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Author: Jiayi Wang Publisher: ISBN: Category : Languages : en Pages :
Book Description
The integration of additive manufacturing into traditional metal casting provides a wide range of rapid casting solutions. One important motive for rapid casting is additive manufacturings ability to create highly complex objects without any fixture or tooling requirements. Such advantages provide great design freedom for the geometry of cast metal parts. The objective in this thesis is to explore the part design opportunistic and restrictions of two rapid casting processes: (1) sand casting with 3D Sand Printing-fabricated molds and (2) investment casting using material extrusionfabricated wax-like patterns. Knowledge-based design guidelines are developed for both of these rapid casting processes through novel integration of topology optimization with design for casting and design for AM principles. For each process, a case study is conducted in which a mechanical metal benchmark is topologically optimized and redesigned following the proposed design rules. The redesigned parts are successfully cast and demonstrate improvements in mechanical performance and weight reduction.
Author: Jiayi Wang Publisher: ISBN: Category : Languages : en Pages :
Book Description
The integration of additive manufacturing into traditional metal casting provides a wide range of rapid casting solutions. One important motive for rapid casting is additive manufacturings ability to create highly complex objects without any fixture or tooling requirements. Such advantages provide great design freedom for the geometry of cast metal parts. The objective in this thesis is to explore the part design opportunistic and restrictions of two rapid casting processes: (1) sand casting with 3D Sand Printing-fabricated molds and (2) investment casting using material extrusionfabricated wax-like patterns. Knowledge-based design guidelines are developed for both of these rapid casting processes through novel integration of topology optimization with design for casting and design for AM principles. For each process, a case study is conducted in which a mechanical metal benchmark is topologically optimized and redesigned following the proposed design rules. The redesigned parts are successfully cast and demonstrate improvements in mechanical performance and weight reduction.
Author: Wanlong Wang Publisher: Springer Science & Business Media ISBN: 1441957316 Category : Technology & Engineering Languages : en Pages : 175
Book Description
Rapid Tooling Guidelines for Sand Casting describes the guidelines for the sand casting industry in using rapid tooling processes. Topics in the seven chapters include sand casting processes, tool design and construction, fast freeform fabrication processes, rapid tooling processes, sand casting dimension control, rapid tooling evaluation methods and decision making processes. Twelve case studies will also be examined in the book.
Author: Christopher Richard Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
To leverage the unprecedented design freedom of additive manufacturing (AM), this work aims to develop a design methodology for lattice structures fabricated by rapid investment casting (RIC). What lattice topological properties have the most significant impact on the overall performance in RIC, and how to improve them? The hypothesis is that the relative strut size, number of joints, joint valence, and strut angle significantly affect the performance. There is no overarching analysis of the effect that lattice topology has on casting performance. To remedy this, various lattice topologies underwent mold flow simulation, finite element analysis, casting experiments, and grain structure analysis. From the results, a set of design guidelines for RIC is created, and new lattice structures are designed. The design recommendations by importance are as follows. A relative strut size, number of joints, and joint valence should be below 0.20, 9, and 8, respectively. For mechanical performance, the strut angle distribution should include vertical, diagonal, and horizontal struts. The two proposed topologies: proposed cell and hourglass, meet all these criteria and achieve good casting and mechanical performance.
Author: Malur Srinivasan Publisher: BoD – Books on Demand ISBN: 9535107747 Category : Technology & Engineering Languages : en Pages : 362
Book Description
This book deals with various science and technology factors that need careful consideration in producing a casting. It consists of 11 chapters contributed by experts in their respective fields. The topics include simulation of continuous casting process, control of solidification of continuous castings, influence of mold flux in continuous casting, segregation in strip casting of steel, developments in shell and solid investment mold processes, innovative pressure control during filling of sand molds, fracture toughness specifically of castings, permanent molding of cast iron, wear resistant castings and improvement of accuracy in estimating graphite nodularity in ductile iron castings.
Author: Duc Pham Publisher: Springer Science & Business Media ISBN: 1447107039 Category : Technology & Engineering Languages : en Pages : 238
Book Description
Rapid prototyping is an exciting new technology used to create physical models and functional prototypes directly from CAD models. Rapid tooling concerns the production of tooling using parts manufactured by rapid prototyping. The book describes the characteristics and capabilities of the main known rapid prototyping processes. It covers in detail various commercially available processes such as: Stereolithography (SLA), Selective Laser Sintering (SLS), and others. The text places a strong emphasis on practical applications and contains an abundance of photographs and diagrams to illustrate clearly the principles of the machines and processes involved.
Author: Martin Philip Bendsoe Publisher: Springer Science & Business Media ISBN: 1402047525 Category : Technology & Engineering Languages : en Pages : 602
Book Description
This volume offers edited papers presented at the IUTAM-Symposium Topological design optimization of structures, machines and materials - status and perspectives, October 2005. The papers cover the application of topological design optimization to fluid-solid interaction problems, acoustics problems, and to problems in biomechanics, as well as to other multiphysics problems. Also in focus are new basic modelling paradigms, covering new geometry modelling such as level-set methods and topological derivatives.
Author: Spiros Pantelakis Publisher: Springer Nature ISBN: 303035346X Category : Technology & Engineering Languages : en Pages : 405
Book Description
This book addresses the emerging needs of the aerospace industry by discussing recent developments and future trends of aeronautic materials. It is aimed at advancing existing materials and fostering the ability to develop novel materials with less weight, increased mechanical properties, more functionality, diverse manufacturing methods, and recyclability. The development of novel materials and multifunctional materials has helped to increase efficiency and safety, reduce costs, and decrease the environmental foot print of the aeronautical industry. In this book, integral metallic structures designed by disruptive concepts, including topology optimization and additive manufacturing, are highlighted.
Author: John Campbell Publisher: Elsevier ISBN: 0080476414 Category : Technology & Engineering Languages : en Pages : 218
Book Description
Each chapter of Professor Cambell's new book Castings Practice will take a look at one of his 10 rules. It is to be expected that the Rules wil one day be taken as an outline or blueprint for an international specification on the methods for making reliable castings.John Cambell has over two decades of experience in the casting industry and is the author of over 40 technical papers and patents. He has become well-known in the foundry industry as the originator of the Cosworth casting process, which is becoming accepted throughout the world as a new production process for the casting of cylinder heads and blocks. He is now Federal Mogul Professor of Casting Technology at the University of Birmingham.* Must-follow rules of castings, from one of the world's leading experts* Companion volume to the renowned book 'Castings' * Accessible and direct, provides essential information for students of metallurgy and foundry professionals alike
Author: Jiayi Wang
Author: Jiayi Wang
Author: Wanlong Wang
Author: 
Author: Christopher Richard
Author: Rupinder Singh
Author: Malur Srinivasan
Author: Duc Pham
Author: Martin Philip Bendsoe
Author: Spiros Pantelakis
Author: John Campbell