The Influence of Pulsating Strain Rates on the Superplastic Deformation Behaviour of Al-Alloy AA5083 Investigated by Means of Cone Test

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Periodical:

Materials Science Forum (Volumes 447-448)

Edited by:

Richard Todd

Pages:

139-144

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M. Vulcan et al., "The Influence of Pulsating Strain Rates on the Superplastic Deformation Behaviour of Al-Alloy AA5083 Investigated by Means of Cone Test ", Materials Science Forum, Vols. 447-448, pp. 139-144, 2004

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February 2004

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2 0 200 400 600 800 1000 1200 Time [s] Pressure [MPa] Pressure-Input Pressure-Output Pressure-Time Path without Pulsations.

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[1] 3 40 60 80 100 120 140 160 Pulsating Period [s] Log. Strain [-].

[1] E-04 2. E-04 Amplitude [s-1] 1x10-4 2x10 -4 Fig. 7 Pressure-time path for superplastic forming into a conical die with an amplitude of the strain rate of 1 x 10 -4 s-1 and a pulsating period of 150 s. Fig. 8 Logarithmic strain to failure versus pulsating period and amplitude of the strain rate.

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