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Modeling of Chemical Wear

Modeling of Chemical Wear Book
Author : A. Sethuramiah,Rajesh Kumar
Publisher : Elsevier
Release : 2015-10-19
ISBN : 0128007842
Language : En, Es, Fr & De

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Book Description :

Modeling of Chemical Wear is a one-stop resource for students, researchers and professionals seeking quick and effective tribological evaluations of environmentally friendly and energy efficient products. This book considers optimizing additive combinations by proper methodology, bridging the gap between theory and practice. It defines effective approaches to evaluate antiwear chemical additives commonly used in industry, enhancing the mapping ability of their performance to reduce the extent of full scale evaluations. Provides full coverage of tribology in four concise chapters, including lubricants and additives and up-and-coming nano-level tribology Offers effective empirical modelling of chemical wear, along with computer programs relevant to industry standards to help you improve your test methods Outlines effective methodology for optimization of additive packages, relevant to the present search for eco-friendly combinations

Modelling of Chemical Wear

Modelling of Chemical Wear Book
Author : A. Sethuramiah,Rajesh Kumar
Publisher : Elsevier Science Limited
Release : 2015-07-01
ISBN : 9780124202436
Language : En, Es, Fr & De

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Book Description :

Modelling of Chemical Wear is a one-stop resource for students, researchers and professionals seeking quick and effective tribological evaluations of products which reduce environmental impact and energy efficiency. This book considers optimizing additive combinations by proper methodology, bridging the gap between theory and practice. It defines effective approaches to evaluate antiwear chemical additives commonly used in industry, enhancing the mapping ability of their performance to reduce the extent of full scale evaluations. Provides full coverage of tribology in four concise chapters, including up-and-coming nano-level tribology and additive combination techniques Offers effective empirical modelling of chemical wear, along with computer programs relevant to industry standards to help you improve your test methods. Outlines effective methodology for optimization of additive packages, relevant to the present search for eco-friendly combinations.

Tribological Modeling for Mechanical Designers

Tribological Modeling for Mechanical Designers Book
Author : K. C. Ludema,Raymond George Bayer
Publisher : ASTM International
Release : 1991
ISBN : 9780803114128
Language : En, Es, Fr & De

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Book Description :

Thirteen papers from a symposium on [title] held in San Francisco, May 1990, are presented in chapters on: what mechanical designers need in tribological modeling, what is available in tribological models, data base and simulation issues for tribological modeling, and principles of model making and

Integrated Modeling of Chemical Mechanical Planarization for Sub Micron IC Fabrication

Integrated Modeling of Chemical Mechanical Planarization for Sub Micron IC Fabrication Book
Author : Jianfeng Luo,David A. Dornfeld
Publisher : Springer Science & Business Media
Release : 2013-03-09
ISBN : 3662079283
Language : En, Es, Fr & De

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Book Description :

Chemical mechanical planarization, or chemical mechanical polishing as it is simultaneously referred to, has emerged as one of the critical processes in semiconductor manufacturing and in the production of other related products and devices, MEMS for example. Since its introduction some 15+ years ago CMP, as it is commonly called, has moved steadily into new and challenging areas of semiconductor fabrication. Demands on it for consistent, efficient and cost-effective processing have been steady. This has continued in the face of steadily decreasing feature sizes, impressive increases in wafer size and a continuing array of new materials used in devices today. There are a number of excellent existing references and monographs on CMP in circulation and we defer to them for detailed background information. They are cited in the text. Our focus here is on the important area of process mod els which have not kept pace with the tremendous expansion of applications of CMP. Preston's equation is a valuable start but represents none of the subtleties of the process. Specifically, we refer to the development of models with sufficient detail to allow the evaluation and tradeoff of process inputs and parameters to assess impact on quality or quantity of production. We call that an "integrated model" and, more specifically, we include the important role of the mechanical elements of the process.

