Advances In Brazing
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Advances In Brazing
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Author : T.-T. Ikeshoji
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by T.-T. Ikeshoji and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
The brazing of carbon–carbon (C/C) composites and metals is a necessary manufacturing technique for some high-performance applications. In this chapter, the fundamentals of brazing C/C composites to metals are described including the wettability of the brazing filler on C/C composites and the coefficient of thermal expansion (CTE) difference between C/C composites and metals. Commercially available brazing fillers for the brazing of C/C composites and various metals are listed. The effect of fiber orientation on the joint strength of C/C composites and titanium is described. The manufacturing method for overcoming the mismatch in CTE between C/C composites and metals is also described.
Advances In Brazing
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Author : R. Asthana
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by R. Asthana and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
Advanced ceramic-matrix composites (CMCs) outperform traditional ceramics in many ways and have shown potential for demanding applications. Net-shape manufacture of CMC parts is challenging, and many advanced applications demand robust and reliable integration technologies such as brazing. Brazing of CMC/metal joints is reviewed, highlighting scientific issues together with a discussion of some of the challenges that brazing of CMCs presents. Brazing practices for SiC–SiC, C–SiC, C–C, ZrB2-based ultra-high-temperature composites, and oxide, nitride and silicate-based composites are presented. Recent research results on interface microstructure, composition and properties are discussed. Scaling effects, time–temperature–environment dependent thermomechanical properties, design guidelines and life-prediction analyses, and tools for CMC/metal joints to be used in structures constitute future research imperatives.
Advances In Brazing
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Author : Dušan P Sekulić
language : en
Publisher: Elsevier
Release Date : 2013-03-04
Advances In Brazing written by Dušan P Sekulić and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
Brazing processes offer enhanced control, adaptability and cost-efficiency in the joining of materials. Unsurprisingly, this has lead to great interest and investment in the area. Drawing on important research in the field, Advances in brazing provides a clear guide to the principles, materials, methods and key applications of brazing.Part one introduces the fundamentals of brazing, including molten metal wetting processes, strength and margins of safety of brazed joints, and modeling of associated physical phenomena. Part two goes on to consider specific materials, such as super alloys, filler metals for high temperature brazing, diamonds and cubic boron nitride, and varied ceramics and intermetallics. The brazing of carbon-carbon (C/C) composites to metals is also explored before applications of brazing and brazed materials are discussed in part three. Brazing of cutting materials, use of coating techniques, and metal-nonmetal brazing for electrical, packaging and structural applications are reviewed, along with fluxless brazing, the use of glasses and glass ceramics for high temperature applications and nickel-based filler metals for components in contact with drinking water.With its distinguished editor and international team of expert contributors, Advances in brazing is a technical guide for any professionals requiring an understanding of brazing processes, and offers a deeper understanding of the subject to researchers and engineers within the field of joining. - Reviews the advances of brazing processes in joining materials - Discusses the fundamentals of brazing and considers specific materials, including super alloys, filler metals, ceramics and intermetallics - Brazing of cutting materials and structural applications are also discussed
Advances In Brazing
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Author : W. Tillmann
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by W. Tillmann and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
An important brazing application is the production of cutting and machining tools. This chapter provides an overview of brazing alloys for the joining of cutting materials. Process-related problems and solutions are presented and discussed. High strength values can be achieved with the right filler alloy and joint design. Most cemented carbides consist of a hard material such as tungsten carbide and a metallic binder. Due to the high carbide content, wetting and bonding reactions have to be monitored. Addition of active elements can help to induce a wetting reaction. Brazing ceramic cutting materials requires the use of active filler alloys to achieve a wetting reaction. The chapter reviews the alloys required. A joint can be weakened by interfacial effects or mismatches in physical properties. Employing the right filler metal with an adapted brazing process can significantly improve joint quality. Stress calculations based on the finite element method contribute to better joint design with reduced stress levels.
Advances In Brazing
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Author : C.A. Walker
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by C.A. Walker and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
Metal–nonmetal brazing is an established joining method used to fabricate products such as hermetic electronic packages, insulators for power generation and turbo-machinery components. Brazing presents opportunities for the materials engineer seeking to utilize recently engineered materials in advanced applications and extreme environments. Three commonly used brazing methods used for joining metals to nonmetals will be discussed: conventional brazing methods that use metallization coatings on the nonmetal surface to be brazed; active brazing methods that eliminate the need for metallization coatings; and direct brazing methods utilizing conventional brazing filler metals to join and seal packages without prior metallization.
Advances In Brazing
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Author : D.P. Sekulić
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by D.P. Sekulić and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
The phenomena involved in a brazing process constitute a set of very complex spatially distributed, transient physical and chemical processes, influenced by multiple parameters. This has been difficult to model reliably. This chapter offers a high level review of three broad areas of modeling: (i) the heating/cooling process during brazing, (ii) the thermomechanical behavior of brazed assemblies, and (iii) micro-scale phenomena, taking place in the joint zone and primarily related to transport phenomena. This discussion illustrates the importance of modeling brazing processes and its increasing contribution to the long-lasting success of the art.
Advances In Brazing
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Author : V.F. Khorunov
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by V.F. Khorunov and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
The chapter focuses on the problems of reactive-flux brazing and soldering of aluminium and aluminium to steel. High-temperature fluxes of the K,Al,Si/F salt system improve wetting and capillary properties of filler metals during brazing. The possibility of brazing aluminium using a reactive flux without a filler metal is established. Brazed joints on aluminium have strength equal to that of the base metal, and joints between aluminium and steel preserve their performance after thermal cycling tests. Reactive fluxes can be used for furnace, induction and arc brazing. Low-temperature fluxes based on polyatomic alcohols, which contain synthesised complex tetrafluoroborates of metals with nitrogen-bearing bases, improve conditions for formation of brazed joints on aluminium.
Advances In Brazing
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Author : D.K. Hawksworth
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by D.K. Hawksworth and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
The creation of a thermally induced metallic bond between aluminium components in the absence of powdered brazing fluxes has been achieved using a number of different techniques. Oxide disruption to promote the wetting and flow of filler metal on the surface is necessary for brazed joint formation. This can be achieved by making modifications to the brazing sheet surface, filler metal alloy and the use of composite alloy–flux materials. Different inert atmosphere brazing techniques and associated brazing mechanisms are described, including nickel brazing, filler metal alloying, electrochemical surface treatment and composite filler material developments.
Advances In Brazing
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Author : H. Peng
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-03-04
Advances In Brazing written by H. Peng and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.
Intermetallics have many metallic characteristics, including luster, and electrical and thermal conductivity. Ordered intermetallic structural materials have recently been the focus of many investigations. The physical and brazing properties of Ni–Al system intermetallics, Fe–Al intermetallics and Ti–Al intermetallics are presented in this chapter, including brazing methods, joint microstructure and corresponding mechanical strengths. The suitability of a variety of brazing filler metals for Ti–Al intermetallics is also discussed, and an extensive comparison is made between the brazing of traditional materials and those including more than three intermetallics.
Industrial Brazing Practice
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Author : Philip Roberts
language : en
Publisher: CRC Press
Release Date : 2003-12-15
Industrial Brazing Practice written by Philip Roberts and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-15 with Technology & Engineering categories.
Written by an expert with over forty years of experience, this book covers the six rules of brazing and how they impact the various procedures that are an essential part of brazing technology. Exploring what is and what is not good brazing practice, the author presents readers with a reference that will help them deal with the problems they face in