Results 251 to 260 of about 2,115,496 (315)
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Twinning and directional slip as a cause for a strength differential effect
Metallurgical Transactions, 1973W. F. Hosford, T. J. Allen
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The extent and nature of the strength-differential effect in steels
Metallurgical Transactions, 1972Tensile and compressive stress-strain curves were obtained for several types of microstructures in a variety of steels. The strength-differential effect, previously found in martensitic structures, was present in lower, intermediate, and upper bainite and in Widmanstatten ferritepearlite as well as in ultrafine-grained martensite.
G. C. Rauch, W. C. Leslie
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Effect of hydrostatic stress on the strength differential effect in low-carbon steel sheet
International Journal of Material Forming, 2022The effect of hydrostatic stress on the strength differential effect (SDE) in a 0.8-mm-thick low-carbon steel sheet is experimentally investigated. The in-plane compressive stress-strain curve is approximately 10% higher than the uniaxial tensile stress-strain curve at a strain of 0.15, confirming that the test sample exhibited the SDE.
Toshihiko Kuwabara +5 more
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The strength-differential effect in plasticity
International Journal of Solids and Structures, 1984zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Casey, J., Jahedmotlagh, H.
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Strength differential effect in four commercial steels
Journal of Materials Science, 2000The difference between compressive and tensile flow stress of a material at a given strain termed as strength differential (S-D) effect, has been evaluated in case of four commercial steels via a series of heat treated conditions. The results have unequivocally established that the magnitude of S-D was maximum in the as quenched condition and tempering
A. P. Singh +4 more
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The effective modulus interpretation of the strength-differential effect in ferrous alloys
Scripta Metallurgica, 1972Abstract The S-D effect in steels is satisfactorily explained by the influence of the effective modulus on the internal stress. The difference in effective modulus in compression and in tension arises from the nonlinear elastic stress strain relations at high elastic strains.
C.A. Pampillo, L.A. Davis, J.C.M. Li
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Effect of martensite morphology on the strength differential effect in dual phase steels
Scripta Metallurgica, 1984Abstract The formation of elongated martensite particles leaves residual axial tensile stresses in much of the ferrite. In the hydrostatic pressure tests, all conducted in tension, this residual stress does not affect the pressure dependence of the flow stress. Hence the mechanical responses is not unusual.
D.F. Watt, M. Jain
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Temperature dependence of the strength-differential effect in hardened steels
Metallurgical transactions, 1974The strength differential (SD) has been measured as a function of temperature in a fully hardened 0.2C, 6 Ni steel, quenched and then tempered at 250°C. It is found appropriate to express the results in terms of the intercept flow stresses as extrapolated back to zero plastic strain.
F. B. Fletcher +2 more
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Strength differential effect in pseudoelastic NiTi shape memory alloys
Acta Materialia, 1997Abstract Pseudoelastic shape memory alloys of NiTi-type can be reversibly deformed up to maximum strains of 8%. In strain-controlled tension/compression testing of pseudoelastic NiTi shape memory wires, compression recovery forces were found to be markedly higher than tension forces. An explanation for this “strength differential effect” is proposed:
R. Plietsch, K. Ehrlich
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