured contact surfaces are observed with an electron microscope for investigation of bonding. Finite element analyses for the backward extrusion are condu

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Li, Xiujun, Zhipeng Zhang, Hao Liu, et al. "Research on the Milling Characteristics of SBS Modified Asphalt Pavement with Different Service Years Using the Discrete Element Method." Materials 18, no. 14 (2025): 3226. https://doi.org/10.3390/ma18143226.

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The service years of the milled pavement are varied in numerous SBS modified asphalt pavement milling assignments. To investigate the milling characteristics of SBS (styrene–butadiene–styrene) modified asphalt pavements with different service years, the values of the bonding parameters were calibrated and verified and then used to build three simulation models for the milling of old asphalt pavements with service years of 2~3 years, 7~8 years, and 11~12 years, respectively. The milling characteristics of SBS modified asphalt pavements with different service years were investigated using the mo

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Yan, Lintong, Yunong Ye, Zhe Ji, Yijia Liu, Chenglong Zhou, and Song Liu. "The Stress Induced by the Epoxy Bonding Layer Changing in the Layered Hollow Spheres." Science of Advanced Materials 14, no. 4 (2022): 736–42. http://dx.doi.org/10.1166/sam.2022.4287.

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In order to solve the problem of the instability of the layered hollow spherical structure caused by the epoxy bonding layer cracking, peeling and destruction, an exact analytical solution of the multi-layered hollow sphere with epoxy bonding layer under point load is obtained. The influence of the epoxy bonding layer change on the stress of the layered hollow sphere is studied by using the methods of analytical solution and numerical calculation. Numerical calculation results show that the stress of the bonded layered structure is affected by the Young’s modulus, Poisson’s ratio and the thick

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Xu, Wei, Chengdong Xia, and Chengyuan Ni. "Numerical Simulation and Experimental Verification of Hot Roll Bonding of 7000 Series Aluminum Alloy Laminated Materials." Metals 14, no. 5 (2024): 551. http://dx.doi.org/10.3390/met14050551.

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In the present study, the hot roll bonding process of 7000 series aluminum alloy laminated materials was numerically simulated and investigated using the finite element method, and the process parameters were experimentally verified by properties testing and microstructure analysis after hot roll bonding. In the roll bonding process of aluminum alloy laminated materials, the effects of the intermediate layer, pass reduction ratio, rolling speed and thickness ratio of component layers were studied. The results of finite element simulations showed that the addition of a 701 intermediate layer in

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Aggarwal, A., and G. De Souza. "Effect of MDP/VBATDT ratio on zirconia-substrate bonding." Dental Materials 29 (January 2013): e1. http://dx.doi.org/10.1016/j.dental.2013.08.002.

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Lai, Andre, Nicolas Altemose, Jonathan A. White, and Aaron M. Streets. "On-ratio PDMS bonding for multilayer microfluidic device fabrication." Journal of Micromechanics and Microengineering 29, no. 10 (2019): 107001. http://dx.doi.org/10.1088/1361-6439/ab341e.

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Dissertations / Theses on the topic "Bonding ratio"

Hofmann, Lutz. "3D-Wafer Level Packaging approaches for MEMS by using Cu-based High Aspect Ratio Through Silicon Vias." Doctoral thesis, Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-231412.

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For mobile electronics such as Smartphones, Smartcards or wearable devices there is a trend towards an increasing functionality as well as miniaturisation. In this development Micro Electro- Mechanical Systems (MEMS) are an important key element for the realisation of functions such as motion detection. The specifications given by such devices together with the limited available space demand advanced packaging technologies. The 3D-Wafer Level Packaging (3D-WLP) enables one solution for a miniaturised MEMS package by using techniques such as Wafer Level Bonding (WLB) and Through Silicon Vias (T

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Aguilar, Boris. "Experimental study and numerical modeling of accretion phenomena of snow particles at the origin of the formation of accretions on aeronautical structures or civil engineering." Electronic Thesis or Diss., Toulouse, ISAE, 2024. http://www.theses.fr/2024ESAE0003.

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Pour garantir la sécurité des vols dans des conditions de neige, les constructeurs d'aéronefs doivent démontrer que chaque moteur et son système d'admission d'air peuvent fonctionner sur toute la plage de puissance de vol dans des conditions de neigeuse. Cette étude fait partie d'un effort visant à développer des modèles pour l'accumulation de neige.Pour établir le cadre de départ de ce travail sur la modélisation du givrage de la neige, le chapitre 1 est consacré à une revue de la littérature organisée en trois parties. Dans la première partie, les différents processus de création de neige da

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Wassermann, Alice. "Quantification multi-échelles de la dégradation d’un sable traité soumis à des cycles hydriques." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0085.