Approaches to Modeling of Friction and Wear

Approaches to Modeling of Friction and Wear Book
Author : Frederick F. Ling,C.H.T. Pan
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1461238145
Language : En, Es, Fr & De

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Book Description :

At the conclusion of the Conference on Tribology in the area of Wear Life Pre diction of Mechanical Components, which was held at the General Motors Research Laboratories and sponsored by the Industrial Research Institute, a very high pri ority recommendation was modeling of tribological systems. Since the appearance of the Conference Proceedings in 1985, the writers discussed the matter of modeling with Dr. Edward A. Saibel, Chief of the Solid Mechanics Branch, Engineering Sciences Division, U.S. Army Research Office. This discussion led to a proposal for the Workshop which resulted in this volume. The choice of proposal and Workshop name turned out to be more restricted than it needed to be. As such, the Workshop adopted the name for this volume, Approaches to Modeling of Friction and Wear. By design, the attendance was restricted to not more than 40 individuals so as to allow small group discussions. There were four panels which deliberated on the same questions after two invited area lectures. Section 1 contains the substance of the two lectures. Section 2 is the Workshop Summary which is a distillation of the four panel reports by the entire Workshop attendance. This was formally written up and edited by the eight panel session chairmen, i.e., each of the four panels met twice on two different questions under the leadership of a chairman for each session. Section 3 contains four brief position papers on the subject of the Workshop.

Temperature Estimations in Elastohydrodynamic Contacts of Tribochemical Processes A Comparative Study Using Modeling by Mechanical Wear Process Mechanisms and Chemical Kinetic Modeling

Temperature Estimations in Elastohydrodynamic Contacts of Tribochemical Processes  A Comparative Study Using Modeling by Mechanical Wear Process Mechanisms and Chemical Kinetic Modeling Book
Author : Raj Shah,Jesse Kelly,Cindy Klager
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This article deals with the subject of thermal Elastohydrodynamic Lubrication (EHL) and how temperatures can be estimated in elastohydrodynamic contacts. An attempt has been made to explain why it is essential to study temperature effects in EHL, and the process of thermal EHL modeling has been elucidated by solving a simple thermal EHL model. The temperatures obtained from this simple model seem to agree well with published literature. A comprehensive literature review of the numerous studies in thermal EHL modeling with particular emphasis on recent developments in this field has been presented. The second part of this comprehensive study includes a comparison between temperatures in the EHL contact as obtained by mechanical models and a chemical model, which will be discussed. The contact temperature required to consume the lubricant by oxidation during a microsample wear test is determined by a chemical kinetic model. Finally, the discrepancy between the temperatures obtained by both the chemical kinetic model and the mechanical model is discussed, presenting various plausible explanations to account for the temperature difference.

Microelectronic Applications of Chemical Mechanical Planarization

Microelectronic Applications of Chemical Mechanical Planarization Book
Author : Yuzhuo Li
Publisher : John Wiley & Sons
Release : 2007-10-19
ISBN : 0471719196
Language : En, Es, Fr & De

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Book Description :

An authoritative, systematic, and comprehensive description of current CMP technology Chemical Mechanical Planarization (CMP) provides the greatest degree of planarization of any known technique. The current standard for integrated circuit (IC) planarization, CMP is playing an increasingly important role in other related applications such as microelectromechanical systems (MEMS) and computer hard drive manufacturing. This reference focuses on the chemical aspects of the technology and includes contributions from the foremost experts on specific applications. After a detailed overview of the fundamentals and basic science of CMP, Microelectronic Applications of Chemical Mechanical Planarization: * Provides in-depth coverage of a wide range of state-of-the-art technologies and applications * Presents information on new designs, capabilities, and emerging technologies, including topics like CMP with nanomaterials and 3D chips * Discusses different types of CMP tools, pads for IC CMP, modeling, and the applicability of tribometrology to various aspects of CMP * Covers nanotopography, CMP performance and defect profiles, CMP waste treatment, and the chemistry and colloidal properties of the slurries used in CMP * Provides a perspective on the opportunities and challenges of the next fifteen years Complete with case studies, this is a valuable, hands-on resource for professionals, including process engineers, equipment engineers, formulation chemists, IC manufacturers, and others. With systematic organization and questions at the end of each chapter to facilitate learning, it is an ideal introduction to CMP and an excellent text for students in advanced graduate courses that cover CMP or related semiconductor manufacturing processes.

