A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications

Paul Wood, C.A. Schley, M.A. Buckley

Research output: Contribution to conferencePaper

Abstract

A thin walled open channel beam subjected to a 3-point bend and constant velocity boundary condition is investigated to establish its potential to validate material performance for automotive crash applications. Specifically quantitative validation of material data determined from high speed tensile testing and qualitative validation of material resistance to fracture in crash components. Open channel beams are fabricated from structural grade sheet steel and aluminium alloy and tested at quasi-static and higher speeds up to 10 m/s and in all cases, deformation develops a plastic hinge. This paper describes development of the validation test procedure, specifically design of specimen, system of measurement and boundary conditions using numerical and experimental techniques. The new test procedure will increase confidence in materials modelling and reduce the risk to introduce new advanced high strength materials into automotive crash structures.

Conference

Conference5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective
CountryIndia
CityNew Delhi
Period9/01/0811/01/08

Fingerprint

Sheet metal
Mechanical properties
Boundary conditions
Tensile testing
Alloy steel
Hinges
Aluminum alloys
Plastics

Keywords

  • crash components
  • mechanical properties
  • test procedure

Cite this

Wood, P., Schley, C. A., & Buckley, M. A. (2008). A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications. Paper presented at 5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective, New Delhi, India.
Wood, Paul ; Schley, C.A. ; Buckley, M.A. / A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications. Paper presented at 5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective, New Delhi, India.
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abstract = "A thin walled open channel beam subjected to a 3-point bend and constant velocity boundary condition is investigated to establish its potential to validate material performance for automotive crash applications. Specifically quantitative validation of material data determined from high speed tensile testing and qualitative validation of material resistance to fracture in crash components. Open channel beams are fabricated from structural grade sheet steel and aluminium alloy and tested at quasi-static and higher speeds up to 10 m/s and in all cases, deformation develops a plastic hinge. This paper describes development of the validation test procedure, specifically design of specimen, system of measurement and boundary conditions using numerical and experimental techniques. The new test procedure will increase confidence in materials modelling and reduce the risk to introduce new advanced high strength materials into automotive crash structures.",
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Wood, P, Schley, CA & Buckley, MA 2008, 'A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications' Paper presented at 5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective, New Delhi, India, 9/01/08 - 11/01/08, .

A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications. / Wood, Paul; Schley, C.A.; Buckley, M.A.

2008. Paper presented at 5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective, New Delhi, India.

Research output: Contribution to conferencePaper

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T1 - A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications

AU - Wood, Paul

AU - Schley, C.A.

AU - Buckley, M.A.

PY - 2008

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N2 - A thin walled open channel beam subjected to a 3-point bend and constant velocity boundary condition is investigated to establish its potential to validate material performance for automotive crash applications. Specifically quantitative validation of material data determined from high speed tensile testing and qualitative validation of material resistance to fracture in crash components. Open channel beams are fabricated from structural grade sheet steel and aluminium alloy and tested at quasi-static and higher speeds up to 10 m/s and in all cases, deformation develops a plastic hinge. This paper describes development of the validation test procedure, specifically design of specimen, system of measurement and boundary conditions using numerical and experimental techniques. The new test procedure will increase confidence in materials modelling and reduce the risk to introduce new advanced high strength materials into automotive crash structures.

AB - A thin walled open channel beam subjected to a 3-point bend and constant velocity boundary condition is investigated to establish its potential to validate material performance for automotive crash applications. Specifically quantitative validation of material data determined from high speed tensile testing and qualitative validation of material resistance to fracture in crash components. Open channel beams are fabricated from structural grade sheet steel and aluminium alloy and tested at quasi-static and higher speeds up to 10 m/s and in all cases, deformation develops a plastic hinge. This paper describes development of the validation test procedure, specifically design of specimen, system of measurement and boundary conditions using numerical and experimental techniques. The new test procedure will increase confidence in materials modelling and reduce the risk to introduce new advanced high strength materials into automotive crash structures.

KW - crash components

KW - mechanical properties

KW - test procedure

M3 - Paper

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Wood P, Schley CA, Buckley MA. A new test procedure to validate tensile dynamic mechanical properties of sheet metals and alloys in automotive crash applications. 2008. Paper presented at 5th International Mobility Conference on Emerging Automotive Technologies Global and Indian Perspective, New Delhi, India.