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Le traitement des sols, notamment par des liants hydrauliques ou de la chaux, est une technique très répandue pour améliorer les caractéristiques mécaniques d'un sol de qualité insuffisante. Après leur construction, les ouvrages en sols traités sont soumis à des sollicitations environnementales qui peuvent potentiellement altérer les effets du traitement, et donc conduire à la dégradation de la performance du sol traité. Dans ce contexte, l'objectif de la thèse est d'étudier l'impact de l'accumulation de cycles hydriques sur le comportement mécanique d'un sable traité au ciment. Une méthodolog

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Čižmáriková, Jitka. "Finanční analýza společnosti T-Mobile Czech Republic a.s." Master's thesis, Vysoká škola ekonomická v Praze, 2008. http://www.nusl.cz/ntk/nusl-10370.

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The purpose of this diploma theses is to demonstrate the comprehensive view on the "financial health" of T-Mobile Czech Republic a.s. through the financial analysis process between year 2003 and 2007 from the position of the external user. The theoretic part of this theses is focused on the brief history, definition and principle of the financial analysis, then on users of the financial analysis and information sources for its realization including the pointing out the limitation of predicative abilities of the accounting data. Understanding of the traditional but also new methods, which are a

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Hofmann, Lutz. "3D-Wafer Level Packaging approaches for MEMS by using Cu-based High Aspect Ratio Through Silicon Vias." Doctoral thesis, 2016. https://monarch.qucosa.de/id/qucosa%3A20832.

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Azari, Shahrokh. "Near-threshold Fatigue of Adhesive Joints: Effect of Mode Ratio, Bond Strength and Bondline Thickness." Thesis, 2010. http://hdl.handle.net/1807/32927.

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The main objective of the project was to establish a fracture-mechanics energy-based approach for the design of structural adhesive joints under cyclic loading. This required understanding how an adhesive system behaved near its fatigue threshold, and how the key factors affected this behavior in a fresh undegraded joint. The investigated factors were mode ratio (phase angle), substrate material, surface treatment and surface roughness (both affecting the bond strength), bondline thickness and load ratio. It was first required to understand how the adhesive system behaved under quasi-stati

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Chiou, Guo-Lin, and 邱國麟. "The study for anodic bonding of silicon and Pyrex7740 glass with intermedium metal film by radio frequency magnetron sputtering." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/09001915554678891911.

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碩士<br>國立彰化師範大學<br>機電工程學系<br>92<br>The study aims at the anodic bonding of P-type silicon and Pyrex 7740 glass with intermedium metal film by RF magnetron sputtering. The experimental parameters included the intermedium metal materials, film thickness, bonding temperature and bonding voltage, respectively. The Taguchi method was used to find the optimum bonding condition. The target functions included the increased maximum bonding current, charge bonding quantity, bonding area ratio and bonding strength, respectively. The maximum bonding current is measured using an amperemeter. The bonding are

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Books on the topic "Bonding ratio"

A, Kreigsmann Gregory, and Institute for Computer Applications in Science and Engineering., eds. Microwave heating and joining of ceramic cylinders: A mathematical model. Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1994.

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N0AX, H. Ward Silver, and ARRL Inc. Grounding and Bonding for the Radio Amateur. Amer Radio Relay League, 2017.

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Book chapters on the topic "Bonding ratio"

Jiang, Weihong, Wenhong Duan, Jiaquan Yuan, et al. "Experimental Study on Axial Compressive Properties of Early Strength and High Ductility Cement-Based Composite Concrete." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_16.

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AbstractCement concrete is widely used in various levels of highways, and it is prone to diseases such as cracking, potholes, and local collapse during operation. The maintenance and repair of existing cement concrete has become an important task in the daily operation and maintenance of roads and bridges. However, traditional cement-based repair materials have problems such as long maintenance periods and low bonding strength with existing concrete. In view of this, this article proposes an early strength and high ductility cement composite material, aiming to achieve good curing age, compres

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Duan, Wenhong, Jiaquan Yuan, Li Xiong, et al. "Research on Axial Tensile Mechanical Properties of Early-Strength High Ductility Cementitious Composites." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_35.

