5083 Aluminum Alloy Welded Joints PDF Download
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Author: B. Rivolta
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 9
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Book Description
The mechanical behaviour of heterogeneous regions like weldings is strongly affected by the local response, depending on the microstructural characteristics and the presence of defects. In this experimental work, 5083 H111 plates are welded by MIG method and DIC measurements were performed during uniaxial tensile tests to investigate the local mechanical behaviour in the area of interest. Digital Image Correlation (DIC) is a measuring technique capable of estimating the full displacement and strain field of an object through image acquisition and processing. The DIC techniques relates the intensity distribution of a small sub-set of pixel from a reference image and the image of the deformed specimen in order to estimate the full displacement field. The strain field is obtained relying on the displacement data. Specific tests are performed on specimens characterized by the presence of defects and porosity in the welding, to investigate the potentiality of the method and the obtained results show that the method is able to predict the position from which the final crack starts its propagation, giving rise to the final rupture of the specimen. Moreover, the work shows the possibility of determining the deformation field of the welded zone and of the heat affected zone by the DIC analysis, thanks to the capability of this measuring technique to estimate the mechanical behaviour of the specific regions of a welded joint (base material, HAZ and weld).
Author: B. Rivolta
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 9
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Book Description
The mechanical behaviour of heterogeneous regions like weldings is strongly affected by the local response, depending on the microstructural characteristics and the presence of defects. In this experimental work, 5083 H111 plates are welded by MIG method and DIC measurements were performed during uniaxial tensile tests to investigate the local mechanical behaviour in the area of interest. Digital Image Correlation (DIC) is a measuring technique capable of estimating the full displacement and strain field of an object through image acquisition and processing. The DIC techniques relates the intensity distribution of a small sub-set of pixel from a reference image and the image of the deformed specimen in order to estimate the full displacement field. The strain field is obtained relying on the displacement data. Specific tests are performed on specimens characterized by the presence of defects and porosity in the welding, to investigate the potentiality of the method and the obtained results show that the method is able to predict the position from which the final crack starts its propagation, giving rise to the final rupture of the specimen. Moreover, the work shows the possibility of determining the deformation field of the welded zone and of the heat affected zone by the DIC analysis, thanks to the capability of this measuring technique to estimate the mechanical behaviour of the specific regions of a welded joint (base material, HAZ and weld).
Author: Stephen Ross Yeomans
Publisher:
ISBN: 9780731700387
Category : Aluminum-magnesium alloys
Languages : en
Pages : 21
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Book Description
Author: E. TANAKA
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
Author: M H Ogle
Publisher: Woodhead Publishing
ISBN: 9781855734173
Category : Science
Languages : en
Pages : 566
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Book Description
The proceedings of the 7th INALCO conference which was held at TWI, Cambridge in April 1998.
Author: Fuad Khoshnaw
Publisher: Elsevier
ISBN: 0323906702
Category : Technology & Engineering
Languages : en
Pages : 630
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Book Description
Welding of Metallic Materials: Methods, Metallurgy and Performance looks at technical welding methods used based on different principles and sources, such as heat, with or without pressure, electrical, plasma, laser and cold-based welding. The metallurgical aspects associated with the welding processes, specifically those associated with metallic alloys, are explained, alongside the advantages and welding features that are associated with specific welding processes. In addition, the performance of metallic weldments under specific conditions and environments such as offshore, oil industry, radiation and high-temperature services are discussed. This book will a vital resource for researchers, practicing engineers and undergraduate and graduate students in the field of materials science and engineering. - Covers the latest developments in welding technology methods and their applications - Explains the metallurgical aspects of the welding processes - Recent applications of welding processes are described such as welding in medicine applications and additive manufacturing - The book includes discussions about the performance of weldments in terms of fatigue and corrosion and explores the interplay with automation and 3D applications
Author: W Fricke
Publisher: Woodhead Publishing
ISBN: 085709856X
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
