Welding Characteristics Of Maraging Steels Ii

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Welding Characteristics of Maraging Steels - Ii

Author : D. S. Dabkowski
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Welding Characteristics of Maraging Steels - Ii by : D. S. Dabkowski

Download or read book Welding Characteristics of Maraging Steels - Ii written by D. S. Dabkowski and published by . This book was released on 1964 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of the study showed that 2-inch-thick plates from three production heats of 180- to 210-ksi-yield-strength grades of maraging steel were susceptible to weld-heataffected-zone cracking. The cracks were internal (originating at or adjacent to the overaged region in the heataffected zone), appeared to be exclusively associated with areas of nonmetallic inclusions, and were parallel to the rolled plate surface. Results of metallographic examination indicated that the inclusions were titanium carbides, nitrides, or carbonitrides, and aluminum oxides. The results also indicated that specimens having a solution-annealed-and-aged prior microstructure and welded with a 300 F preheat exhibited a lower crack susceptibility than specimens having a solution-annealed prior microstructure and welded with no preheat. The results suggested that the cracks initiate where a plane of weakness (area of concentrated inclusions) intersects the aged region where the stress is high because of the combined effects of shrinkage and transformation forces. The cracks then propagate along the planes of weakness under the influence of long-range shrinkage stress. Generally, the results of the present work suggest that the observed weldheat-affected-zone cracks could be eliminated by (1) eliminating the planes of weakness or (2) reducing the amount of shrinkage and/or transformation stress induced by welding. (Author).

The Current Status of the Welding of Maraging Steels

Author : Robert Melvin Evans
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Current Status of the Welding of Maraging Steels by : Robert Melvin Evans

Download or read book The Current Status of the Welding of Maraging Steels written by Robert Melvin Evans and published by . This book was released on 1963 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Welding High-strength Steels

Author : P. A. Kammer
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Welding High-strength Steels by : P. A. Kammer

Download or read book Welding High-strength Steels written by P. A. Kammer and published by . This book was released on 1966 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies of the developments in welding steels with yield strengths greater than 150 ksi have included low-alloy martensitic steels, medium-alloy martensitic steels, nickel maraging steels, and bainitic steels. Only weldments from medium-alloy martensitic steels and nickel maraging steels have mechanical properties approaching those of the base plate without a complete postweld heat treatment. The most serious problem with the other steel is low toughness in the weld fusion zone. Adequate weld metal toughness under conditions of elastic strain can be obtarined over the entire 150 to 225 ksi yield-strength range only if the tungsten-arc welding process is used. Processes with higher deposition rates can produce comparable weld deposits only in the lower portion of the range. Above a yield strength of 200 ksi, 18Ni maraging steel weldments have the best combination of strength and toughness. Below 200 ksi, the HP 9-4-25 medium-alloy martensitic steel and 12Ni maraging steel weldments have nearly equal properties.

Maraging Steels

Author : W Sha
Publisher : Elsevier
ISBN 13 : 184569693X
Total Pages : 216 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Maraging Steels by : W Sha

Download or read book Maraging Steels written by W Sha and published by Elsevier. This book was released on 2009-10-26 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maraging steels are high-strength steels combined with good toughness. They are used particularly in aerospace and tooling applications. Maraging refers to the ageing of martensite, a hard microstructure commonly found in steels.Maraging steels: modelling of microstructure, properties and applications covers the following topics: Introduction to maraging steels; Microstructure of maraging steels; Mechanical properties of maraging steels; Thermodynamic calculations for quantifying the phase fraction and element partition in maraging systems and precipitation hardening steels; Quantification of phase transformation kinetics in maraging steels; Quantification of age hardening in maraging steels; Maraging steels and overageing; Precipitation hardening stainless steel; Applications of artificial neural network on modelling maraging steel properties.With its distinguished authors, Maraging steels: modelling of microstructure, properties and applications is a standard reference for industry and researchers concerned with maraging steels and modelling as well as users of maraging steels in the aerospace and tooling sectors. The book includes both conventional maraging steels and precipitation hardened (PH) stainless steels. - Provides an overview of maraging steels including microstructure and mechanical properties - Reviews thermodynamic calculations for quantifying the phase fraction and element partition in maraging steels - Includes chapters on the quantification of phase transformation kinetics and age hardening in maraging steels