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AbstractCement concrete is widely used in pavement, bridge decks and expansion joint anchorage zones. It is prone to cracking, potholes, spalling and other diseases during use. Cement-based repair materials generally have problems such as a long curing period, low bonding strength with existing concrete, and insufficient mechanical properties. Given this, this paper proposes an early-strength high-ductility cement composite material with the goal of short curing age, excellent tensile mechanical properties and relatively low price. The tensile mechanical properties of the composite material at

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Ning, Yipeng, Biao Ren, Zhihang Wang, Ao Yao, He Huang, and Tengjiao Wang. "Effect of cement ratio on work and bonding properties of styrene acrylic emulsion-based cement composites." In Advances in Measurement Technology, Disaster Prevention and Mitigation. CRC Press, 2022. http://dx.doi.org/10.1201/9781003330172-67.

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Asaji, Tetsuo. "Isotope ratio of Cl NQR spin-lattice relaxation times in 1D hydrogen-bonding system of tetramethylpyrazine-chloranilic acid at high temperatures." In HFI / NQI 2012. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-6479-8_38.

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Atkins, Peter, Julio de Paula, and Ronald Friedman. "Bonding in solids." In Physical Chemistry: Quanta, Matter, and Change. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199609819.003.0051.

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Contents Metallic solids 343 Close packing 343 Example 38.1: Calculating a packing fraction 344 Electronic structure of metals 345 Brief illustration 38.1: Energy levels in a band 346 Ionic solids 347 Structure 347 Brief illustration 38.2: The radius ratio 348...

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Keeler, James, and Peter Wothers. "Bonding between the elements." In Chemical Structure and Reactivity. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199604135.003.0010.

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This chapter describes what happens when different elements combine. The sizes of the orbitals involved and the number of valence electrons is important when considering the bonding in the elements, but when different elements combine there is the added complication that their orbital energies will be different. This leads to the possibilities of polar bonds and compounds in which electrons have essentially been transferred from one element to another, i.e. ionic compounds. Depending on the energy separation of the orbitals involved, the bonding can vary on a spectrum from purely covalent to i

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Burrows, Andrew, John Holman, Simon Lancaster, et al. "Solids." In Chemistry3. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780198829980.003.0006.

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This chapter looks closely at covalent, metallic, and ionic bonding in solid state structures, which is important as the properties of solid state materials depend on their structures and bonding. Some of the characteristic/properties of molecular solids, covalent network structures, metals, and ionic solids are summarized. The chapter describes the differences between cubic close packing (ccp) and hexagonal close packing (hcp). It demonstrates how to predict the limiting radius ratio for different geometries and how to use the radius ratio rule to predict the structures of ionic compounds. It

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Cooke, Kavian, and Tahir Khan. "Nanostructured Ni/Al2O3 Interlayer: Transient Liquid Phase Diffusion Bonding of Al6061-MMC." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000277.

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Aluminum metal matrix composites are materials frequently used in the automotive and aerospace industries due to their high strength-to-weight ratio, formability, corrosion resistance, and long-term durability. However, despite the unique properties of these materials, the lack of a reliable joining method has restricted their full potential in engineering applications. This article explores the effect of bonding time on transient liquid phase diffusion bonding of Al6061 containing 15 vol.% alumina particles using a 5 μm electrodeposited Ni-coating containing nano-sized alumina particles as th

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Pothina, Abhishek, and Saroj Kumar Sarangi. "Analysis of Pineapple Leaf Fiber Reinforced Composite Vehicle Bumper with Varying Fiber Volume Fraction." In Manufacturing and Processing of Advanced Materials. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136715123010017.

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This paper presents the analysis of the Pineapple Leaf Fiber (PALF) reinforced composite used as a material for car bumpers. Impact analysis is performed on the modeled front car bumper at different fiber content, i.e., at the difference in the value of the fiber volume fraction, and the results are discussed. The objective is to model a car's rear bumper with considered dimensions, and analyze it by simulating in the circumstances of a crash, i.e., the impact is simulated against a rigid body at speed as per the standards of the vehicle. The natural fiber reinforced composite, which has good

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Graham J., Man A., Alfaro M., Blatz J.A., and Van Gulck J. "Gypsum cementation and yielding in plastic clay." In Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2005. https://doi.org/10.3233/978-1-61499-656-9-507.

