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Fortgeschrittene Methoden zur Beschreibung der Wirbelschicht-Sprühgranulation

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ISBN: 9783731500872 Year: Pages: VIII, 216 p. DOI: 10.5445/KSP/1000036117 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Chemical Engineering
Added to DOAB on : 2019-07-30 20:02:02
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A multiscale simulation model is developed by combining the CFD Simulation and the population balance equations to describe a transient process of fluidized bed spray granulation. In this model, the CFD simulation generates the particle growth and nucleation rates in consideration of fluid dynamics, drying and multiple interactions, such as drops deposition, dust integration and nucleation between different particles (drops, dust and granules).

Advances in Computer Simulation Studies on Crystal Growth

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ISBN: 9783038973560 9783038973577 Year: Pages: 206 DOI: 10.3390/books978-3-03897-357-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2018-11-16 11:51:21
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Crystals are indispensable in technology, nature, and our daily lives. For example, cooking uses many kinds of crystallized products, such as salt, sugar, and fat crystals; electronic devices contain semiconductor crystals; living organisms produce mineral crystals to maintain biological processes; and snow and ice crystals play a crucial role in climate change. For these and other topics related to crystals, an especially important area of research is crystal growth. Computer simulations of crystal growth have become increasingly important as a result of rapid increases in available computing power. Computer simulations can analyze and predict various aspects of crystal growth, including molecular-scale growth and nucleation mechanisms, the structure and dynamics of surfaces and interfaces, and pattern formation. This book presents state-of-the-art research and reviews of computer simulation studies on crystal growth for hard-sphere particles, organic molecules, ice, and functional materials. The studies use a variety of simulation methodologies, including molecular simulations, first-principles simulations, continuum simulations, and multiscale simulations. This book will interest graduate students and researchers in crystal growth science and technology and will provide a helpful reference for scientists who want to familiarize themselves with computer simulations of crystal growth.

Physical Metallurgy of High Manganese Steels

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ISBN: 9783039218561 / 9783039218578 Year: Pages: 212 DOI: 10.3390/books978-3-03921-857-8 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Mining and Metallurgy
Added to DOAB on : 2020-01-07 09:08:26
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The Special Issue ‘Physical Metallurgy of High Manganese Steels’ addresses the highly fascinating class of manganese-alloyed steels with manganese contents well above 3 mass%. The book gathers manuscripts from internationally recognized researchers with stimulating new ideas and original results. It consists of fifteen original research papers. Seven contributions focus on steels with manganese contents above 12 mass%. These contributions cover fundamental aspects of process-microstrcuture-properties relationships with processes ranging from cold and warm rolling over deep rolling to heat treatment. Novel findings regarding the fatigue and fracture behavior, deformation mechanisms, and computer-aided design are presented. Additionally, the Special Issue also reflects the current trend of reduced Mn content (3-12 mass%) in advanced high strength steels (AHSS). Eight contributions were dedicated to these alloys, which are often referred to as 3rd generation AHSS, medium manganese steels or quenching and partitioning (Q&P/Q+P) steels. The interplay between advanced processing, mainly novel annealing variants, and microstructure evolution has been addressed using computational and experimental approaches. A deeper understanding of strain-rate sensitivity, hydrogen embrittlement, phase transformations, and the consequences for the materials’ properties has been developed. Hence, the topics included are manifold, fundamental-science oriented and, at the same time, relevant to industrial application.

Keywords

medium-manganese steel --- TRIP --- strain-rate sensitivity --- Lüders band --- serrated flow --- in-situ DIC tensile tests --- TWIP steel --- deformation twinning --- serrated flow --- dynamic strain aging --- damage --- fracture --- medium-manganese --- forging --- austenite reversion --- mechanical properties --- microstructure --- D&amp --- P steel --- processing --- microstructure --- phase transformation --- dislocation density --- mechanical properties --- MMn steel X20CrNiMnVN18-5-10 --- V alloying --- corrosion resistance --- precipitations --- ultrafine grains --- high-manganese steels --- high-entropy alloys --- alloy design --- plastic deformation --- annealing --- microstructure --- texture --- mechanical properties --- neutron diffraction --- austenite stability --- medium manganese steel --- double soaking --- localized deformation --- medium-Mn steel --- hot-stamping --- double soaking --- continuous annealing --- quenching and partitioning --- high strength steel --- high manganese steel --- crash box --- lightweight --- multiscale simulation --- high-Mn steels --- twinning induced plasticity --- cold rolling --- recrystallization annealing --- grain refinement --- strengthening --- austenitic high nitrogen steel (HNS) --- cold deformation --- fatigue --- high manganese steel --- warm rolling --- processing --- microstructure --- texture --- mechanical properties --- deformation behavior --- high-manganese steel --- deep rolling --- TWIP --- TRIP --- near surface properties --- residual stresses --- fatigue behavior --- intercritical annealing --- medium manganese steel --- phase field simulation --- medium-Mn steel --- austenite-reversed-transformation --- retained austenite --- hydrogen embrittlement --- ultrafine-grained microstructure --- strain-hardening behavior --- n/a

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