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Microstructure and Mechanical Properties of Structural Metals and Alloys

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ISBN: 9783038975052 / 9783038975069 Year: Pages: 272 DOI: 10.3390/books978-3-03897-506-9 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Chemical Engineering
Added to DOAB on : 2019-06-26 08:44:06
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Abstract

The papers collected in this special issue clearly reflect the modern research trends in materials science. These fields of specific attention are high-Mn TWIP steels, high-Cr heat resistant steels, aluminum alloys, ultrafine grained materials including those developed by severe plastic deformation, and high-entropy alloys. The major portion of the collected papers is focused on the mechanisms of microstructure evolution and the mechanical properties of metallic materials subjected to various thermo-mechanical, deformation or heat treatments. Another large portion of the studies is aimed on the elaboration of alloying design of advanced steels and alloys. The changes in phase content, transformation and particle precipitation and their effect on the properties are also broadly presented in this collection, including the microstructure/property changes caused by irradiation.

Keywords

Mg–Sm–Zn–Zr --- dynamic precipitation --- microstructure --- mechanical property --- bimodal ferrite steel --- ultrafine-grained microstructure --- mechanical properties --- corrosion resistance --- abnormal grain growth --- grain boundary engineering --- electron backscattered diffraction --- growth rate --- Al metal matrix composites --- microstructure --- mechanical properties --- strengthening mechanism --- hot compression --- dynamic recovery --- dynamic recrystallization --- texture --- aluminum alloys --- Al-Fe-Si-Zr system --- microstructure --- hardness --- electrical conductivity --- metal–matrix composite --- high-pressure torsion --- microstructure evolution --- microhardness --- shape memory alloy --- columnar grain --- Cu-Al-Mn --- elastocaloric effect --- strain rate --- measuring temperature --- creep --- lead-free solder --- Sb solder --- Sn-8.0Sb-3.0Ag --- solder microstructure --- martensitic steels --- creep --- precipitation --- electron microscopy --- high-Mn TWIP steel --- cold rolling --- annealing --- recovery --- recrystallization --- strengthening --- austenitic 304 stainless steels --- sub-merged arc welding --- post-weld heat treatment --- aluminum alloys --- aging --- precipitation --- electrical resistivity --- mechanical properties --- ferritic steel --- irradiation --- nanoindentation --- hardness --- transmission electron microscopy (TEM) --- microstructure --- high-entropy alloys --- high-pressure torsion --- microstructure evolution --- twinning --- mechanical properties --- welded rotor --- weld metal --- impact toughness --- PWHT --- microstructure evolution --- Cu-Cr-Zr --- precipitation --- orientation relationship --- recrystallization --- annealing twins --- structural steel plate --- nonmetallic inclusions --- rare earth control --- M23C6 --- ion irradiation --- M6C --- amorphization --- RAFM steels --- hot stamping --- press hardening --- martensitic expansion --- force peak --- cycle time --- high-Mn steel --- deformation twinning --- dynamic recrystallization --- grain refinement --- work hardening --- in situ tensile testing --- super duplex stainless steel --- SDSS --- low-temperature --- ?-phase --- SEM --- EBSD --- microstructure analysis --- n/a

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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Abstract

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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MDPI - Multidisciplinary Digital Publishing Institute (2)


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CC by-nc-nd (2)


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eng (2)


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2019 (2)