Friction Wear and Wear Protection

Friction  Wear and Wear Protection Book
Author : Alfons Fischer,Kirsten Bobzin
Publisher : John Wiley & Sons
Release : 2011-02-10
ISBN : 3527628525
Language : En, Es, Fr & De

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Book Description :

The proceedings collect invited and contributed papers from more than 150 scientists and engineers worldwide which provide an up-to-date overview of the current research on friction and wear, including new systematic approaches as well as innovative technical solutions.

Wear Modeling with Sensitivity to Lubricant Chemistry

Wear Modeling with Sensitivity to Lubricant Chemistry Book
Author : Benjamin Carl Thomas,Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The life of an automotive engine is often limited by the ability of its components to resist wear. Zinc dialkyl-dithiophosphate (ZDDP) is an engine oil additive that reduces wear in an engine by forming solid antiwear films at points of moving contact. The effects of this additive are fairly well understood, but there is little theory behind the kinetics of antiwear film formation and removal. This lack of dynamic modeling makes it difficult to predict the effects of wear at the design stage for an engine component or a lubricant formulation. The purpose of this research is to develop a theoretical and numerical framework for modeling the formation and evolution of ZDDP antiwear films based on the relevant chemical pathways and physical mechanisms at work. The ability to predict the development and function of thin solid films on rough surfaces and their effect on surface wear would be a useful tool in many tribological applications, both automotive and otherwise. Completely deterministic modeling of such films may not be possible due to the complex interactions between the numerous mechanical, thermal, and chemical variables over disparate magnitudes of time and length scales. However, it is believed that useful predictions can be made by constructing a mechanistic model in which all of the most important effects are included, even if only at an approximate level. Both the theoretical model and the numerical implementation of the concepts therein will be discussed in this work. Preliminary results from this effort are presented to illustrate feasibility and functionality on a qualitative level.

Approaches to Modeling of Friction and Wear

Approaches to Modeling of Friction and Wear Book
Author : Frederick F. Ling,C.H.T. Pan
Publisher : Springer
Release : 1988
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

At the conclusion of the Conference on Tribology in the area of Wear Life Pre diction of Mechanical Components, which was held at the General Motors Research Laboratories and sponsored by the Industrial Research Institute, a very high pri ority recommendation was modeling of tribological systems. Since the appearance of the Conference Proceedings in 1985, the writers discussed the matter of modeling with Dr. Edward A. Saibel, Chief of the Solid Mechanics Branch, Engineering Sciences Division, U.S. Army Research Office. This discussion led to a proposal for the Workshop which resulted in this volume. The choice of proposal and Workshop name turned out to be more restricted than it needed to be. As such, the Workshop adopted the name for this volume, Approaches to Modeling of Friction and Wear. By design, the attendance was restricted to not more than 40 individuals so as to allow small group discussions. There were four panels which deliberated on the same questions after two invited area lectures. Section 1 contains the substance of the two lectures. Section 2 is the Workshop Summary which is a distillation of the four panel reports by the entire Workshop attendance. This was formally written up and edited by the eight panel session chairmen, i.e., each of the four panels met twice on two different questions under the leadership of a chairman for each session. Section 3 contains four brief position papers on the subject of the Workshop.

