michael w knauf (18 resultados)

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Taschenbuch. Condición: Neu. Neuware - Tension-tension fatigue behavior of a prototype Silicon Carbide/Silicon Carbide (SiC/SiC) ceramic matrix composite (CMC) material was investigated at 1000°C in laboratory air and in steam environments. The material consists of a SiC matrix reinforced with CG NICALONâ?[ fibers woven in an eight harness satin weave (8HSW) and coated with a BN/SiC dual-layer interphase. The composite was manufactured by a Polymer Infiltration and Pyrolysis (PIP) process. A seal coat of SiC and elemental boron was applied to the test specimens after machining. The tensile stress-strain behavior was investigated and the tensile properties were measured at 1000°C. Tension-tension fatigue behavior was studied for fatigue stresses ranging from 60 to 100 MPa. The fatigue limit (based on a run-out condition of 2 x 10â µ cycles) was 80 MPa, which is 59% of the Ultimate Tensile Strength (UTS). The material retained 82% of its tensile strength. The presence of steam significantly degraded the fatigue performance at 1000°C. In steam the fatigue limit dropped below 60 MPa (44% UTS). Microstructural analysis revealed severe oxidation occurring in the specimens tested in steam, which resulted in accelerated damage development and failure. Through quantitative and qualitative analysis, the damage and premature failure of the composite in the steam environment is believed to be due to oxidation embrittlement. This material also showed considerably worse performance than similar SiC/SiC composites with a great deal of variability between specimens cut from different panels. The possibility exists that inadequate process control may be behind the degraded performance of the material and the panel-to-panel variability in performance.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Buch. Condición: Neu. Neuware - Tension-tension fatigue behavior of a prototype Silicon Carbide/Silicon Carbide (SiC/SiC) ceramic matrix composite (CMC) material was investigated at 1000°C in laboratory air and in steam environments. The material consists of a SiC matrix reinforced with CG NICALONâ?[ fibers woven in an eight harness satin weave (8HSW) and coated with a BN/SiC dual-layer interphase. The composite was manufactured by a Polymer Infiltration and Pyrolysis (PIP) process. A seal coat of SiC and elemental boron was applied to the test specimens after machining. The tensile stress-strain behavior was investigated and the tensile properties were measured at 1000°C. Tension-tension fatigue behavior was studied for fatigue stresses ranging from 60 to 100 MPa. The fatigue limit (based on a run-out condition of 2 x 10â µ cycles) was 80 MPa, which is 59% of the Ultimate Tensile Strength (UTS). The material retained 82% of its tensile strength. The presence of steam significantly degraded the fatigue performance at 1000°C. In steam the fatigue limit dropped below 60 MPa (44% UTS). Microstructural analysis revealed severe oxidation occurring in the specimens tested in steam, which resulted in accelerated damage development and failure. Through quantitative and qualitative analysis, the damage and premature failure of the composite in the steam environment is believed to be due to oxidation embrittlement. This material also showed considerably worse performance than similar SiC/SiC composites with a great deal of variability between specimens cut from different panels. The possibility exists that inadequate process control may be behind the degraded performance of the material and the panel-to-panel variability in performance.