Omed Abdullah (25 results)

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Taschenbuch. Condition: Neu. Modeling the Lattice Parameters of Solid Solution Alloys | Omed Abdullah | Taschenbuch | 72 S. | Englisch | 2017 | Anchor Academic Publishing | EAN 9783960670988 | Verantwortliche Person für die EU: Dryas Verlag, ein Imprint der Bedey und Thoms Media GmbH, Hermannstal 119k, 22119 Hamburg, kontakt[at]dryas[dot]de | Anbieter: preigu.

Taschenbuch. Condition: Neu. Finite Element Simulation of Ceramic Powder Compaction | Uniaxial Compaction of Alumina Ceramic Powder | Omed Gh. Abdullah | Taschenbuch | 152 S. | Englisch | 2016 | LAP LAMBERT Academic Publishing | EAN 9783659926501 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

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Condition: New. Print on Demand pp. 74.

Condition: New. Print on Demand pp. 74.

Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In this book, models for the prediction of lattice parameters of substitutional and interstitial solid solutions as a function of concentration and temperature are presented. For substitutional solid solutions, the method is based on the hypothesis that the measured lattice parameter versus concentration is the average of the interatomic spacing within a selected region of a Bravais lattice. The model is applied on Ni-Cu and Ge-Si solid solutions.For the interstitial solid solution of the Fe-C system, the method is based on the assumption that the change in lattice parameter of the pure Fe phase is due to the occupation by carbon atoms to the octahedral holes in the fcc austenite; and bct martensite.The model of lattice parameter versus temperature for both substitutional and interstitial solid solutions is based on the relative change in length and vacancy concentration at lattice sites that are in thermal equilibrium. Combinations of both models then facilitate the calculation of lattice parameters as a function of concentration and temperature. The results are discussed accordingly. 72 pp. Englisch.

Condition: New. PRINT ON DEMAND pp. 74.

Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The growing interest in solid polymer electrolytes arises from the possibility of their applications in various solid state electrochemical devices. Polymer electrolytes are ion conducting solid solution of inorganic electrolyte salt in ion-coordinating polymers. Optical characterization of polymer electrolytes are of particular importance, as these materials are intended for practical application in various fields. 52 pp. Englisch.

PAP. Condition: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The green compact of uniform density is a fundamental requirement for the production of a good quality and high strength part. Density inhomogeneity can be caused by friction force owing to interparticle movement and relative slip between the powder particles and the die wall. Also, the die geometry and the sequence of punch movements results in a lack of density homogeneity for a compact of complex shape. In this study the mechanical behavior of alumina ceramic powder during maximum applied stress stage to the unloading and after the ejection are analyzed using Finite Element Methods, in which the powder is modeled as an elastic-plastic continuum material. The modify Drucker-Prager Cap model was chosen as the yield surface of the medium, the surface consists of a linear shear failure, transition, and elliptic cap surface. The elastic properties and plastic parameters of the model were expressed as a function of density, from which realistic powder properties are generated and fed into ABAQUS finite element code; and the constitutive modeling of the frictional behavior of the powder in the die is modeled by Coulomb's friction low. 152 pp. Englisch.

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abdullah OmedUndergraduate report submitted to the Department of Physics, College of Science, University of SulaimaniThe growing interest in solid polymer electrolytes arises from the possibility of their applications in various .

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. In this book, models for the prediction of lattice parameters of substitutional and interstitial solid solutions as a function of concentration and temperature are presented. For substitutional solid solutions, the method is based on the hypothesis that the.

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abdullah Omed Gh.Omed Gh. Abdullah, is an assistant professor of materials science in physics department, college of Science, University of Sulaimani, Kurdistan Region-Iraq. His main research interests include fabrication and charact.

