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Author: Benjamin Decreus Publisher: ISBN: Category : Languages : fr Pages : 267
Book Description
L’objectif de cette étude est de progresser dans la compréhension des évolutions microstrucutrales de deux alliages Al-Li-Cu de la série 2000 lors du revenu et de faire le lien entre les microstructures obtenues et les propriétés mécaniques résultantes. En s’appuyant sur des techniques de caractérisation telles que la diffusion centrale des rayons X et la microsopie électronique nous avons pu identifier les séquences de précipitation lors du revenu et mesurer les cinétiques de croissance des principales phases en présence, à savoir T1 (Al2CuLi) et δ’ (Al3Li). En parallèle, l’étude des évolutions de limite élastique, de comportement plastique et de réversibilité du glissement lors du revenu ont permis de comprendre l’influence de la précipitation sur les évolutions de propriétés mécaniques. Enfin, l’étude de la ténacité dans le sens travers court a permis de souligner une forte influence du temps de revenu sur la précipitation intergranulaire et par donc sur les modes de rupture des alliages.
Author: Benjamin Decreus Publisher: ISBN: Category : Languages : fr Pages : 267
Book Description
L’objectif de cette étude est de progresser dans la compréhension des évolutions microstrucutrales de deux alliages Al-Li-Cu de la série 2000 lors du revenu et de faire le lien entre les microstructures obtenues et les propriétés mécaniques résultantes. En s’appuyant sur des techniques de caractérisation telles que la diffusion centrale des rayons X et la microsopie électronique nous avons pu identifier les séquences de précipitation lors du revenu et mesurer les cinétiques de croissance des principales phases en présence, à savoir T1 (Al2CuLi) et δ’ (Al3Li). En parallèle, l’étude des évolutions de limite élastique, de comportement plastique et de réversibilité du glissement lors du revenu ont permis de comprendre l’influence de la précipitation sur les évolutions de propriétés mécaniques. Enfin, l’étude de la ténacité dans le sens travers court a permis de souligner une forte influence du temps de revenu sur la précipitation intergranulaire et par donc sur les modes de rupture des alliages.
Author: Patrice E. A. Turchi Publisher: Springer Science & Business Media ISBN: 0387259538 Category : Technology & Engineering Languages : en Pages : 420
Book Description
One of the key aspects of this volume is to cut across the traditional taxonomy of disciplines in the study of alloys. Hence there has been a deliberate attempt to integrate the different approaches taken towards alloys as a class of materials in different fields, ranging from geology to metallurgical engineering. The emphasis of this book is to highlight commonalities between different fields with respect to how alloys are studied. The topics in this book fall into several themes, which suggest a number of different classification schemes. We have chosen a scheme that classifies the papers in the volume into the categories Microstructural Considerations, Ordering, Kinetics and Diffusion, Magnetic Considerations and Elastic Considerations. The book has juxtaposed apparently disparate approaches to similar physical processes, in the hope of revealing a more dynamic character of the processes under consideration. This monograph will invigorate new kinds of discussion and reveal challenges and new avenues to the description and prediction of properties of materials in the solid state and the conditions that produce them.
Author: Brian Cantor Publisher: CRC Press ISBN: 1000687651 Category : Science Languages : en Pages : 559
Book Description
Written by leading experts in their respective fields, Solidification and Casting provides a comprehensive review of topics fundamental to metallurgy and materials science as well as indicates recent trends. From an industrial perspective, the book begins with chapters on the casting techniques most commonly used in industry today. It then d
Author: R. Ciach Publisher: Springer Science & Business Media ISBN: 9780792352228 Category : Technology & Engineering Languages : en Pages : 538
Book Description
An expert exposition of the structural and mechanical properties of light alloys and composites, bridging the gap between scientists and industrial engineers in its consideration of advanced light materials, their structure, properties, technology and application. Includes basic problems of alloy constitution and phase transformations. The aluminium alloys are the main topic of the book, consideration being given to their properties, casting technology, thermomechanical treatment and structure. Attention is also given to the magnesium alloys, particularly those having rare earth metal constituents. Both commercial titanium alloys and intermetallic compounds are discussed, as are metallic composites. The latest engineering techniques are discussed in both theoretical and practical terms.
Author: Ahmed Belasri Publisher: Springer Nature ISBN: 9811554447 Category : Technology & Engineering Languages : en Pages : 659
Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author: H. Brodowsky Publisher: Springer Science & Business Media ISBN: 9400910274 Category : Technology & Engineering Languages : en Pages : 579
Book Description
The thermochemistry of alloys has interested generations of scientists and the subject was treated in classical textbooks long ago, e.g. by Hume-Rothery, by Wagner, and by Kubaschewski and Alcock. Nevertheless, the appearance of new materials and the desire to improve traditional materials and metallurgical processes has kept up demand for more information on the thermodynamics of these systems. The advent of computing power has created new opportunities to tie various aspects and properties together, such as phase diagrams and thermodynamic functions, that are in principle thermodynamically inter related but were too cumbersome to work out before. The computer has also been a powerful tool in buUding and testing models that help to explain the underlying causes of non-ideal behavior. At the same time, these calculations have pinpointed areas, where additional and more accurate data are needed. In the laboratory, new methods, improved materials, and sophistica ted instrumentation have gradually changed the way in which experiments are done. Within the time span of perhaps thirty years, the development went from jotting down individual readings of data points to strip chart recording to automatic digital data acquisition. Scholars and students active in the field of "Thermochemistry of Alloys" convened for a NATO Advanced Study Institute at Kiel in August 1987 to discuss these developments. This book collects most of the lectures and seminar papers given at the Institute.
Author: Benjamin Decreus
Author: Benjamin Decreus
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Author: Andre Guinier
Author: Patrice E. A. Turchi
Author: Brian Cantor
Author: R. Ciach
Author: Ahmed Belasri
Author: H. Brodowsky