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Hardcover. Condición: gut. Auflage: 2. Werden Sie Therapieexperte! Dieses Buch hilft Ihnen dabei, die richtigen Arzneimittelentscheidungen zu treffen! - Interdisziplinär: Ausführliche Informationen zur Pharmakotherapie der häufigsten Erkrankungen in zahlreichen Fachgebieten. Damit ist das Buch auch ein idealer Ratgeber für Fragestellungen, die über Ihr "eigenes" Fachgebiet hinausgehen! - Evidenzbasiert: Die Empfehlungen zur Pharmakotherapie sind bewertet und kommentiert hinsichtlich der Frage, ob bzw. wie sie durch Studien abgesichert sind. Das gibt Ihnen die notwendige Sicherheit! - Verständlich: Die Wirkprinzipien von Arzneimitteln werden im Kontext von pathophysiologischen Aspekten erläutert. - Wissenschaftlich fundiert: Hoch qualifizierte Autoren aus Wissenschaft und klinischer Praxis stehen für Aktualität und Praxisnähe der Inhalte! - Bestens illustiert: Hochwertige Grafiken und klinische Abbildungen machen wichtige Zusammenhänge noch klarer. - Aktuell: Für die zweite Auflage wurden sämtliche Inhalte überarbeitet und aktualisiert, die aktuelle Studienlage wurde berücksichtigt. Der "Wehling" - Entscheidungskompetenz für den sinnvollen und ökonomischen Einsatz von Medikamenten! Co-Autor Elmar Busch, Hans Christoph Diener, Edgar Dippel, Ulrike Ebert, Jürgen C. Frölich, Astrid Gendolla, Marcus Gerwig, Sergij Goerdt, Lisa Goltz, Michael N. Göke, Johannes Hadem, Jost B. Jonas, Oliver Kastrup, Ulrich Keilholz, Herbert Kellner, Wilhelm Kirch, Wolfgang Knauf, Jutta Krappweis, Anna-Isabelle Kälsch, Marcus Lenk, Volker Limmroth, Hartmut Lode, Wiebke Ludwig-Peitsch, Michael P. Manns, Peter Norbert Meier, Hans-Jürgen Möller, Dirk Müller-Wieland, Norbert Müller, Michael Notter, Johann Ockenga, Wolfgang E. Paulus, Andrej Potthoff, Michael Riedel, Dirk Schadendorf, Christoph Schindler, Hubert Schrezenmeier, Ute I. Schwarz, W. Emanuel Severus, Ralf Stahlmann, Bernhard Steinhoff, Eckhard Thiel, Siegfried Wagner, Christoph Wanner, Heiner Wedemeyer, Jochen Wedemeyer, Martin Wehling, Elke Weisshaar, Christos C. Zouboulis Sprache deutsch Maße 195 x 270 mm Gewicht 2204 g Medizin Pharmazie Klinik und Praxis Pharmakologie Pharmakotherapie Arzneimittel Klinische Pharmakologie Medikamente medikamentöse Therapie Pharmaka Pharmakologie Pharmakologe Handbuch Lehrbuch Spezielle Pharmakologie Toxikologie Vergiftungen Wirkstoffe ISBN-10 3-13-126822-0 / 3131268220 ISBN-13 978-3-13-126822-8 / 9783131268228 Klinische Pharmakologie [Gebundene Ausgabe] Martin Wehling (Herausgeber) Co-Autor Elmar Busch, Hans Christoph Diener, Edgar Dippel, Ulrike Ebert, Jürgen C. Frölich, Astrid Gendolla, Marcus Gerwig, Sergij Goerdt, Lisa Goltz, Michael N. Göke, Johannes Hadem, Jost B. Jonas, Oliver Kastrup, Ulrich Keilholz, Herbert Kellner, Wilhelm Kirch, Wolfgang Knauf, Jutta Krappweis, Anna-Isabelle Kälsch, Marcus Lenk, Volker Limmroth, Hartmut Lode, Wiebke Ludwig-Peitsch, Michael P. Manns, Peter Norbert Meier, Hans-Jürgen Möller, Dirk Müller-Wieland, Norbert Müller, Michael Notter, Johann Ockenga, Wolfgang E. Paulus, Andrej Potthoff, Michael Riedel, Dirk Schadendorf, Christoph Schindler, Hubert Schrezenmeier, Ute I. Schwarz, W. Emanuel Severus, Ralf Stahlmann, Bernhard Steinhoff, Eckhard Thiel, Siegfried Wagner, Christoph Wanner, Heiner Wedemeyer, Jochen Wedemeyer, Martin Wehling, Elke Weisshaar, Christos C. Zouboulis Arznei Arzneien Arzneimittel In deutscher Sprache. 719 pages. 27,4 x 20,4 x 4 cm.

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