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In this book, models for the prediction of lattice parameters of substitutional and interstitial solid solutions as a function of concentration and temperature are presented. For substitutional solid solutions, the method is based on the hypothesis that the measured lattice parameter versus concentration is the average of the interatomic spacing within a selected region of a Bravais lattice. The model is applied on Ni-Cu and Ge-Si solid solutions.For the interstitial solid solution of the Fe-C system, the method is based on the assumption that the change in lattice parameter of the pure Fe phase is due to the occupation by carbon atoms to the octahedral holes in the fcc austenite; and bct martensite.The model of lattice parameter versus temperature for both substitutional and interstitial solid solutions is based on the relative change in length and vacancy concentration at lattice sites that are in thermal equilibrium. Combinations of both models then facilitate the calculation of lattice parameters as a function of concentration and temperature. The results are discussed accordingly.Diplomica Verlag, Hermannstal 119k, 22119 Hamburg 72 pp. Englisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - In this book, models for the prediction of lattice parameters of substitutional and interstitial solid solutions as a function of concentration and temperature are presented. For substitutional solid solutions, the method is based on the hypothesis that the measured lattice parameter versus concentration is the average of the interatomic spacing within a selected region of a Bravais lattice. The model is applied on Ni-Cu and Ge-Si solid solutions.For the interstitial solid solution of the Fe-C system, the method is based on the assumption that the change in lattice parameter of the pure Fe phase is due to the occupation by carbon atoms to the octahedral holes in the fcc austenite; and bct martensite.The model of lattice parameter versus temperature for both substitutional and interstitial solid solutions is based on the relative change in length and vacancy concentration at lattice sites that are in thermal equilibrium. Combinations of both models then facilitate the calculation of lattice parameters as a function of concentration and temperature. The results are discussed accordingly.

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The growing interest in solid polymer electrolytes arises from the possibility of their applications in various solid state electrochemical devices. Polymer electrolytes are ion conducting solid solution of inorganic electrolyte salt in ion-coordinating polymers. Optical characterization of polymer electrolytes are of particular importance, as these materials are intended for practical application in various fields.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 52 pp. Englisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The growing interest in solid polymer electrolytes arises from the possibility of their applications in various solid state electrochemical devices. Polymer electrolytes are ion conducting solid solution of inorganic electrolyte salt in ion-coordinating polymers. Optical characterization of polymer electrolytes are of particular importance, as these materials are intended for practical application in various fields.

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The green compact of uniform density is a fundamental requirement for the production of a good quality and high strength part. Density inhomogeneity can be caused by friction force owing to interparticle movement and relative slip between the powder particles and the die wall. Also, the die geometry and the sequence of punch movements results in a lack of density homogeneity for a compact of complex shape. In this study the mechanical behavior of alumina ceramic powder during maximum applied stress stage to the unloading and after the ejection are analyzed using Finite Element Methods, in which the powder is modeled as an elastic-plastic continuum material. The modify Drucker-Prager Cap model was chosen as the yield surface of the medium, the surface consists of a linear shear failure, transition, and elliptic cap surface. The elastic properties and plastic parameters of the model were expressed as a function of density, from which realistic powder properties are generated and fed into ABAQUS finite element code; and the constitutive modeling of the frictional behavior of the powder in the die is modeled by Coulomb's friction low.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 152 pp. Englisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The green compact of uniform density is a fundamental requirement for the production of a good quality and high strength part. Density inhomogeneity can be caused by friction force owing to interparticle movement and relative slip between the powder particles and the die wall. Also, the die geometry and the sequence of punch movements results in a lack of density homogeneity for a compact of complex shape. In this study the mechanical behavior of alumina ceramic powder during maximum applied stress stage to the unloading and after the ejection are analyzed using Finite Element Methods, in which the powder is modeled as an elastic-plastic continuum material. The modify Drucker-Prager Cap model was chosen as the yield surface of the medium, the surface consists of a linear shear failure, transition, and elliptic cap surface. The elastic properties and plastic parameters of the model were expressed as a function of density, from which realistic powder properties are generated and fed into ABAQUS finite element code; and the constitutive modeling of the frictional behavior of the powder in the die is modeled by Coulomb's friction low.