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Taschenbuch. Condizione: 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.…

Condizione: New. &Uumlber den AutorCharles W. McDonald Jr. was born in Oklahoma City, raised in Norman, Oklahoma, and is a graduate of the University of Oklahoma with a BBA in Management Information Systems and a Minor in Economics. He also has a backgr.

Taschenbuch. Condizione: Neu. Neuware - We, the seeds of Humanity, are all the descendants of hardened criminals, fighting to survive the unmaking of A Throne of Souls.Magic and technology have already met on a world far more advanced than our own only to dispense their most dangerous and hardened criminals, for magic has been outlawed. Their descendants-us, here on Earth, along with the rest of Humanity-are now left to grapple with a Creation undone at the hands of an outlaw mage whose Master Plan affects the seeds of Humanity throughout the known Universe. This outlaw-this Dark Knight of Magic-must accumulate immeasurable power to thwart the fork of consequences that brought forth the making of A Throne of Souls. This story, this execution of his Master Plan originating centuries into the past, begins and ends with a triad of pivotal relationships and evolves through his understanding of his own soul. Within the Master Plan, the dichotomy between hate and hope, across a landscape far beyond epic, is illustrated through vibrant characters developed over two-and-a-half decades. IndieReader said, 'A Kingdom Forgotten is a textured, subtle and all-encompassing book for serious sci-fi fanatics willing to invest in more than one universe, and in all likelihood, willing to re-read it, too.'Onlinebookclub.org said (about A Kingdom Forgotten), 'The level of complexity is astounding. Frankly, I didn't feel that I knew what was going on for greater than a third of the novel. By the time I did figure out what was going on, I found a compelling story with a plot so different from any others I have read before, that I remained intrigued until the end. The style of storytelling is so radically different that I am undecided as to whether it is brilliant or insane.'Readers' Favorite said (about A Kingdom Forgotten), 'This is a monumental story with its unique kind of conflict and multiple storylines. Readers are introduced to powerful heroes, magic, portals into other worlds and times, medieval settings, and a lot more. The book is intelligently imagined and masterfully executed, and it is important to note that it isn't a light read. Yes, the story is complex on multiple levels, including the points of views that shift and that can cause some dizziness in the reader, the writing that is extraordinary, fraught with depths of meaning, and the storyline with numerous characters. Charles McDonald Jr. has created a story that is colossal and that combines various elements of the art of storytelling into one place. I was wowed by the writing and the characters, but most importantly, by the author's ability to unveil the depth of human emotion and consciousness. A Kingdom Forgotten is a story of great magnitude, one to read with focus, a story that will remind readers of their roots.'A Note from the Author: This intricate, thought-provoking, epic, and cerebral thriller breaks all the rules crossing over Sci-Fi, Fantasy, Fiction, Magical Realism, and Military-Fiction genres but as you start reading A Throne of Souls, it will become apparent why those rules had to be broken to tell this multi-world story of Humanity and Creation. I don't believe in traditional 'good' vs 'evil, ' single protagonist saves the world type of stories. My protagonists are not always 'good, ' and my antagonists are not always 'bad.' I believe in strong, multi-faceted characters that reflect the real-world, with real thoughts, emotions, and agendas. I wanted to bring something entirely different to the market and this is about as different as literary fiction gets. My goal was to be worthy of this inimitable story in the way that I tell it-to bring it to you in my voice but to do so beautifully, elegantly, and intelligently. Please enjoy it with all my best hopes and wishes. - Charles W. McDonald Jr.…

Buch. Condizione: 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.…

Condizione: New.

Agrobacterium tumefaciens (S. A. The Americ. Phytopathological Soc. Vol. 72, No. 12) 1982. S. 1545 - 1549. gr8. m. zahlr. Tab. gelocht. (St) geklammert -3) Sonderabdruck.

Gr.8°. 416 S. Mit zahlr. tls. farb. Abb. Original-Leinenband mit Schutzumschlag. Schutzumschlag etwas berieben, sonst gutes Exemplar. Gewicht (Gramm): 1140.

Paperback. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.