Wear of Materials

Wear of Materials Book
Author : P Blau
Publisher : Elsevier
Release : 2003-10-15
ISBN : 9780080443010
Language : En, Es, Fr & De

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Book Description :

The 14th International Conference on Wear of Materials took place in Washington, DC, USA, 30 March - 3 April 2003. These proceedings contain over two-hundred peer reviewed papers containing the best research, technical developments and engineering case studies from around the world. Biomaterials and nano-tribology receive special attention in this collection reflecting the general trends in the field. Further highlights include a focus on the new generation of instrumentation to probe wear at increasingly small scales. Approximately ninety communications and case studies, a popular format for the academic community have also been included, enabling the inclusion of the most up-to-date research. Over 200 peer-reviewed papers including hot topics such as biomaterials and nano-tribology Keeping you up-to-date with the latest research from leading experts Includes communications and case studies

Metallurgical Coatings and Thin Films 1991

Metallurgical Coatings and Thin Films 1991 Book
Author : G.E. McGuire,D.C. McIntyre,Stefan G. Hofmann
Publisher : Elsevier
Release : 2012-12-02
ISBN : 0444599932
Language : En, Es, Fr & De

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Book Description :

The contributions in this two-volume set represent the work of over two hundred international researchers from universities, government laboratories and industry, with diverse backgrounds and interests in a wide range of coatings and thin film processes. The two hundred and six papers attest to the fact that Metallurgical Coatings is a rapidly growing field attracting experts from the large materials, scientific and technical community. The papers will be a useful and dynamic tool for those wishing to increase their knowledge on metallurgical coatings, as well as providing a guide to recent literature in this field.

Modern Manufacturing Processes

Modern Manufacturing Processes Book
Author : Muammer Koc,Tugrul Özel
Publisher : John Wiley & Sons
Release : 2019-09-24
ISBN : 1118071921
Language : En, Es, Fr & De

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Book Description :

Provides an in-depth understanding of the fundamentals of a wide range of state-of-the-art materials manufacturing processes Modern manufacturing is at the core of industrial production from base materials to semi-finished goods and final products. Over the last decade, a variety of innovative methods have been developed that allow for manufacturing processes that are more versatile, less energy-consuming, and more environmentally friendly. This book provides readers with everything they need to know about the many manufacturing processes of today. Presented in three parts, Modern Manufacturing Processes starts by covering advanced manufacturing forming processes such as sheet forming, powder forming, and injection molding. The second part deals with thermal and energy-assisted manufacturing processes, including warm and hot hydrostamping. It also covers high speed forming (electromagnetic, electrohydraulic, and explosive forming). The third part reviews advanced material removal process like advanced grinding, electro-discharge machining, micro milling, and laser machining. It also looks at high speed and hard machining and examines advances in material modeling for manufacturing analysis and simulation. Offers a comprehensive overview of advanced materials manufacturing processes Provides practice-oriented information to help readers find the right manufacturing methods for the intended applications Highly relevant for material scientists and engineers in industry Modern Manufacturing Processes is an ideal book for practitioners and researchers in materials and mechanical engineering.

Production of Biofuels and Numerical Modeling of Chemical Combustion Systems

Production of Biofuels and Numerical Modeling of Chemical Combustion Systems Book
Author : Miguel Torres García,Juan Francisco García Martín
Publisher : MDPI
Release : 2021-08-18
ISBN : 3036513329
Language : En, Es, Fr & De

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Book Description :

Biofuels have recently attracted a lot of attention, mainly as alternative fuels for applications in energy generation and transportation. The utilization of biofuels in such controlled combustion processes has the great advantage of not depleting the limited resources of fossil fuels while leading to emissions of greenhouse gases and smoke particles similar to those of fossil fuels. On the other hand, a vast amount of biofuels are subjected to combustion in small-scale processes, such as for heating and cooking in residential dwellings, as well as in agricultural operations, such as crop residue removal and land clearing. In addition, large amounts of biomass are consumed annually during forest and savanna fires in many parts of the world. These types of burning processes are typically uncontrolled and unregulated. Consequently, the emissions from these processes may be larger compared to industrial-type operations. Aside from direct effects on human health, especially due to a sizeable fraction of the smoke emissions remaining inside residential homes, the smoke particles and gases released from uncontrolled biofuel combustion impose significant effects on the regional and global climate. Estimates have shown the majority of carbonaceous airborne particulate matter to be derived from the combustion of biofuels and biomass. “Production of Biofuels and Numerical Modelling of Chemical Combustion Systems” comprehensively overviews and includes in-depth technical research papers addressing recent progress in biofuel production and combustion processes. To be specific, this book contains sixteen high-quality studies (fifteen research papers and one review paper) addressing techniques and methods for bioenergy and biofuel production as well as challenges in the broad area of process modelling and control in combustion processes.