Welding of Maraging Steels

Author : F. H. Lang
Publisher :
ISBN 13 : 9781581451580
Total Pages : 41 pages
Book Rating : 4.4/5 (515 download)

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Book Synopsis Welding of Maraging Steels by : F. H. Lang

Download or read book Welding of Maraging Steels written by F. H. Lang and published by . This book was released on 1971 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Mechanical Properties of the 18 Per Cent Nickel Maraging Steels

Author : J. E. Campbell
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Mechanical Properties of the 18 Per Cent Nickel Maraging Steels by : J. E. Campbell

Download or read book The Mechanical Properties of the 18 Per Cent Nickel Maraging Steels written by J. E. Campbell and published by . This book was released on 1964 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the combination of tensile properties and toughness that can be obtained with the maraging steels is higher than can be achieved with other steels by simple heat treatments, there is considerable interest in using the maraging steels for critical components such as rocket motor cases, pressure vessels, and aircraft forgings. This report includes information on the tensile, compressive, shear, bearing, dynamic modulus, impact, bend, fatigue, creep, and rupture properties of the 18 per cent nickel maraging steels and on the effect of temperature on these properties. Data for the properties of sheet, bar, and forgings, as well as data illustrating the effect of cold rolling, variation in the heat treatment, and elevated-temperature exposure also are presented. Data on the effect of specimen orientation, which are also included, indicate that the ductility and toughness of specimens designed to evaluate the properties in the short transverse direction are somewhat lower than in the other directions. The high strength and toughness that can be obtained in the 18 per cent nickel maraging steels make them attractive for certain critical applications that require these properties. The fabrication characteristics, weldability, and simple heat treatment are other advantages of these steels. (Author).

Welding Technology and Design

Author : V.M. Radhakrishnan
Publisher : New Age International
ISBN 13 : 8122416721
Total Pages : 66 pages
Book Rating : 4.1/5 (224 download)

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Book Synopsis Welding Technology and Design by : V.M. Radhakrishnan

Download or read book Welding Technology and Design written by V.M. Radhakrishnan and published by New Age International. This book was released on 2005 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Book Deals With Welding Methodology And Design Aspects Of Welding. The First Chapter Explains The Different Welding Methods While The Second One Describes The Necessary Welding Metallurgy Aspects Of The Material. Basics Of Strength Of Materials And Fracture Mechanics Are Presented In Chapter 3. The Problems Of Residual Stress And Distortion Are Discussed In Chapter 4. Fatigue And High Temperature Creep Are Frequently Encountered In Welded Components And So Are Discussed In Chapters 5 And 6. Design Of Tubular Joints And Pressure Vessels Is Detailed In Chapter 7. Defects, Their Causes And Remedial Measures And Welding Codes And Tests Are Given In Chapters 8 And 9, Respectively. Design Of Some Typical Joints Is Presented In Chapter 10. The Appendix Provides Typical Questions And Design Problems.The Book Will Be Very Useful To Undergraduate And Postgraduate Students Of Metallurgical, Mechanical And Production Engineering. It Will Also Be Useful To Welding Design Engineers And Can Be Used As An Authentic Reference Source.

Report on the Third Maraging Steel Project Review

Author : Albert M. Hall
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Report on the Third Maraging Steel Project Review by : Albert M. Hall

Download or read book Report on the Third Maraging Steel Project Review written by Albert M. Hall and published by . This book was released on 1963 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Weld Heat Affected Zone Structure and Properties of Two Mild Steels

Author : E. Smith (engineer.)
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis The Weld Heat Affected Zone Structure and Properties of Two Mild Steels by : E. Smith (engineer.)

