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Magnusson, Claes
Publications (10 of 70) Show all publications
Andersson, R., Powell, J. & Magnusson, C. (2005). Fem-simulation of forming and subsequently impact behaviour of a stainless steel component (ed.). In: (Ed.), Dorel Banabic (Ed.), Proceedings of the 8th ESAFORM Conference on Material Forming: . Paper presented at ESAFORM Conference on Material Forming : 27/04/2005 - 29/04/2005 (pp. 265-268). Bucharest: The Romanian Academy Publishing House, 1
Open this publication in new window or tab >>Fem-simulation of forming and subsequently impact behaviour of a stainless steel component
2005 (English)In: Proceedings of the 8th ESAFORM Conference on Material Forming / [ed] Dorel Banabic, Bucharest: The Romanian Academy Publishing House , 2005, Vol. 1, p. 265-268Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
Bucharest: The Romanian Academy Publishing House, 2005
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-40726 (URN)ff713860-02f7-11dc-ad0a-000ea68e967b (Local ID)973-27-1173-6 (ISBN)ff713860-02f7-11dc-ad0a-000ea68e967b (Archive number)ff713860-02f7-11dc-ad0a-000ea68e967b (OAI)
Conference
ESAFORM Conference on Material Forming : 27/04/2005 - 29/04/2005
Note
Godkänd; 2005; Bibliografisk uppgift: European Scientific Association for Material Forming; 20070515 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved
Andersson, R., Syk, M., Powell, J. & Magnusson, C. (2005). Formability behaviour of meta-stable stainless steels (ed.). In: (Ed.), Dorel Banabic (Ed.), Proceedings of the 8th ESAFORM Conference on Material Forming: . Paper presented at ESAFORM Conference on Material Forming : 27/04/2005 - 29/04/2005 (pp. 359-362). Bucharest: The Romanian Academy Publishing House, 1
Open this publication in new window or tab >>Formability behaviour of meta-stable stainless steels
2005 (English)In: Proceedings of the 8th ESAFORM Conference on Material Forming / [ed] Dorel Banabic, Bucharest: The Romanian Academy Publishing House , 2005, Vol. 1, p. 359-362Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
Bucharest: The Romanian Academy Publishing House, 2005
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-38965 (URN)d88593d0-02f8-11dc-ad0a-000ea68e967b (Local ID)973-27-1173-6 (ISBN)d88593d0-02f8-11dc-ad0a-000ea68e967b (Archive number)d88593d0-02f8-11dc-ad0a-000ea68e967b (OAI)
Conference
ESAFORM Conference on Material Forming : 27/04/2005 - 29/04/2005
Note
Godkänd; 2005; Bibliografisk uppgift: European Scientific Association for Material Forming; 20070515 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved
Andersson, R., Schedin, E., Magnusson, C., Ocklund, J. & Persson, A. (2004). Stainless steel components in automotive vehicles (ed.). Paper presented at . Stainless Steel World, 16(1), 34-37
Open this publication in new window or tab >>Stainless steel components in automotive vehicles
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2004 (English)In: Stainless Steel World, ISSN 1383-7184, Vol. 16, no 1, p. 34-37Article in journal (Other academic) Published
Abstract [en]

Components linked to crash safety in automotive vehicles are required to transmit or absorb energy. The energy absorbing capability of a given component depends on a combination of geometry, material properties and loading conditions. Increased crash performance can be obtained by using materials with higher yield strength and relatively high elongation to fracture. These demands have led to increasing interest in the use of high strength stainless steels due to their relatively high elongation to fracture and good formability. To increase knowledge of the formability and forming behaviour of these materials, several components from current and prototype vehicles have been made using high strength stainless steels at Volvo Cars Body Components, Olofstrom, Sweden. These were subsequently analysed in close collaboration with the Division of Manufacturing Systems Engineering at Lulea University of Technology, Sweden.

National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-6438 (URN)4a9c6b10-8c57-11db-8975-000ea68e967b (Local ID)4a9c6b10-8c57-11db-8975-000ea68e967b (Archive number)4a9c6b10-8c57-11db-8975-000ea68e967b (OAI)
Note
Godkänd; 2004; 20061215 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Gedda, H., Powell, J., Wahlström, G., Li, W.-B., Engström, H. & Magnusson, C. (2002). Energy redistribution during CO2 laser cladding (ed.). Paper presented at . Journal of laser applications, 14(2), 78-82
Open this publication in new window or tab >>Energy redistribution during CO2 laser cladding
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2002 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 14, no 2, p. 78-82Article in journal (Refereed) Published
Abstract [en]

This article examines the factors that effect the efficiency of the CO sub 2 -laser powder cladding process. By theoretical calculation and experimental work it has been possible to identify how much of the original laser energy contributes to the cladding process and how much is lost to the surrounding environment by reflection, radiation, convection, etc. Every aspect of energy redistribution has been analyzed and quantified and this has led to a deeper understanding of the process. The article concludes with a number of suggestions for improving the efficiency of blown powder laser cladding.