Multiscale Modeling of Thermomechanical Loads in the Broaching of Direct Aged Inconel 718

Multiscale Modeling of Thermomechanical Loads in the Broaching of Direct Aged Inconel 718 Book
Author : Bingxiao Peng
Publisher : Apprimus Wissenschaftsverlag
Release : 2021-01-22
ISBN : 3863599306
Language : En, Es, Fr & De

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Book Description :

The broaching process remains an essential machining process when manufacturing fir tree slots in turbine disks for aircraft engines. The cost- and time-intensive experiment-based approach restricts the application of alternative cutting tool materials when broaching nickel-based alloys. Given the accuracy and computation time, the developed model-based multiscale approach presents great advantages in prediction of the broaching process and thus can accelerate the development process.

Surface Engineering of Modern Materials

Surface Engineering of Modern Materials Book
Author : Kapil Gupta
Publisher : Springer Nature
Release : 2020-03-20
ISBN : 3030432327
Language : En, Es, Fr & De

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Book Description :

This book focuses on surface engineering of a wide range of modern materials such as smart alloys, light metals, polymers, and composites etc. for their improved manufacturability. It discusses the effect of surface engineering processes namely friction stir processing, forming, spark erosion, welding, laser heating, and coating etc. on various properties of modern materials. The book aims to facilitate researchers and engineers for manufacturing modern materials for numerous commercial, precision and scientific applications.

CFD Modeling of Complex Chemical Processes

CFD Modeling of Complex Chemical Processes Book
Author : Li Xi,De-Wei Yin,Jae Sung Park
Publisher : MDPI
Release : 2021-09-01
ISBN : 3036512667
Language : En, Es, Fr & De

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Book Description :

Computational fluid dynamics (CFD), which uses numerical analysis to predict and model complex flow behaviors and transport processes, has become a mainstream tool in engineering process research and development. Complex chemical processes often involve coupling between dynamics at vastly different length and time scales, as well as coupling of different physical models. The multiscale and multiphysics nature of those problems calls for delicate modeling approaches. This book showcases recent contributions in this field, from the development of modeling methodology to its application in supporting the design, development, and optimization of engineering processes.

Handbook of Semiconductor Manufacturing Technology

Handbook of Semiconductor Manufacturing Technology Book
Author : Yoshio Nishi,Robert Doering
Publisher : CRC Press
Release : 2000-08-09
ISBN : 9780824787837
Language : En, Es, Fr & De

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Book Description :

The Handbook of Semiconductor Manufacturing Technology describes the individual processes and manufacturing control, support, and infrastructure technologies of silicon-based integrated-circuit manufacturing, many of which are also applicable for building devices on other semiconductor substrates. Discussing ion implantation, rapid thermal processing, photomask fabrication, chip testing, and plasma etching, the editors explore current and anticipated equipment, devices, materials, and practices of silicon-based manufacturing. The book includes a foreword by Jack S. Kilby, cowinner of the Nobel Prize in Physics 2000 "for his part in the invention of the integrated circuit."

Modeling and Simulation for Material Selection and Mechanical Design

Modeling and Simulation for Material Selection and Mechanical Design Book
Author : George E. Totten,Lin Xie,Kiyoshi Funatani
Publisher : CRC Press
Release : 2003-12-02
ISBN : 9780203913451
Language : En, Es, Fr & De

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Book Description :

This reference describes advanced computer modeling and simulation procedures to predict material properties and component design including mechanical properties, microstructural evolution, and materials behavior and performance. The book illustrates the most effective modeling and simulation technologies relating to surface-engineered compounds, fastener design, quenching and tempering during heat treatment, and residual stresses and distortion during forging, casting, and heat treatment. With contributions from internationally recognized experts in the field, it enables researchers to enhance engineering processes and reduce production costs in materials and component development.