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Dispersionsverstärkte Sinterstähle hergestellt über Field Assisted Sintering

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Book Series: Schriftenreihe des Instituts für Keramik im Maschinenbau - IKM ISSN: 14363488 ISBN: 9783866446854 Year: Volume: 58 Pages: II, 146 p. DOI: 10.5445/KSP/1000023285 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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Es wird die Herstellung und Charakterisierung von partikulären Stahl-Keramik-Verbundwerkstoffen beschrieben. Die Rohmaterialien wurden pulvermetallurgisch verarbeitet und durch sogenanntes ""Field Assisted Sintering"" (auch SPS) verdichtet. Anschließend wurde Mikrostruktur, Härtbarkeit, mechanische und tribologische Eigenschaften untersucht. Härte und Verschleißbeständigkeit konnten deutlich verbessert werden, wobei die Festigkeit und Zähigkeit mit höheren Partikelgehalten deutlich abnahm.

Materials for Nuclear Waste Immobilization

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ISBN: 9783039218462 9783039218479 Year: Pages: 220 DOI: 10.3390/books978-3-03921-847-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
Added to DOAB on : 2020-01-30 16:39:46
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The book outlines recent advances in nuclear wasteform materials including glasses, ceramics and cements and spent nuclear fuel. It focuses on durability aspects and contains data on performance of nuclear wasteforms as well as expected behavior in a disposal environment.

Advances in Hard-to-Cut Materials: Manufacturing, Properties, Process Mechanics and Evaluation of Surface Integrity

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ISBN: 9783039283545 9783039283552 Year: Pages: 222 DOI: 10.3390/books978-3-03928-355-2 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
Added to DOAB on : 2020-04-07 23:07:09
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The rapid growth of modern industry has resulted in a growing demand for construction materials with excellent operational properties. However, the improved features of these materials can significantly hinder their manufacture and, therefore, they can be defined as hard-to-cut. The main difficulties during the manufacturing/processing of hard-to-cut materials are attributed especially to their high hardness and abrasion resistance, high strength at room or elevated temperatures, increased thermal conductivity, as well as resistance to oxidation and corrosion. Nowadays, the group of hard-to-cut materials is extensive and still expanding, which is attributed to the development of a novel manufacturing techniques (e.g., additive technologies). Currently, the group of hard-to-cut materials mainly includes hardened and stainless steels, titanium, cobalt and nickel alloys, composites, ceramics, as well as the hard clads fabricated by additive techniques. This Special Issue, “Advances in Hard-to-Cut Materials: Manufacturing, Properties, Process Mechanics and Evaluation of Surface Integrity”, provides the collection of research papers regarding the various problems correlated with hard-to-cut materials. The analysis of these studies reveals the primary directions regarding the developments in manufacturing methods, characterization, and optimization of hard-to-cut materials.

Structure and Mechanical Properties of Transition Group Metals, Alloys, and Intermetallic Compounds

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ISBN: 9783039211463 9783039211470 Year: Pages: 222 DOI: 10.3390/books978-3-03921-147-0 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-08-28 11:21:27
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The aim of this Special Issue is to present the latest theoretical and experimental achievements concerning the mechanisms of microstructural change in metallic materials subject to different processing methods, and their effect on mechanical properties. It is my pleasure to present a series of compelling scientific papers written by scientists from the community of transition group metals, alloys, and intermetallic compounds.