National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-10965 (URN)10.2351/1.1471565 (DOI)000175651000004 ()9dca6e50-b20d-11db-bf9d-000ea68e967b (Local ID)9dca6e50-b20d-11db-bf9d-000ea68e967b (Archive number)9dca6e50-b20d-11db-bf9d-000ea68e967b (OAI)
Note
Validerad; 2002; 20061230 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Andersson, R., Schedin, E., Magnusson, C., Ocklund, J. & Persson, A. (2002). The applicability of stainless steels for crash absorbing components (ed.). Paper presented at . ACOM : Avesta Sheffield corrosion management and application engineering, 3-4, 7-12
Open this publication in new window or tab >>The applicability of stainless steels for crash absorbing components
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2002 (English)In: ACOM : Avesta Sheffield corrosion management and application engineering, ISSN 1101-0681, Vol. 3-4, p. 7-12Article in journal (Other academic) Published
Abstract [en]

To increase crash performance in automotive vehicles it is necessary to use new techniques and materials. Components linked to crash safety should transmit or absorb energy. The energy absorbing capability of a specific component is a combination of geometry and material properties. For these components the chosen material should have high yield strength and relatively high elongation to fracture. These demands have led to increasing interest in the use of high strength stainless steels. The relative performance of three high strength carbon steels and two high strength stainless steel grades was evaluated through intrinsic and simulative tests. The rear bumper for a Volvo Car model in current production was manufactured using the five sheets tested to verify formability and behaviour under load. The bumpers were clamped in a rig that allowed quasi-static impact tests to be made. The energy absorbing capabilities were evaluated by measuring force versus displacement during the impact test.

National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-5057 (URN)312fad40-982d-11db-8975-000ea68e967b (Local ID)312fad40-982d-11db-8975-000ea68e967b (Archive number)312fad40-982d-11db-8975-000ea68e967b (OAI)
Note
Godkänd; 2002; 20061230 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Gedda, H., Powell, J., Wahlström, G., Li, W.-B., Engström, H. & Magnusson, C. (2001). Energy redistribution during CO2 laser cladding (ed.). In: (Ed.), Xiangli Chen (Ed.), Congress proceedings: Laser Materials Processing Conference; Laser Microfabrication Conference [at] ICALEO 2001, 20th International Congress on Applications of Lasers & Electro-Optics : October 15 - 18, 2001, Adam's Mark Hotel, Jacksonville, Florida, USA. Paper presented at International Congress on Applications of Lasers & Electro-Optics : 15/10/2001 - 18/10/2001 (pp. 549-558). Orlando, Fla: Laser institute of America
Open this publication in new window or tab >>Energy redistribution during CO2 laser cladding
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2001 (Swedish)In: Congress proceedings: Laser Materials Processing Conference; Laser Microfabrication Conference [at] ICALEO 2001, 20th International Congress on Applications of Lasers & Electro-Optics : October 15 - 18, 2001, Adam's Mark Hotel, Jacksonville, Florida, USA / [ed] Xiangli Chen, Orlando, Fla: Laser institute of America , 2001, p. 549-558Conference paper, Published paper (Refereed)
Abstract [en]

This paper examines the factors that effect the efficiency of the CO sub 2 -laser powder cladding process. By theoretical calculation and experimental work it has been possible to identify how much of the original laser energy contributes to the cladding process and how much is lost to the surrounding environment by reflection, radiation, convection etc. Every aspect of energy redistribution has been analysed and quantified and this has lead to a deeper understanding of the process. The paper concludes with a number of suggestions for improving the efficiency of blown powder laser cladding

Place, publisher, year, edition, pages
Orlando, Fla: Laser institute of America, 2001
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-27955 (URN)1929d5c0-79b0-11dd-b356-000ea68e967b (Local ID)912035730 (ISBN)1929d5c0-79b0-11dd-b356-000ea68e967b (Archive number)1929d5c0-79b0-11dd-b356-000ea68e967b (OAI)
Conference
International Congress on Applications of Lasers & Electro-Optics : 15/10/2001 - 18/10/2001
Note
Godkänd; 2001; Bibliografisk uppgift: CD-ROM; 20080903 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Forsman, T., Powell, J. & Magnusson, C. (2001). Process instability in laser welding of aluminum alloys at the boundary of complete penetration (ed.). Paper presented at . Journal of laser applications, 13(5), 193-198
Open this publication in new window or tab >>Process instability in laser welding of aluminum alloys at the boundary of complete penetration
2001 (English)In: Journal of laser applications, ISSN 1042-346X, E-ISSN 1938-1387, Vol. 13, no 5, p. 193-198Article in journal (Refereed) Published
Abstract [en]

Intrinsic instabilities in the depth of penetration achieved when laser welding aluminum alloys were investigated in this article. Four types of weld pool configuration, resulting in different welds, were identified, only two of which are associated with full penetration. A simple phenomenological explanation of the unstable welding process at the boundary of complete penetration was proposed. The nature and cause of the instabilities were discussed and suggestions were offered for process control. Materials used: AA6016 aluminum alloy.

