Elastoplastic Behavior of Highly Ductile Materials by Maosheng Zheng & Zhifu Yin & Haipeng Teng & Jiaojiao Liu & Yi Wang

Elastoplastic Behavior of Highly Ductile Materials by Maosheng Zheng & Zhifu Yin & Haipeng Teng & Jiaojiao Liu & Yi Wang

Author:Maosheng Zheng & Zhifu Yin & Haipeng Teng & Jiaojiao Liu & Yi Wang
Language: eng
Format: epub
ISBN: 9789811509063
Publisher: Springer Singapore


Name

Material

Yielding strength σs (MPa)

Ultimate tensile strength σb (MPa)

Elastic modulus E (GPa)

Strain hardening flow stress σs′(MPa)

Poisson’s ratio

Liner tube

1Cr18Ni9Ti

213

590

198

246a

0.3

Base tube

20#

281

480

200

0.3

aThe flow stress of the liner pipe material at 2.08% strain is σs1′ = 246 MPa based on the strain–stress curve of material

Wang reported the variation of the experimental residual contact pressure Prc with respect to the hydro-forming pressure P [11], which is shown in Fig. 5.4 by the cross symbol “×”.

Fig. 5.4Comparison of predictions with the experimental data



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