Search Results - "Mazzu, A"

A model for predicting plastic strain and surface cracks at steady-state wear and ratcheting regime by Mazzù, A., Donzella, G.

“…Unidirectional plastic strain accumulation (ratcheting) is one of the main causes of surface crack nucleation in rails and wheels in dry condition. It is…”
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An integrated model for competitive damage mechanisms assessment in railway wheel steels by Mazzù, A., Petrogalli, C., Faccoli, M.

“…A procedure for damage assessment in wheel–rail contact is still an open task: much work has been done for understanding failure mechanisms such as wear,…”
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A Model for the Assessment of Wheel-Rail Contact in the Presence of Solid Contaminants by Mazzù, A., Battini, D.

“…An analytical model for the assessment of a contact in the presence of a solid contaminant is presented, mainly aimed at studying the damage to railway wheels…”
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An experimental procedure for surface damage assessment in railway wheel and rail steels by Mazzù, A., Solazzi, L., Lancini, M., Petrogalli, C., Ghidini, A., Faccoli, M.

“…The assessment of damage in rail–wheel cyclic contact requires considering the combined action of different damage mechanisms, such as wear, ratcheting,…”
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A numerical approach to subsurface crack propagation assessment in rolling contact by MAZZU, A

“…ABSTRACT Subsurface crack mode II propagation parallel to the contact surface is a damage mechanism leading to dramatic failure in many components subjected to…”
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Effect of Wear on Surface Crack Propagation in Rail–Wheel Wet Contact by Mazzù, A., Petrogalli, C., Lancini, M., Ghidini, A., Faccoli, M.

“…The interaction between wear and rolling contact fatigue in wet contact was investigated by means of experiments on a two-disk test bench. Specimens of various…”
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Progressive damage assessment in the near-surface layer of railway wheel–rail couple under cyclic contact by Donzella, G., Faccoli, M., Mazzù, A., Petrogalli, C., Roberti, R.

“…▶ The ratchetting model predicts the shear strain accumulation in competition with wear. ▶ A procedure was proposed to calibrate the model from a single…”
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The mitochondrial NADH shuttle system is a targetable vulnerability for Group 3 medulloblastoma in a hypoxic microenvironment by Contenti, J., Guo, Y., Mazzu, A., Irondelle, M., Rouleau, M., Lago, C., Leva, G., Tiberi, L., Ben-Sahra, I., Bost, F., Mazure, N. M.

“…Medulloblastoma is a cancerous brain tumor that affects mostly children. Among the four groups defined by molecular characteristics, Group 3, the least well…”
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Failure assessment of subsurface rolling contact fatigue in surface hardened components by Donzella, G., Mazzù, A., Petrogalli, C.

“…► In this paper we apply a failure assessment diagram to RCF of surface hardened components. ► Fatigue is assessed according to the Dang Van model. ►…”
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Influence of inclusion content on rolling contact fatigue in a gear steel: Experimental analysis and predictive modelling by Donzella, G., Faccoli, M., Mazzù, A., Petrogalli, C., Desimone, H.

“…► Rolling contact fatigue is determined by a subsurface spalling mechanism. ► Spalling has preferential orgin from manganese sulphides. ► Experimental failure…”
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HIF-1 inactivation empowers HIF-2 to drive hypoxia adaptation in aggressive forms of medulloblastoma by Contenti, J., Guo, Y., Larcher, M., Mirabal-Ortega, L., Rouleau, M., Irondelle, M., Tiroille, V., Mazzu, A., Duranton-Tanneur, V., Pedeutour, F., Ben-Sahra, I., Lago, C., Leva, G., Tiberi, L., Robert, G., Pouponnot, C., Bost, F., Mazure, N. M.

“…Medulloblastoma (MB) is the most prevalent brain cancer in children. Four subgroups of MB have been identified; of these, Group 3 is the most metastatic. Its…”
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Itraconazole alters the pharmacokinetics of atorvastatin to a greater extent than either cerivastatin or pravastatin by Mazzu, Arthur L., Lasseter, Kenneth C., Shamblen, E. Cooper, Agarwal, Vipin, Lettieri, John, Sundaresen, Pavur

“…Background 3‐Hydroxy‐3‐methylglutaryl coenzyme A reductase inhibitors (statins) are metabolized by distinct pathways that may alter the extent of drug‐drug…”
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Analysis of the bond stress when using GFRP bars by Dalfré, Gláucia Maria, De Almeida Filho, Fernando Menezes, Couto, Iara, Giongo, Samuel, Mazzú, Amanda Duarte Escobal

“…For most of the structural solutions, the construction industry in Brazil is based on the use of conventional reinforced concrete elements composed of concrete…”
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Intrinsically dysregulated cellular stress signaling genes and gene networks in postpartum depression by Rudzinskas, Sarah A., Goff, Allison C., Mazzu, Maria A., Schiller, Crystal Edler, Meltzer-Brody, Samantha, Rubinow, David R., Schmidt, Peter J., Goldman, David

“…Postpartum depression (PPD) is a leading cause of morbidity and mortality among women. Clinically, the administration and withdrawal of supraphysiologic…”
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Effect of dynamic windblown sand environments on the wear and damage of wheel-rail under different slip ratios by Shu, K., Ding, H.H., Mazzù, A., Lin, Q., Guo, J., Meli, E., Liu, Q.Y., Wang, W.J.

“…Although the railways in windblown sand areas has been continuously developed in recent years, the effect of dynamic windblown sand environment on the wear and…”
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Evaluation of wear in rolling contact tests by means of 2D image analysis by Bodini, I., Petrogalli, C., Faccoli, M., Lancini, M., Pasinetti, S., Sansoni, G., Docchio, F., Mazzù, A.

“…Twin-disk tests are an effective method to characterize the material response to rolling sliding contact, to reproduce the damage phenomena of real components…”
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Evidence Guiding Withdrawal of Mechanical Ventilation at the End of Life: A Review by Mazzu, Maria A., Campbell, Margaret L., Schwartzstein, Richard M., White, Douglas B., Mitchell, Susan L., Fehnel, Corey R.

“…Distress at the end of life in the intensive care unit (ICU) is common. We reviewed the evidence guiding symptom assessment, withdrawal of mechanical…”
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Wear and rolling contact fatigue of PEEK and PEEK composites by Avanzini, A., Donzella, G., Mazzù, A., Petrogalli, C.

“…Wear and rolling contact fatigue were investigated on unfilled PEEK and on three PEEK short fiber reinforced composites. For this aim, roller-shaped specimens…”
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Divergent Transcriptomic Effects of Allopregnanolone in Postpartum Depression by Rudzinskas, Sarah A, Mazzu, Maria A, Schiller, Crystal Edler, Meltzer-Brody, Samantha, Rubinow, David R, Schmidt, Peter J, Goldman, David

“…Brexanolone, a formulation of the neurosteroid allopregnanolone (ALLO), is approved for treating postpartum depression (PPD) and is being investigated for…”
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The competitive role of wear and RCF in a rail steel by Donzella, G., Faccoli, M., Ghidini, A., Mazzù, A., Roberti, R.

“…A model for assessing wear and rolling contact fatigue (RCF) in rails is proposed, with particular emphasis for their competitive role. RCF was studied taking…”
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