Browsing Faculty of Engineering and Technology by Subject "Cyclic plasticity"

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Cyclic plasticity of polycrystalline nickel under axial–torsional loading

Batane, N.R.; Morrison, D.J.; Moosbrugger, J.C. (Elsevier, www.elsevier.com, NaN, 2010)

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Abstract:	The axial–torsional cyclic deformation behavior of polycrystalline nickel was investigated by performing fully reversed plastic strain amplitude controlled fatigue experiments at effective plastic strain amplitudes ranging from 1×10−4 to 1×10−3. Experiments were accomplished under proportional and 90◦ out-of-phase nonproportional loading paths. Results indicate that loading path has very little effect on the cyclic response at the lower effective plastic strain amplitude. However, at the higher effective plastic strain amplitude, significant additional hardening is induced by the nonproportional loading path.
Description:	some symbols may not appear as in the original abstract.
URI:	http://hdl.handle.net/10311/847

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Batane_MSE_2010.pdf (613.9Kb)

Cyclic stress–strain behavior of conventional grain and ultrafine grain nickel under biaxial straining

Batane, N.R.; Morrison, D.J.; Moosbrugger, J.C. (Elsevier http://www.linkinghub.elsevier.com/retrieve/pii/S135964620800064X, NaN, 2008)

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Abstract:

Results are presented on the effects of biaxial straining on the cyclic stress–strain response of ultrafine grain nickel (grain size 260 nm) and conventional grain nickel (grain size 50 lm) over a range of effective plastic strain amplitudes from 1 10 4 to 1 10 3. Grain refinement causes an increase in saturation stress. For conventional grain nickel, non-proportional straining causes higher saturation stress than proportional straining; but the ultrafine grain material exhibits the opposite behavior.

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http://hdl.handle.net/10311/662

Files in this item: 1

Batane_SM_2008.pdf (586.5Kb)

Now showing items 1-2 of 2

Browsing Faculty of Engineering and Technology by Subject "Cyclic plasticity"

Browsing Faculty of Engineering and Technology by Subject "Cyclic plasticity"

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