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Author : A. G. METCALFE
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (227 download)
Download or read book DIFFUSION BONDING OF REFRACTORY METALS. written by A. G. METCALFE and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. M. Evans
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.3/5 (91 download)
Download or read book Notes on the Diffusion Bonding of Metals written by R. M. Evans and published by . This book was released on 1960 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solid State Diffusion Bonding of Refractory Metals and Alloys written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid-state diffusion bonding of refractory metals by heating in vacuum was developed for self-bonding Cb to Cb, Mo to Mo, and bi-metal bonding Mo to Ta, etc. Other metals and alloys such as W, Re, Mo, Ta, Cb, V, W--26 Re, Mo-- 50 Re, and Ta-- 10 W have also been diffusion bonded. True metallurgical bonds are achieved at the contacting metal interfaces with only sufficient pressure to assure positioning and contact of the areas to be bonded. Grain boundary migration appears to be a major mechanism in forming the bonds. Stress-rupture tests at 4000 deg F on Mo and 4700 deg F on Ta-- 10 W alloy were conducted up to 10 hours in hydrogen atmosphere to permit comparison of diffusion-bonded joint rupture strength with basic thin sheet properties. (auth).
Author : N.F. Kazakov
Publisher : Elsevier
ISBN 13 : 1483150550
Total Pages : 305 pages
Book Rating : 4.4/5 (831 download)
Download or read book Diffusion Bonding of Materials written by N.F. Kazakov and published by Elsevier. This book was released on 2013-10-22 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diffusion Beading of Materials is an attempt to pool the experience in vacuum diffusion bonding accumulated by a number of mechanical engineering works, research establishments, and colleges. The book discusses the principal bonding variables and recommended procedures for diffusion bonding in vacuum; the equipment for diffusion bonding and production rate; and the mechanization and automation of equipment. The text also describes the diffusion bonding of steels; the bonding of cast iron and cast iron to steel; and the bonding of dissimilar metals and alloys. The bonding of refractory and active metals and their alloys; the bonding of high-temperature alloys, nickel and nickel alloys; and the bonding of cemented carbides and of a cemented carbide to steel are also considered. The book further tackles the repair and reconditioning by diffusion bonding; the bonding of porous materials; and diffusion metallurgy. The text also encompasses nonmetals and their joining to metals; quality control of diffusion-bonded joints; accident prevention; and cleanliness in vacuum diffusion bonding.
Author : S. J. Paprocki
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)
Download or read book Gas-pressure Bonding written by S. J. Paprocki and published by . This book was released on 1961 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arthur G. Metcalfe
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Final Report on Diffusion Bonding of Refractory Metals and TD Nickel written by Arthur G. Metcalfe and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hayder Al-Mashhadani
Publisher :
ISBN 13 : 9783961000906
Total Pages : pages
Book Rating : 4.0/5 (9 download)
Download or read book Refractory Metals Low Temperature Diffusion Bonding written by Hayder Al-Mashhadani and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Department of the Air Force
Publisher :
ISBN 13 :
Total Pages : 105 pages
Book Rating : 4.:/5 (357 download)
Download or read book Joining of Refractory Metals by Brazing and Diffusion Bonding written by United States. Department of the Air Force and published by . This book was released on 1963 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. R. Young
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (456 download)
Download or read book Joining of Refractory Metals by Brazing and Diffusion Bonding written by W. R. Young and published by . This book was released on 1963 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Braze alloys were designed and evaluated for metallurgical compatibility with Cb-base materials, transition temperature, and high temperature strength of brazed joints. Four braze alloys: AS-540 (60V-30Cb-10Ti), AS-541 (60V-30Cb-10Ti-2C), AS-546 (60-30Cb-10Zr), and AS-547(59V-29Cb-10Zr-2Si), have been identified which exhibited excellent metallurgical compatibility and high temperature strength. Low temperature ductility of F-48 brazements, however, was decreased somewhat as a result of the brazing process.
Author : N. L. Peterson
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.3/5 (91 download)
Download or read book Diffusion in Refractory Metals written by N. L. Peterson and published by . This book was released on 1960 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D.J. Stephenson
Publisher : Springer Science & Business Media
ISBN 13 : 9401136742
Total Pages : 326 pages
Book Rating : 4.4/5 (11 download)
Download or read book Diffusion Bonding 2 written by D.J. Stephenson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is currently great interest in the process of diffusion bonding. The main thrust has been in the joining of advanced materials such as superplastic alloys, metal matrix composites and ceramics and, most importantly, to introduce the process into mass-production operations. Diffusion bonding has also led to reduced manufacturing costs and weight savings in conventional materials and developments in hot isostatic pressing have allowed greater design flexibility. Since the first conference on Diffusion Bonding, held at Cranfield in 1987, considerable advances have been made and it was therefore considered appropriate to organise the Second International Conference on Diffusion Bonding which was held at Cranfield Institute of Technology on 28 and 29 March 1990. The meeting provided a forum for the presentation and discussion of recent developments in Diffusion Bonding and was divided into four main subject areas: steel bonding and quality control, diffusion bonding of aluminium alloys, bonding of high temperature materials and general applications. This structure is retained in the proceedings. DAVID STEPHENSON vii CONTENTS v Preface ......................... .