The notch stress approach for fatigue assessment of welded joints is based on the highest elastic stress at the weld toe or root. In order to avoid arbitrary or infinite stress results, a rounded shape with a reference radius instead of the actual sharp toe or root is usually assumed. IIW recommendations for the fatigue assessment of welded structures by notch stress analysis reviews different proposals for reference radii together with associated S-N curves. Detailed recommendations are given for the numerical analysis of notch stress by the finite or boundary element method. Several aspects are discussed, such as the structural weakening by keyhole-shaped notches and the consideration of multiaxial stress states. Appropriate S-N curves are presented for the assessment of the fatigue strength of different materials. Finally, four examples illustrate the application of the approach as well as the variety of structures which can be analysed and the range of results that can be obtained from different models. Provides detailed recommendations for the number analysis of notch stress by the finite or boundary element method Discusses structural weakening by keyhole-shaped notches and the consideration of multiaxial stress states Provides four comprehensive examples, illustrating the variety of structures which can be analysed and the range of results that can be obtained from different models
Author: Koichi Masubuchi
Publisher: Elsevier
ISBN: 1483188434
Category : Technology & Engineering
Languages : en
Pages : 655
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Book Description
Analysis of Welded Structures: Residual Stresses, Distortion, and their Consequences encompasses several topics related to design and fabrication of welded structures, particularly residual stresses and distortion, as well as their consequences. This book first introduces the subject by presenting the advantages and disadvantages of welded structures, as well as the historical overview of the topic and predicted trends. Then, this text considers residual stresses, heat flow, distortion, fracture toughness, and brittle and fatigue fractures of weldments. This selection concludes by discussing the effects of distortion and residual stresses on buckling strength of welded structures and effects of weld defects on service behavior. This book also provides supplementary discussions on some related and selected subjects. This text will be invaluable to metallurgists, welders, and students of metallurgy and welding.
Author: Nilesh Kulkarni
Publisher: Butterworth-Heinemann
ISBN: 0128026219
Category : Technology & Engineering
Languages : en
Pages : 135
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Book Description
This book will summarize research work carried out so far on dissimilar metallic material welding using friction stir welding (FSW). Joining of dissimilar alloys and materials are needed in many engineering systems and is considered quite challenging. Research in this area has shown significant benefit in terms of ease of processing, material mixing, and superior mechanical properties such as joint efficiencies. A summary of these results will be discussed along with potential guidelines for designers. - Explains solid phase process and distortion of work piece - Addresses dimensional stability and repeatability - Addresses joint strength - Covers metallurgical properties in the joint area - Covers fine microstructure - Introduces improved materials use (e.g., joining different thicknesses) - Covers decreased fuel consumption in light weight aircraft - Addresses automotive and ship applications
Author: Ruifeng Li
Publisher: Springer Nature
ISBN: 9819741092
Category :
Languages : en
Pages : 219
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Book Description
Author: Jürgen Hirsch
Publisher: John Wiley & Sons
ISBN: 9783527323678
Category : Science
Languages : en
Pages : 2580
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Book Description
Aluminium is a well established modern lightweight engineering and functional material with a unique combination of specific properties like strengh, formability, durability, conductivity, corrosion resistance, etc. It is present in many intelligent solutions in established markets like building, transport, packaging, printing, and many others, in our fast moving modern society. The various aluminium alloys can be processed quite efficiently in large quantities by conventional fabrication routes, as well as in special sophisticated forms and material combinations for highly innovative high–tec solutions and applications. This book contains latest information about all these aspects in form of the refereed papers of the II th International Conference on Aluminium Alloys "ICAA", where world–wide experts from academia and engineers from industry present latest results and new ideas in fundamental as well as applied research. Since 22 years the ICAA series provides scientists and engineers with a complete overview over the latest scientific and technological developments, featuring profound technology–based overviews and new innovative perspectives. This book is a reference for the scientific community as well as for the aluminium industry working on aluminium alloy development, processing and application issues. It gives a global perspective on the current focus of international research with emphasis on in–depth understanding of specific properties and applications of conventional and advanced aluminium alloys.
