Search Results - "Lagoudas, D.C."

Effect of carbon nanotubes on the interfacial shear strength of T650 carbon fiber in an epoxy matrix by Sager, R.J., Klein, P.J., Lagoudas, D.C., Zhang, Q., Liu, J., Dai, L., Baur, J.W.

“…The interfacial shear strength of carbon nanotube coated carbon fibers in epoxy was studied using the single-fiber composite fragmentation test. The carbon…”
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On the stress-assisted magnetic-field-induced phase transformation in Ni2MnGa ferromagnetic shape memory alloys by Karaca, H.E., Karaman, I., Basaran, B., Lagoudas, D.C., Chumlyakov, Y.I., Maier, H.J.

“…The effect of magnetic field on the martensitic phase transformation in Ni2MnGa single crystals was investigated under compression. Reversible and one-way…”
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Determining recoverable and irrecoverable contributions to accumulated strain in a NiTiPd high-temperature shape memory alloy during thermomechanical cycling by Monroe, J.A., Karaman, I., Lagoudas, D.C., Bigelow, G., Noebe, R.D., Padula, S.

“…► Discovered a methodology to find oriented martensite contribution to the irrecoverable strain. ► This methodology allows separation of irreversible creep and…”
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A thermodynamical constitutive model for shape memory materials. Part I. The monolithic shape memory alloy by Boyd, J.G., Lagoudas, D.C.

“…Pseudoelasticity and the shape memory effect (SME) due to martensitic transformation and reorientation of polycrystalline shape memory alloy (SMA) materials…”
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Non-dimensional linear analysis of one-dimensional wave propagation in tensegrity structures by Yazbeck, R., El-Borgi, S., Boyd, J.G., Chen, M., Lagoudas, D.C.

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Multiple bandgap formation in a locally resonant linear metamaterial beam: Theory and experiments by El-Borgi, S., Fernandes, R., Rajendran, P., Yazbeck, R., Boyd, J.G., Lagoudas, D.C.

“…•Multi-modal bandgap formation in a locally resonant elastic metamaterial beam.•Analytical formulation for LR bandgaps at first two modes.•Numerical and…”
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Role of microstructure on the actuation fatigue performance of Ni-Rich NiTiHf high temperature shape memory alloys by Karakoc, O., Hayrettin, C., Evirgen, A., Santamarta, R., Canadinc, D., Wheeler, R.W., Wang, S.J., Lagoudas, D.C., Karaman, I.

“…The focus of the present study was to systematically investigate the influence of microstructure on the actuation fatigue performance of a Ni-rich NiTiHf high…”
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Effects of upper cycle temperature on the actuation fatigue response of NiTiHf high temperature shape memory alloys by Karakoc, O., Hayrettin, C., Bass, M., Wang, S.J., Canadinc, D., Mabe, J.H., Lagoudas, D.C., Karaman, I.

“…The present study focuses on the effects of upper cycle temperature (UCT) on the actuation fatigue response of nano-precipitation hardened Ni50.3Ti29.7Hf20…”
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Model updating of a scaled piping system and vibration attenuation via locally resonant bandgap formation by El-Borgi, S., Alrumaihi, A., Rajendran, P., Yazbeck, R., Fernandes, R., Boyd, J.G., Lagoudas, D.C.

“…•Application of similitude theory to a piping system and fabrication of a scaled model•Vibration testing of scaled piping system and application of model…”
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Non-dimensional analysis of the bandgap formation in a locally resonant metamaterial pipe conveying fluid by Fernandes, R., El-Borgi, S., Yazbeck, R., Boyd, J.G., Lagoudas, D.C.

“…•Bandgap formation in a fluid conveying pipe using local resonators.•Pipe modelled as a Euler-Bernoulli beam.•Bandgaps predicted using unit cell method based…”
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On the driving force for crack growth during thermal actuation of shape memory alloys by Baxevanis, T., Parrinello, A.F., Lagoudas, D.C.

“…The effect of thermomechanically induced phase transformation on the driving force for crack growth in polycrystalline shape memory alloys is analyzed in an…”
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Actuation fatigue life prediction of shape memory alloys under the constant-stress loading condition by Calhoun, C., Wheeler, R., Baxevanis, T., Lagoudas, D.C.

“…The efficiency of the critical plane model of Smith, Watson, and Topper is demonstrated for the actuation lifetime prediction of shape memory alloys undergoing…”
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On the fracture toughness enhancement due to stress-induced phase transformation in shape memory alloys by Baxevanis, T., Parrinello, A.F., Lagoudas, D.C.

“…•We model quasi-static stable crack growth in shape memory alloys (SMAs) under plane strain, mode I loading.•We examine the effect of stress-induced phase…”
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Actuation-Induced stable crack growth in near-equiatomic nickel-titanium shape memory alloys: Experimental and numerical analysis by Jape, S., Young, B., Haghgouyan, B., Hayrettin, C., Baxevanis, T., Lagoudas, D.C., Karaman, I.

“…Shape Memory Alloy (SMA) actuation technology requires a thorough understanding of the failure response of these alloys under loading that involves thermal…”
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Stress-assisted reversible magnetic field-induced phase transformation in Ni2MnGa magnetic shape memory alloys by Karaman, I., Karaca, H.E., Basaran, B., Lagoudas, D.C., Chumlyakov, Y.I., Maier, H.J.

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Modeling the Coupled Strain and Magnetization Response of Magnetic Shape Memory Alloys under Magnetomechanical Loading by Kiefer, B., Lagoudas, D.C.

“…This article is concerned with the modeling of the magnetic shape memory alloy (MSMA) constitutive response caused by the reorientation of martensitic variants…”
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Micromechanics of precipitated near-equiatomic Ni-rich NiTi shape memory alloys by Baxevanis, T., Cox, A., Lagoudas, D. C.

“…The specific thermo-mechanical behavior of precipitated, near-equiatomic Ni-rich NiTi shape memory alloys, i.e., thermal actuation under stress and…”
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Thermomechanical failure response of notched NiTi coupons by Iliopoulos, A.P., Steuben, J.C., Kirk, T., Baxevanis, T., Michopoulos, J.G., Lagoudas, D.C.

“…Emerging applications of shape memory alloys (SMAs) functioning as actuators in areas such as the aeronautic and automotive industries, require better…”
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Preface by Lagoudas, D.C.

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Raman microscopy of residual strains in carbon nanotube/epoxy composites by Hadjiev, V.G., Warren, G.L., Sun, Luyi, Davis, D.C., Lagoudas, D.C., Sue, H.-J.

“…Carbon nanotube (CNT) strain variations with temperature, as measured with Raman microscopy, are reported for pristine and functionalized CNT/epoxy composites…”
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