National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-12998 (URN)c2634740-9c29-11db-8975-000ea68e967b (Local ID)c2634740-9c29-11db-8975-000ea68e967b (Archive number)c2634740-9c29-11db-8975-000ea68e967b (OAI)
Note
Validerad; 2001; 20070104 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Andersson, R., Magnusson, C. & Schedin, E. (2001). Using stainless steel for energy absorbing components in automobiles (ed.). In: (Ed.), Mahmoud Y. Demeri (Ed.), Innovations in processing and manufacturing of sheet materials: proceedings / the Second Global Symposium on Innovations in Materials Processing and Manufacturing: Sheet Materials, held at the 2001 TMS annual meeting, February 11 - 15, 2001, New Orleans, Louisiana. Paper presented at Global Symposium on Innovations in Materials Processing and Manufacturing - sheet materials : 11/02/2001 - 15/02/2001 (pp. 97-110). Warrendale, Pa: Minerals, Metals & Materials Society
Open this publication in new window or tab >>Using stainless steel for energy absorbing components in automobiles
2001 (English)In: Innovations in processing and manufacturing of sheet materials: proceedings / the Second Global Symposium on Innovations in Materials Processing and Manufacturing: Sheet Materials, held at the 2001 TMS annual meeting, February 11 - 15, 2001, New Orleans, Louisiana / [ed] Mahmoud Y. Demeri, Warrendale, Pa: Minerals, Metals & Materials Society, 2001, p. 97-110Conference paper, Published paper (Refereed)
Abstract [en]

To increase the crash performance in automobiles it is necessary to use new techniques and materials. To produce energy absorbing components the material should have high yield strength, high elongation to fracture and strong work hardening. The total work a component absorbs during impact is the area under the stress-strain curve for unit material volume. This has lead to an interest in high strength stainless steels as crash safety components in automobiles due to their excellent material properties. The material performance of different stainless grades has been evaluated through intrinsic and simulative tests. A stainless steel bumper beam has been optimised for a VOLVO car and comparisons have been made with the present application. Simulations have been done and verified by experiments.

Place, publisher, year, edition, pages
Warrendale, Pa: Minerals, Metals & Materials Society, 2001
National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-30112 (URN)3d6c1e90-9cd3-11db-8975-000ea68e967b (Local ID)873394909 (ISBN)3d6c1e90-9cd3-11db-8975-000ea68e967b (Archive number)3d6c1e90-9cd3-11db-8975-000ea68e967b (OAI)
Conference
Global Symposium on Innovations in Materials Processing and Manufacturing - sheet materials : 11/02/2001 - 15/02/2001
Note
Godkänd; 2001; 20070105 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Powell, J., Ivarson, A., Ohlsson, L. & Magnusson, C. (2000). Conductive losses experienced during CO2 (ed.). Paper presented at . High Temperature Material Processes, 4(2), 201-211
Open this publication in new window or tab >>Conductive losses experienced during CO2
2000 (English)In: High Temperature Material Processes, ISSN 1093-3611, E-ISSN 1940-4360, Vol. 4, no 2, p. 201-211Article in journal (Refereed) Published
Abstract [en]

This paper begins by describing laser cutting in terms of a single energy balance. Analysis of this energy balance reveals that the efficiency of laser cutting decreases as the material thickness is increased. This point is demonstrated by the following experimental programme which investigates thermal losses by conduction from the cut zone. It is also shown that the magnitude of these conductive losses can exceed the laser output power if a laser-oxygen jet is used to cut mild and stainless steels.

National Category
Manufacturing, Surface and Joining Technology
Research subject
Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-5654 (URN)3d062cd0-9cff-11db-8975-000ea68e967b (Local ID)3d062cd0-9cff-11db-8975-000ea68e967b (Archive number)3d062cd0-9cff-11db-8975-000ea68e967b (OAI)
Note
Validerad; 2000; 20070105 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Ring-Groth, M., Magnusson, C. & Powell, J. (2000). Fatigue properties of weldbonded stainless steel joints (ed.). Paper presented at . Journal of Advanced Materials, 32(1), 21-27
Open this publication in new window or tab >>Fatigue properties of weldbonded stainless steel joints
2000 (English)In: Journal of Advanced Materials, ISSN 1070-9789, Vol. 32, no 1, p. 21-27Article in journal (Refereed) Published
Abstract [en]

Weldbonding of stainless steel with an epoxy adhesive has been investigated with respect to fatigue life. Factors affecting joint strength have been identified and summarized. The weld-bonded joints were mechanically pre-treated, and weld-bonded as flanged single-overlap and cross-tension specimens. The results were compared with spot welded specimens of identical configuration. The weld-bonded specimens have better fatigue properties than spot welded specimens.

National Category
Other Materials Engineering Manufacturing, Surface and Joining Technology
Research subject
Material Mechanics; Manufacturing Systems Engineering
Identifiers
urn:nbn:se:ltu:diva-2725 (URN)067ecc00-bb5c-11db-b560-000ea68e967b (Local ID)067ecc00-bb5c-11db-b560-000ea68e967b (Archive number)067ecc00-bb5c-11db-b560-000ea68e967b (OAI)
Note
Validerad; 2000; 20061105 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
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