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Tungsten alloying in microalloyed steels is of growing academic and industrial interests due to its positive role in the aspects of microstructural modification and properties improvement. This book has systematically described the functions of tungsten alloying in microalloyed steels. Topics covered in this book include the effects of tungsten on the phase transformation behaviour of microalloyed steels by establishing the continuous cooling transformation diagrams in order to control the expected microstructure and the required mechanical properties; the effects of tungsten on the characteri

Tungsten alloys. --- Tungsten --- Tungsten steel. --- Microalloying. --- Micro-alloying --- Micro-metallurgy --- Metallurgy --- Alloys --- Steel --- Metallurgy.

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Written by an international expert, this book covers the processing, microstructure, and properties of cemented tungsten carbides. It is divided into 18 chapters covering wide areas from crystal structure to phase equilibria, production of metal and carbide powders, and much more. This book is ideal for researchers, plant engineers, and senior level students in metallurgical/mechanical/materials engineering who are interested in cemented carbides. There is no parallel book in print.

Metal-cutting tools. --- Tungsten carbide. --- Titanium carbide.

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The aim of the present work is to describe the deformation and fracture behavior of single crystal tungsten at the microscopic scale by using the ?nite element method. Therefore, the studies focus mainly on the in?uence of crystal orientation as well as the investigation of crack initiation and crack propagation. With a defined crack propagation model, the simulations of microbending allows for evaluating the details of the fracture process more accurately and supported the experimental studies.

Microcracking --- Finite elements --- Crystal plasticity --- Wolframeinkristall --- KristallplastizitätSingle Crystal Tungsten --- Bruchzähigkeit --- Finite Elemente --- Mikrorißbildung --- Fracture toughness

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Nuclear fusion is considered as a future source of sustainable energy supply. Since the H-mode discovery in ASDEX experiment ""Divertor I"" in 1982, the divertor has been an integral part of all modern tokamaks and stellarators. The major goal of this thesis is to develop a feasible divertor design for a fusion power plant to be built after ITER. The thesis describes the approach in the conceptual development of a helium-cooled divertor and the methods of verification and validation of the design.

machining and joining tungsten --- Fusion power plant --- high heat flux tests --- helium impingement cooling --- helium-cooled divertor

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Intended as a reference for the academically-oriented geologist as well as the practising economic geologist, this book is concerned with the study of skarn deposits having anomalously high tin or tungsten contents, or both. Unlike many other books on economic geology, both economic W-Sn skarns and non-economic examples are covered, in order to enable the academically-oriented reader to grasp the full range of such deposits, and also to aid the economic geologist in distinguishing between W-Sn skarns having economic potential and those which do not.W-Sn skarns are notoriously complex,

Skarn --- Granite --- Metamorphic rocks --- Tungsten ores --- Tin ores --- Hydrothermal deposits --- Granit --- Roches métamorphiques --- Tungstène --- Gîtes hydrothermaux --- Minerais --- Roches métamorphiques --- Tungstène --- Gîtes hydrothermaux --- Skarn. --- Granite. --- Rocks, Metamorphic. --- Tungsten ores. --- Tin ores. --- Hydrothermal deposits. --- Deposits, Hydrothermal --- Hydrothermal mineral deposits --- Hydrothermalites --- Ore deposits --- Ores --- Rocks, Metamorphic --- Rocks --- Granitic rocks --- Igneous rocks --- ETAIN --- TUNGSTENE --- MATIERES UTILES --- ELEMENTS CHIMIQUES --- GEOLOGIE APPLIQUEE --- GEOGRAPHIE INDUSTRIELLE ET MINIERE --- SYSTEMATIQUE DES RESSOURCES NATURELLES --- GITOLOGIE GENERALE --- MAGMATISME ACIDE --- INTRUSIF --- SKARNS