Keywords

metal matrix composites --- laser metal deposition --- Inconel 625 --- additive manufacturing --- laser processing --- metal matrix composites --- Z-pin reinforcement --- delamination --- carbon fiber --- strengthening mechanisms --- severe plastic deformation (SPD) --- cross-channel extrusion (CCE) --- back pressure (BP) --- numerical simulation (FEM) --- physical modeling technique (PMT) --- metal–matrix composites (MMCs) --- carbon fiber --- mechanical properties --- z-pin reinforcement --- laminate --- titanium alloys --- high pressure torsion --- microhardness --- Cu–Ag alloy --- high-pressure torsion --- ultrafine microstructure --- phase dissolution --- microhardness --- friction stir welding --- heat treatment --- AA2519 --- microstructure --- fatigue --- fractography --- AZ91 --- magnesium alloys --- creep --- high pressure die casting --- additive manufacturing --- Ti-6Al-4V --- LENS --- mechanical characterization --- twin roll casting --- magnesium alloy --- calcium --- Mg-Zn-Al-Ca alloy --- texture --- flow curve --- processing map --- honeycomb structure --- additive manufacturing --- laser engineered net shaping --- LENS --- Ti6Al4V alloy --- energy absorption --- dynamic tests --- solidification thermal parameters --- Cu-Al-Ni-Fe bronze alloys --- hardness --- microhardness --- specific intermetallics --- MAX phase --- Ti3SiC2 --- composite --- high energy ball milling --- spark plasma sintering --- structure --- mechanical properties --- deformation behavior --- tribaloy-type alloy --- CoCrMoSi alloy coatings --- T-800 alloy --- Laves phase --- Laser Engineered Net Shaping (LENSTM) --- electron microscopy (in situ SEM) --- delamination --- metal matrix composites (MMCs) --- z-pinning

Biomaterials for Bone Tissue Engineering

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ISBN: 9783039289653 / 9783039289660 Year: Pages: 244 DOI: 10.3390/books978-3-03928-966-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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Bone tissue engineering aims to develop artificial bone substitutes that partially or totally restore the natural regeneration capability of bone tissue lost under circumstances of injury, significant defects, or diseases such as osteoporosis. In this context, biomaterials are the keystone of the methodology. Biomaterials for bone tissue engineering have evolved from biocompatible materials that mimic the physical and chemical environment of bone tissue to a new generation of materials that actively interacts with the physiological environment, accelerating bone tissue growth. Mathematical modelling and simulation are important tools in the overall methodology. This book presents an overview of the current investigations and recent contributions in the field of bone tissue engineering. It includes several successful examples of multidisciplinary collaboration in this transversal area of research. The book is intended for students, researchers, and professionals of a number of disciplines, such as engineering, mathematics, physics, chemistry, biomedicine, biology, and veterinary. The book is composed of an editorial section and 16 original research papers authored by leading researchers of this discipline from different laboratories across the world

Keywords

Pelvis --- Bone tumor --- 3D-printed implant --- Fixation design --- von Mises stress --- dental implants --- osseointegration --- resonance frequency analysis --- biomaterials --- titanium --- powder metallurgy --- loose sintering --- finite element method --- mechanical behaviour --- bone tissue regeneration --- computed tomography --- Xenografts --- stem cell --- cartilage --- finite element --- finite-element simulation --- electric stimulation --- bone regeneration --- computational modelling --- electrically active implants --- bioelectromagnetism --- critical size defect --- maxillofacial --- minipig --- oxygen delivery --- optimization --- mass transfer --- transport --- bone tissue engineering --- computational fluid dynamics --- Lattice Boltzmann method --- scaffold design --- culturing protocol --- Lagrangian scalar tracking --- cortical bone --- damage --- finite elements --- numerical results --- adipogenesis --- bone marrow --- MSCs --- prediction marker --- bone tissue --- elastoplasticity --- finite element method --- fracture risk --- osteoporosis --- trabeculae --- trabecular bone score --- vertebra --- biomechanics --- finite element modelling --- pelvis --- bone adaptation --- musculoskeletal modelling --- bone tissue engineering --- biomaterials --- computational mechanobiology --- numerical methods in bioengineering --- Ti6Al4V scaffolds --- triply periodic minimal surfaces --- selective laser melting --- additive manufacturing --- biomaterial applications --- finite element analysis --- spark plasma sintering --- wollastonite --- human dental pulp stem cells --- substrate-mediated electrical stimulation --- direct current electric field --- osteo-differentiation --- bone morphogenesis proteins --- cortical bone --- digital image correlation --- multiscale analysis --- micromechanics --- computational mechanics --- cone beam computed tomography --- automatic segmentation --- sliding window --- 3D virtual surgical plan --- Otsu’s method --- n/a

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