A Finite Element Model for the Simulation of Powder Metallurgy Forming Processes Including Metal Matrix Composites PDF Download
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Author: Minisandram Seshadri Ramesh
Publisher:
ISBN:
Category :
Languages : en
Pages : 244
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Author: Minisandram Seshadri Ramesh
Publisher:
ISBN:
Category :
Languages : en
Pages : 244
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Author: Kurt Lange
Publisher: Springer
ISBN: 9783540165927
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
The production-costs of formed workpieces are in an increasing extent fixed through the costs for designing and manufacturing the tools. Nowadays, it is possi b 1 e to reduce these redundant tool-costs by app lyi ng modern numeri ca 1 simulation techniques such as the finite element type procedures. In thi s context, the basic ojecti ve of the workshop SUtoP ( imul ation of !: !etal F rming rocesses by the Finite Element Method) was to determine and - especially - to discuss the level of finite-element-simulations of metal-forming processes with regard to technological utilization. On this purpose, eight presentations have been selected to focus the discussions onto the prime aspects such as: - technological aspects (bulk metal forming versus sheet metal forming), - constitutive laws (rigid-plastic versus elastic-plastic versus visko-pl- tic material laws), - coupled analysis (thermo-mechanical coupling), - kinematical description (Eulerian versus Lagrangian formulations, co-ro- tional formulations etc.), - numerical problems (incompressibility, integration of constitutive eq- tions, iterative and incremental schemas, etc.), as well as - contact problems (friction, heat-transfer, etc.). In order to promote discussions, the audience of the workshop was limited to 50 participants. Due to this fact, we had to refuse unfortunately many app 1 i cat ions. However, we hope that these proceedi ngs - whi ch also inc 1 ude the discussions in an almost complete extent - will be a compensation for those who could not attend the workshop SIMOP-I.
Author: Joong-Yeon Lim
Publisher:
ISBN:
Category :
Languages : en
Pages : 256
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Author: Chinghua Hung
Publisher:
ISBN:
Category :
Languages : en
Pages : 320
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Author: M. M. Rahman
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845403977
Category :
Languages : en
Pages : 196
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Book Description
The development of finite element model for the simulation of a complete warm forming process of powder sintered component is presented here. The material constitutive laws were derived based on a continuum mechanics approach. The process of green compact generation was represented by a large displacement based finite element formulation. Three constitutive relations, i.e., Mohr-Coulomb, Elliptical Cap, and combination of these two yield models were used to describe the deformation behaviour of the powder mass during compaction. However, an Elliptical Cap model was shown to be the most appropriate. A plasticity theory of friction was employed in the treatment of the powder-tooling interface. The Roscoe-Burland criterion was used to describe the densification and dimensional change of the compact during the sintering. The staggered-incremental-iterative solution strategy was established to solve the non-linearity in the systems of equations. The numerical simulation results were validated through experimentation where a good agreement was observed.
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 1066
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Author:
Publisher:
ISBN:
Category : Powder metallurgy
Languages : en
Pages : 624
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 700
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 480
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Author: National Institute of Standards and Technology (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 480
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