Author : Beverley Ross Garrett
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (31 download)
Download or read book Broad Applications of Diffusion Bonding written by Beverley Ross Garrett and published by . This book was released on 1966 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented of a study of the broad application of diffusion bonding. A comprehensive literature survey of the present status of diffusion bonding was been conducted and the information incorporated in the report. The relevant aspects of 'Diffusion Theory' was been outlined, followed by a detailed discussion of the fundamental factors governing the diffusion bonding process. The status of the process has been delineated through a presentation of the practical applications and the experimental data on diffusion bonding. Consideration has been given to the development of a logical framework for the selection of a diffusion bonding technique for new Joining applications. Areas in which further work is needed for developing the reliability of the process and broadening its applications have been described. Finally, the future potential of diffusion bonding has been reviewed by outlining the material characteristics and structures which appear to be amenable to Joining by diffusion bonding. This study will provide assistance in the selection or rejection of a diffusion bonding technique for specific Joining applications.
Download or read book The Diffusion Bonding of Silicon Carbide and Boron Carbide Using Refractory Metals written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Joining is an enabling technology for the application of structural ceramics at high temperatures. Metal foil diffusion bonding is a simple process for joining silicon carbide or boron carbide by solid-state, diffusive conversion of the metal foil into carbide and silicide compounds that produce bonding. Metal diffusion bonding trials were performed using thin foils (5[micro]m to 100[micro]m) of refractory metals (niobium, titanium, tungsten, and molybdenum) with plates of silicon carbide (both[alpha]-SiC and[beta]-SiC) or boron carbide that were lapped flat prior to bonding. The influence of bonding temperature, bonding pressure, and foil thickness on bond quality was determined from metallographic inspection of the bonds. The microstructure and phases in the joint region of the diffusion bonds were evaluated using SEM, microprobe, and AES analysis. The use of molybdenum foil appeared to result in the highest quality bond of the metal foils evaluated for the diffusion bonding of silicon carbide and boron carbide. Bonding pressure appeared to have little influence on bond quality. The use of a thinner metal foil improved the bond quality. The microstructure of the bond region produced with either the[alpha]-SiC and[beta]-SiC polytypes were similar.
Author : Manufacturing Laboratories, Inc
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.E/5 ( download)
Download or read book Investigation of Diffusion Barriers for Refractory Metals written by Manufacturing Laboratories, Inc and published by . This book was released on 1960 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Korman
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (227 download)
Download or read book Research Study of Diffusion Bonding of Refractory Materials, Columbium and Tantalum written by S. Korman and published by . This book was released on 1967 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bonding of columbium and tantalum to themselves and to each other was observed under conditions of temperature, pressure, and presence of filler metal, wherein the controlling process is predominantly diffusion-controlled, as distinguished from pressure bonding, yield stress-controlled bonding, or creep-controlled bonding. For example, at 2000 psi and 419C., --a pressure well below the yield point of the parent metals and a temperature below their recrystallization points--all three combinations of parent metals could produce good lap-bonds with aluminum foil in 1/2 hr. At the same condition no bonds were obtained without foil in two hours. Butt-bonded joints under the same conditions exhibited tensile strengths of 12,000 psi for columbium and 19,850 psi for tantalum, with relatively poor joint efficiency as noted after rupture by the relatively small fraction of available contact areas. Results were obtained well below the observed recrystallization temperatures (600C. for columbium, and 800C. for tantalum). Evidence of oxidation was correlated with interference with bonding efficiency. It is believed that stricter atmosphere control and surface cleanliness related thereto could improve the joint strength and bond efficiency, even without reference to optimization of other process parameters. (Author).
Author : H. E. Pattee
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Brazing and Bonding of Columbium, Molybdenum, Tantalum, Tungsten, and Graphite written by H. E. Pattee and published by . This book was released on 1962 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the important developments in the joining of columbium, molybdenum, tantalum, tungsten, and graphite are summarized. Much of the subject matter is devoted to the brazing processes, but diffusion and solid-state bonding are covered also. The particular properties which recommend the refractory metals and graphite to aerospace applications are discussed. Adverse properties which limit the use of these materials or which must be overcome by using special precautions also are mentioned. Typical filler metals used to join the refractory materials for low- as well as high-temperature service conditions are covered. The information was gathered from the current literature on joining and from the open DMIC files.
Author : W. D. Klopp
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (91 download)
Download or read book Diffusion Rates and Solubilities of Interstitials in Refractory Metals written by W. D. Klopp and published by . This book was released on 1960 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