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Low (8 m high) dykes on soft plastic clay in SE Manitoba failed intermittently over many years. The clay is smectitic and cemented with gypsum. Tests showed that clay at an unstable section was more brittle and anisotropic than at a nearby stable section. Both sections had noticeably less gypsum than nearby unloaded clay. Tests examined the impact of pore fluid chemistry on mechanical properties of reconstituted clay from the site. Yielding appeared to be controlled by cementation bonding and by environmental effects. Stress-strain behaviour, and softening from peak to post-peak and then to re

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Conference papers on the topic "Bonding ratio"

Wu, Fa, Wei Cui, Jianguo Zhao, et al. "Fabrication of High Aspect Ratio TSV Interposer with Cu-Cu Direct Bonding." In 2024 25th International Conference on Electronic Packaging Technology (ICEPT). IEEE, 2024. http://dx.doi.org/10.1109/icept63120.2024.10668458.

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Geers, C., and M. Schütze. "New Surface Protection System against Metal Dusting." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09149.

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Abstract A new concept to inhibit Metal Dusting on the catalytically active surface of steel based on the application of tin was investigated. The target of this investigation is to reduce the affinity of high alloy steel surfaces towards carbon deposition and uptake in general. To avoid the reaction of carbon with iron or nickel its deposition has to be prevented by blocking the catalytically active centers on the metal on the atomic scale by an inhibitor, which has a stronger bonding to those metals. Tin was used because of its similarity with carbon concerning its position in the periodic s

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Esfahani, Zahra Kolahdouz, Henk van Zeijl, and G. Q. Zhang. "High aspect ratio lithography for litho-defined wire bonding." In 2014 IEEE 64th Electronic Components and Technology Conference (ECTC). IEEE, 2014. http://dx.doi.org/10.1109/ectc.2014.6897501.

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Tani, Hiroshi, Yuki Uesaraie, Renguo Lu, Shinji Koganezawa, and Norio Tagawa. "Hybrid Lubricant Film With High Bonding Ratio and High Coverage." In ASME 2019 28th Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/isps2019-7428.

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Abstract The frictional properties of a hybrid lubricant film composited from perfluoropolyether (PFPE) lubricant (Moresco DDOH) with single end group and PFPE film deposited from HT170 (Solvay) via photoelectron-assisted chemical vapor deposition (PACVD) were evaluated using a pin-on-disk tester and compared with that of a Z-tetraol dip-coated film. The frictional coefficient of only the HT170 film deposited via PACVD was considerably high; however, the hybrid lubricant film without the mobile fraction showed a friction coefficient equivalent to that of the Z-tetraol film with a mobile fracti

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Pinti, Marie, and Shaurya Prakash. "Fabrication of Hybrid Micro-Nanofluidic Devices With Centimeter Long Ultra-Low Aspect Ratio Nanochannels." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65763.

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Hybrid microfluidic and nanofluidic devices have a variety of applications including water desalination, molecular gates and DNA sieving among several other lab-on-chip uses. Most microfluidic and nanofluidic devices currently are fabricated in glass, silicon, polydimethylsiloxane (PDMS), or with a combination of these materials. In order to impart functionality, metals, polymers or auxiliary components are often integrated with these devices. Ultra-low aspect ratio channels have several advantages including critical dimensions on the nanoscale but increased throughput compared to higher aspec

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Yao, Shu-Wei, Guan-Jun Yang, Cheng-Xin Li, Xiao-Tao Luo, and Chang-Jiu Li. "Understanding the Formation of the Limited Inter-Lamellar Bonding in Thermal Spray Ceramic Coatings Based on the Intrinsic Bonding Temperature Concept." In ITSC2015, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.itsc2015p0767.

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Abstract Thermally sprayed coatings exhibit a lamellar structure with a bonding ratio less than 32% when a coating is deposited at ambient temperature. The lamellar bonding is one of the most important factors controlling the mechanical, thermal and electrical properties of the coatings. However, it is not clear why only limited lamellar bonding exists in a thermal spray coating even though many studies have been focused on the formation of bonding. In our previous study, it was found that there exists a critical deposition temperature for depositing ceramic splats to form the bonding with the

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Schroder, S., A. C. Fischer, G. Stemme, and F. Niklaus. "Very high aspect ratio through silicon vias (TSVs) using wire bonding." In 2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII). IEEE, 2013. http://dx.doi.org/10.1109/transducers.2013.6626728.

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Li, Chang-Jiu, Guan-Jun Yang, and Cheng-Xin Li. "Development of the Particle Interface Bonding in Thermal Spray Coatings for Expanding High Performance Applications." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0047.