Download or read book The Weld Heat Affected Zone Structure and Properties of Two Mild Steels written by E. Smith (engineer.) and published by . This book was released on 1968 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Properties of Mar-aging Steels

Author : D. C. Drennen
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Properties of Mar-aging Steels by : D. C. Drennen

Download or read book Properties of Mar-aging Steels written by D. C. Drennen and published by . This book was released on 1962 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Aerospace Materials

Author : Adrian P Mouritz
Publisher : Elsevier
ISBN 13 : 0857095153
Total Pages : 637 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Introduction to Aerospace Materials by : Adrian P Mouritz

Download or read book Introduction to Aerospace Materials written by Adrian P Mouritz and published by Elsevier. This book was released on 2012-05-23 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: The structural materials used in airframe and propulsion systems influence the cost, performance and safety of aircraft, and an understanding of the wide range of materials used and the issues surrounding them is essential for the student of aerospace engineering.Introduction to aerospace materials reviews the main structural and engine materials used in aircraft, helicopters and spacecraft in terms of their production, properties, performance and applications.The first three chapters of the book introduce the reader to the range of aerospace materials, focusing on recent developments and requirements. Following these introductory chapters, the book moves on to discuss the properties and production of metals for aerospace structures, including chapters covering strengthening of metal alloys, mechanical testing, and casting, processing and machining of aerospace metals. The next ten chapters look in depth at individual metals including aluminium, titanium, magnesium, steel and superalloys, as well as the properties and processing of polymers, composites and wood. Chapters on performance issues such as fracture, fatigue and corrosion precede a chapter focusing on inspection and structural health monitoring of aerospace materials. Disposal/recycling and materials selection are covered in the final two chapters.With its comprehensive coverage of the main issues surrounding structural aerospace materials,Introduction to aerospace materials is essential reading for undergraduate students studying aerospace and aeronautical engineering. It will also be a valuable resource for postgraduate students and practising aerospace engineers. - Reviews the main structural and engine materials used in aircraft, helicopters and space craft in terms of their properties, performance and applications - Introduces the reader to the range of aerospace materials, focusing on recent developments and requirements, and discusses the properties and production of metals for aerospace structures - Chapters look in depth at individual metals including aluminium, titanium, magnesium, steel and superalloys

Report on the Fourth Maraging-steel Project Review

Author : Albert M. Hall
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Report on the Fourth Maraging-steel Project Review by : Albert M. Hall

Download or read book Report on the Fourth Maraging-steel Project Review written by Albert M. Hall and published by . This book was released on 1964 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Abstract Bulletin

Author :
Publisher :
ISBN 13 :
Total Pages : 912 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Technical Abstract Bulletin by :

Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dielectric Loss in Polyethylene Terephthalate Below Glass Transition Temperature

Author : Bay-sung Hsu
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (311 download)

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Book Synopsis Dielectric Loss in Polyethylene Terephthalate Below Glass Transition Temperature by : Bay-sung Hsu

Download or read book Dielectric Loss in Polyethylene Terephthalate Below Glass Transition Temperature written by Bay-sung Hsu and published by . This book was released on 1971 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 1076 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis U.S. Government Research Reports by :

Download or read book U.S. Government Research Reports written by and published by . This book was released on 1964 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Maraging Steel

Author : Penelope Bloom
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Maraging Steel by : Penelope Bloom

Download or read book Maraging Steel written by Penelope Bloom and published by . This book was released on 1964 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Multiaxial Fatigue

Author : Darrell Socie
Publisher : SAE International
ISBN 13 : 0768065100
Total Pages : 510 pages
Book Rating : 4.7/5 (68 download)

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Book Synopsis Multiaxial Fatigue by : Darrell Socie

Download or read book Multiaxial Fatigue written by Darrell Socie and published by SAE International. This book was released on 1999-12-15 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides practicing engineers, researchers, and students with a working knowledge of the fatigue design process and models under multiaxial states of stress and strain. Readers are introduced to the important considerations of multiaxial fatigue that differentiate it from uniaxial fatigue.