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flow stress

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400221
EISBN: 978-1-62708-316-4
...Abstract Abstract This appendix contains flow stress data (in the form of flow curves) obtained by viscous pressure bulge tests conducted on various grades of sheet steel as well as aluminum and magnesium alloys. automotive sheet steels flow stress curves viscous pressure bulge test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040025
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter explains how to determine flow stress and forgeability using data from tensile tests, compression tests, ring tests, and torsion tests. It describes sample preparation, tooling and equipment, test procedures, error sources, and data plotting techniques. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040083
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter discusses the role of inverse analysis in providing input data for finite element simulations of metal forming processes. It describes the basic procedures for determining flow stress and friction by inverse analysis and for comparing experimental measurements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
... purposes. It discusses the effect of normal and planar anisotropy, the development and use of flow stress curves, and how formability is usually measured and expressed. It explains how formability measurements serve as a guide for process and tool design engineers as well as others. It also discusses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040051
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter covers the fundamentals of metal flow and the tools and techniques used to predict and control it. It begins by illustrating the local state of stress in a metal cylinder during upset forging and showing how stress components can be expressed in matrix form...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400053
EISBN: 978-1-62708-316-4
... the stress state at any point in a material can be expressed in different ways for different purposes. It then compares and contrasts some of the more widely used yield criteria and demonstrates the use of flow rules. It also explains how to calculate power, energy, and effective strain and strain rate...
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Published: 01 February 2005
Fig. 8.3 Flow chart of simultaneous determination of flow stress and friction. L-s, load versus stroke; D-s, bulge diameter versus stroke; m f , friction factor More
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Published: 01 August 2012
Fig. 6.9 True stress/true strain curve for the flow stress of AZ31B-O obtained using the hydraulic bulge test at a strain rate of approximately 0.25 s –1 and a temperature range of 145 to 221 °C. Experimental strain range at 145 °C, 0 to 0.12; 168 °C, 0 to 0.16; 180 °C, 0.02 to 0. Source: Ref More
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Published: 01 August 2012
Fig. 4.18 Iterative procedure to estimate flow stress from bulge test ( Ref 4.16 ) More
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Published: 01 August 2012
Fig. 4.20 Comparison of flow stress obtained from tensile test and bulge test for sheet materials DP600 and A5754-O More
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Published: 01 August 2012
Fig. 6.1 Flow stress curves obtained from the bulge test and the tensile test for (a) aluminum killed draw quality (AKDQ steel (0.83 mm) and AL5754-O (1.3 mm). Experimental strain range for AKDQ steel: tensile, 0 to 0.24; bulge, 0 to 0.64; for AL5754-O: tensile, 0 to 0.18; bulge, 0 to 0.4. More
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Published: 01 August 2012
Fig. 6.2 Flow stress curves obtained from the bulge test and the tensile test for DP600 high-strength steel (0.6 mm thickness) and deep drawing steel (DDS; 0.77 mm thickness). Experimental strain range for DP600: tensile, 0 to 0.14; bulge, 0 to 0.27; for DDS: tensile, 0 to 0.23; bulge, 0 to 0.3. More
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Published: 01 August 2012
Fig. 6.3 Flow stress at room temperature for type 304 stainless steel (1 mm) obtained by viscous pressure bulge test and tensile test. Experimental strain range: tensile test, 0 to 0.44; bulge test, 0.03 to 0.56. More
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Published: 01 August 2012
Fig. 6.7 Comparison of the flow stress of aluminum alloy AA5754-O (1.3 mm) obtained by the tensile test and the bulge test. Experimental strain range: tensile data, 0 to 0.157; bulge test membrane theory, 0.01 to 0.0.35. More
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Published: 01 August 2012
Fig. A.1 Flow stress of St14 (DC04) sheet material of thickness 1 mm estimated by viscous pressure bulge test More
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Published: 01 August 2012
Fig. A.2 Flow stress of St1403 sheet material (1 mm) estimated by viscous pressure bulge test. Uniaxial tensile tests were conducted to obtain the anisotropy coefficients ( r 0 , r 45 , r 90 ). Experimental strain range, bulge test: 0 to 0.72 More
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Published: 01 August 2012
Fig. A.3 Flow stress of AISI 1018 sheet (2.13 mm) obtained by viscous pressure bulge test. Experimental strain range, bulge test: 0 to 1 More
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Published: 01 August 2012
Fig. A.4 Flow stress of AKDQ steel sheet (0.83 mm) obtained by viscous pressure bulge test and uniaxial tensile test. Experimental strain range, tensile test: 0 to 0.32; bulge test: 0.25 to 0.8 More
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Published: 01 August 2012
Fig. A.5 Flow stress of 1050 sheet obtained by viscous pressure bulge (VPB) test and tensile test. Experimental strain range, tensile test: 0 to 0.058; bulge test: 0 to 0.32 More
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Published: 01 August 2012
Fig. A.6 Flow stress of different sheet materials obtained by viscous pressure bulge test. The sheet material thicknesses were, for AKDQ, 0.72 mm; DP 600, 1 mm; DP 590, 1.24 mm; DP 980, 1 mm; DP 780, 1 mm; and TRIP 780, 1 mm. Experimental strain range, bulge test, DP 980: 0 to 0.12; DP 780: 0 More