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Abstract Thermally sprayed coatings are formed through the successive impact of molten droplets and/or semi-molten particles followed by flattening, rapid cooling, and solidification. Individual droplets flatten to form splats of several micrometers in thickness upon impact and result in the formation of a coating that has a lamellar structure with limited interface bonding. The inclusion of semi-molten particles in the coating modifies its microstructure. The bonding between particles dominates coating properties and performance. This review paper examines the bonding formation at the interfa

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Liu, Tao, Li-Shuang Wang, Shu-Wei Yao, et al. "Improving the Corrosion Resistance of Thermal Barrier Coatings against CMAS by Depositing Top Ceramic Layer of Enhanced Splat Bonding." In ITSC2015, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. ASM International, 2015. http://dx.doi.org/10.31399/asm.cp.itsc2015p0092.

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Abstract The corrosion resistance of thermal barrier coatings against CMAS deposit at high temperature is significantly affected by the microstructure of the coatings. Enhancing the bonding ratio between splats can reduce the inter-connected pores and then obstructs the penetration of the molten CMAS into the coatings. In this study, atmospheric plasma sprayed ZrO2 contains 8 wt. % Y2O3 (8YSZ) coating with improved lamellar bonding ratios was deposited with full-molten droplets at an enhanced deposition temperature. The microstructure of the dense 8YSZ coating and conventional 8YSZ coating bef

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Huang, Jian-Yuan, and Chih Chen. "Effect of (111) Surface Ratio on the Bonding Quality of Cu-Cu Joints." In 2024 IEEE 74th Electronic Components and Technology Conference (ECTC). IEEE, 2024. http://dx.doi.org/10.1109/ectc51529.2024.00104.

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Reports on the topic "Bonding ratio"

Chutimaworapan, Suchada. Fast release solid dispersion system of nifedipine. Chulalongkorn University, 1999. https://doi.org/10.58837/chula.res.1999.28.

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Nifedupine solid dispersions in polyethylene glycols (PEG4000 and PEG6000), poloxamers (poloxamer188 poloxamer288 and poloxamer407), [beta]-cyclodextrin (BCD) and 2-hydroxypropyl-[beta]-cyclodextrin (HPBCD), at the drug:carrier ratio if 1:1, 1:3, 1:5, and 1:10 were investigated. The systems were prepared by melting, solvent and kneading method and compared to physical mixtures. It was found that the drug:carrier ratio of 1:10 and by melting and solvent methods showed most conspicuous dissolution rates in most systems (p<0.05). The most markedly improved rate was exhibited from the poloxamer

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Sirivat, Anuvat, and Ladawan Ruangchuay. Preparation and characterization of polypyrrole film for chemical vapor sensor applications. Chulalongkorn University, 2001. https://doi.org/10.58837/chula.res.2001.82.

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Polypyrrole (PPy) was chemically prepared via an in situ doped polymerization utilizing seven dopant anions (dopant to monomer molar ratio, D/M = 1/12) to stabilize the positive charges on N of pyrrole rings. These dopant anions were found to play important roles on physical, chemical, and electrical properties of PPy as revealed by several techniques, e.g. X-ray photoelectron spectrometer and the custom-made four-point probe conductivity meter. PPys doped with alpha-naphthalene sulfonate (PPy/A) and beta-naphthalene sulfonate (PPy/B) have good pellet appearance, solubility, thermal stability,

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Rujiravanit, Ratana. Preparation and characterization of hydrogel from chitin derivative and silk fibroin. Thailand Research Fund, 2003. https://doi.org/10.58837/chula.res.2003.80.

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Natural polymer blend films composed of chitosan and silk fibroin were prepared by solution casting technique with various ratios of chitosan to silk fibroin, using glutaraldehyde as crosslinking agent. The effects of the ratio of chitosan to silk fibroin and crosslinking agent on mechanical properties, swelling behavior and drug releasing property of the blend films were studied. For the swelling behavior, the blend films exhibited a dramatic change in the degree of swelling when immersed in acidic solutions. The blend film with 80% chitosan content had the maximum degree of swelling. It appe

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McMahan, Tara, Bill Amend, Ken Evans, Tom Bubenik, and Michael Rosenfeld. PR186-223601-R01 Evaluation of Selective Seam Weld Corrosion Susceptibility. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000065.

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Abstract:

Selective seam weld corrosion (SSWC) in autogenous welds is characterized by accelerated corrosion of or near the bondline which results in a groove-like feature that often coincides with shallower corrosion that can extend beyond the limits of the longitudinal seam. Historically, SSWC has been referred to as "grooving corrosion", "knife-line attack", or "trench-like corrosion". In 2021, the Pipeline Research Council International, Inc. (PRCI) funded a project, PRCI Project EC-2-12, to evaluate SSWC as a threat to gas and liquid pipeline systems. The project included a literature review of key

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