Search Results - "Sampaio, Rui F V"

Characterization of the Fracture Forming Limits by Radial Extrusion by Sampaio, Rui F. V., Pragana, João P. M., Bragança, Ivo M. F., Silva, Carlos M. A., Nielsen, Chris V., Martins, Paulo A. F.

“…This paper introduces a new formability test based on double-action radial extrusion to characterize material formability in the three-dimensional to…”
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New self-clinching fasteners for electric conductive connections by Sampaio, Rui F. V., da Fonseca Matos Pragana, João Pedro, Martins, Paulo, Bragança, Ivo, Silva, Carlos

“…This paper presents new rotational and longitudinal symmetric self-clinching fasteners to fabricate reliable connections in busbars with low electrical…”
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Formability Assessment of Additively Manufactured Materials via Dieless Nakajima Testing by Sampaio, Rui F V, Rosado, Pedro M S, Pragana, João P M, Bragança, Ivo M F, Silva, Carlos M A, Rosa, Luís G, Martins, Paulo A F

“…This paper delves into the formability of material deposited by wire arc additive manufacturing. It presents a novel dieless Nakajima testing procedure that…”
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Injection lap riveting of aluminum busbars — a thermo-electro-mechanical investigation by da Fonseca Matos Pragana, João Pedro, Sampaio, Rui F. V., Bragança, Ivo, Martins, Paulo

“…This paper presents a new mechanical joining process to assemble aluminum busbars in energy distribution systems. The process is based on the extension of…”
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Double-sided injection lap riveting by da Fonseca Matos Pragana, João Pedro, Sampaio, Rui F. V., Chantreuil, Justin, Bragança, Ivo, Silva, Carlos, Martins, Paulo

“…This article presents a double-sided injection lap riveting process for fixing two overlapped sheets with tubular rivets at room temperature. The rivets are…”
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Revisiting the fracture forming limits of bulk forming under biaxial tension by Sampaio, Rui F. V., da Fonseca Matos Pragana, João Pedro, Bragança, Ivo, Silva, Carlos, Martins, Paulo

“…The formability limits of bulk metal forming in principal strain space and in the effective strain vs. stress-triaxiality space are characterized by an…”
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Joining of hybrid busbars for E-Mobility: An economic and environmental study by Pragana, João PM, Sapage, Miguel ST, Sampaio, Rui FV, Bragança, Ivo MF, Ribeiro, Ines, Silva, Carlos MA, Martins, Paulo AF

“…This paper presents a model to evaluate and analyze the costs of joining hybrid (copper-aluminum) busbars when different production processes are deployed. The…”
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Hybrid metal additive manufacturing: A state–of–the-art review by Pragana, J.P.M., Sampaio, R.F.V., Bragança, I.M.F., Silva, C.M.A., Martins, P.A.F.

“…This paper starts from the early developments and working principles of the additive manufacturing of polymers, continues with a glimpse on the extension to…”
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An upset geometry sequence for determining the formability limits in bulk forming by Silva, Carlos M.A., Sampaio, Rui F.V., Pragana, João P.M., Bragança, Ivo M.F., Martins, Paulo A.F.

“…This paper presents an upset geometry sequence capable of providing strain loading paths from uniaxial compression to biaxial stretching. Combination of…”
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A self-clinching fastener for hidden lap joints by Sampaio, R.F.V., Pragana, J.P.M., Bragança, I.M.F., Silva, C.M.A., Martins, P.A.F.

“…This paper presents a new self-clinching fastener to connect two sheets (or plates), made from similar or dissimilar materials, placed over one another by…”
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A strain acceleration method to identify the onset of diffuse necking by Sampaio, Rui F.V., Pragana, João P.M., Bragança, Ivo M.F., Silva, Carlos M.A., Martins, Paulo A.F.

“…This paper presents an innovative ‘strain acceleration method’ for determining the onset of diffuse necking in sheet forming tests using data obtained from…”
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Multi-planar injection lap riveting by Sapage, Miguel S.T., Pragana, João P.M., Sampaio, Rui F.V., Bragança, Ivo M.F., Silva, Carlos M.A., Martins, Paulo A.F.

“…•Multi-planar hybrid busbar joint consisting of a three-conductor rake-shaped elbow.•Innovative assembly of the rake-shaped elbow by injection lap riveting in…”
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Joining by forming of bi-material collector coins with rotating elements by Rosado, Pedro M.S., Sampaio, Rui F.V., Pragana, João P.M., Bragança, Ivo M.F., Silva, Carlos M.A., Martins, Paulo A.F.

“…This paper presents a novel manufacturing process for producing innovative bi-material collector coins with free-rotating inner elements. The inner elements…”
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Introducing a novel sheet test specimen for biaxial stretching under uniaxial loading by Sampaio, Rui F.V., Pragana, João P.M., Bragança, Ivo M.F., Silva, Carlos M.A., Martins, Paulo A.F.

“…This paper introduces a novel sheet test specimen that plastically deforms under biaxial stretching when subjected to uniaxial loading in conventional testing…”
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Influence of corrosion on the electrical and mechanical performance of hybrid busbars by Sampaio, Rui F.V., Pragana, João P.M., Bragança, Ivo M.F., Silva, Carlos M.A., Fernandes, João C.S., Martins, Paulo A.F.

“…This paper is focused on the electrical and mechanical performance of aluminum-copper hybrid busbars subjected to corrosion over time. Two different types of…”
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