| 1. |
- Agelet de Saracibar, Carlos, et al.
(author)
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Shaped Metal Deposition Processes
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 4347-4355
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Book chapter (peer-reviewed)abstract
- The shaped metal deposition (SMD) process is a novel manufacturing technology which is similar to the multi-pass welding used for building features such as lugs and flanges on components [1–7]. This innovative technique is of great interest due to the possibility of employing standard welding equipment without the need for extensive new investment [8, 9]. The numerical simulation of SMD processes has been one of the research topics of great interest over the last years and requires a fully coupled thermo-mechanical formulation, including phase-change phenomena defined in terms of both latent heat release and shrinkage effects [1–6]. It is shown how computational welding mechanics models can be used to model SMD for prediction of temperature evolution, transient, as well as residual stresses and distortions due to the successive welding layers deposited. Material behavior is characterized by a thermo-elasto-viscoplastic constitutive model coupled with a metallurgical model [6]. Two different materials, nickel superalloy 718 [6] and titanium Ti-6Al-4 V [7], are considered in this work. Both heat convection and heat radiation models are introduced to dissipate heat through the boundaries of the component. The in-house-developed coupled thermo-mechanical finite element (FE) software COMET [10] is used to deal with the numerical simulation, and an ad hoc activation methodology is formulated to simulate the deposition of the different layers of filler material.
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| 2. |
- Andersson, Lars-Erik
(author)
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Existence and uniqueness for thermoelastic contact
- 2013
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In: Encyclopedia of Thermal Stresses. - : Springer. - 9789400727380 ; , s. -6643
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Book chapter (other academic/artistic)abstract
- The Encyclopedia of Thermal Stresses is an important interdisciplinary reference work. In addition to topics on thermal stresses, it contains entries on related topics, such as the theory of elasticity, heat conduction, thermodynamics, appropriate topics on applied mathematics, and topics on numerical methods. The Encyclopedia is aimed at undergraduate and graduate students, researchers and engineers. It brings together well established knowledge and recently received results. All entries were prepared by leading experts from all over the world, and are presented in an easily accessible format. The work is lavishly illustrated, examples and applications are given where appropriate, ideas for further development abound, and the work will challenge many students and researchers to pursue new results of their own. This work can also serve as a one-stop resource for all who need succinct, concise, reliable and up to date information in short encyclopedic entries, while the extensive references will be of interest to those who need further information. For the coming decade, this is likely to remain the most extensive and authoritative work on Thermal Stresses
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| 3. |
- Fisk, Martin
(author)
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Induction Heating
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Springer. - 9789400727380 ; , s. 2419-2426
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Book chapter (other academic/artistic)abstract
- Induction heating is the process of heating a material through the generation of eddy current. An external applied alternating magnetic field is applied, and heat is generated from the resistance to the eddy current (i.e., Joule heating). Eddy current is the main heat source; however, heat may also be generated in magnetic materials from alternating magnetization and hysteresis. The induced current is commonly called eddy current, although it is also known as Foucault current after its discoverer, Jean Bernard Léon Foucault (1819–1868). We will, in the following text, use the notation eddy current. In general, the eddy current distribution inside the work piece is not uniform. The magnitude of the eddy current attenuates exponentially beneath the surface, which implies that the current density near the surface is greater than at a depth. The surface of a material will therefore be heated faster than the interior. This phenomenon is referred to as the skin effect.
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| 4. |
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| 5. |
- Karlsson, Lennart
(author)
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Computational Welding Mechanics
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 630-637
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Book chapter (peer-reviewed)
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| 6. |
- Lindgren, Lars-Erik
(author)
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Welding and heat treatment of alloys
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 6558-6567
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Book chapter (peer-reviewed)
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| 7. |
- Lindgren, Lars-Erik
(author)
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Welding stresses
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 6594-6600
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Book chapter (peer-reviewed)
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| 8. |
- Lundbäck, Andreas, et al.
(author)
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Repair welding and local heat treatment
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 4186-4194
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Book chapter (peer-reviewed)
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| 9. |
- Näsström, Mats, et al.
(author)
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Welding heat input models
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 6567-6572
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Book chapter (peer-reviewed)
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| 10. |
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| 11. |
- Smith, Mike, et al.
(author)
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Modeling of welding of austenitic stainless steels
- 2014
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In: Encyclopedia of Thermal Stresses. - Dordrecht : Encyclopedia of Global Archaeology/Springer Verlag. - 9789400727380 ; , s. 3158-3165
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Book chapter (peer-reviewed)
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