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| 1 | Opportunistic maintenance for multi-component systems considering structural dependence and economic dependence显示文摘Although opportunistic maintenance strategies are widely used for multi-component systems, all opportunistic maintenance strategies only consider economic dependence and do not take structural dependence into account. An opportunistic maintenance strategy is presented for a multi-component system that considers both structural dependence and economic dependence.The cost relation and time relation among components based on structural dependence are developed. The maintenance strategy for each component of a multi-component system involves one of five maintenance actions, namely, no-maintenance, a minimal maintenance action, an imperfect maintenance action, a perfect maintenance action, and a replacement action. The maintenance action is determined by the virtual age of the component, the life expectancy of the component, and the age threshold values.Monte Carlo simulation is designed to obtain the optimal opportunistic maintenance strategy of the system over its lifetime. The simulation result reveals that the minimum maintenance cost with a strategy that considers structural dependence is less than that with a strategy that does not consider structural dependence. The availability with a strategy that considers structural dependence is greater than that with a strategy that does not consider structural dependence under the same conditions. | Junbao Geng Michael Azarian Michael Pecht | 2015 | Journal of Systems Engineering and Electronics2015，26，3： | 6 |
| 2 | Characteristics of a multi-component MgO-based bioceramic coating synthesized in-situ by plasma electrolytic oxidation显示文摘Plasma electrolytic oxidation(PEO)has held great potential for the advancement of biodegradable implants,as it helps in developing porous bioceramic coatings on the surface of magnesium alloys.In this research work,MgO-based bioceramic coatings containing the Si,P,Ca,Na,and F elements have been successfully fabricated on an AZ31 magnesium alloy plate utilizing the PEO method.The characteristic current-voltage behavior of the samples during the process was surveyed in an electrolyte containing Ca(H_(2)PO_(4))_(2),Na_(2)SiO_(3)·9H_(2)O,Na_(3)PO_(4)·12H_(2)O,NaF,and KOH with a pH of 12.5 and electrical conductivity of 20 mS/cm^(-1).The results revealed that applying a voltage of 350-400 V(that is 50-100 V higher than the breakdown limit)could greatly facilitate the synthesis of a PEO ceramic coating with fewer defects and more uniform morphology.The resulting coating was a compositionally graded bioceramic layer with a thickness in the range of 3.5±0.4 to 6.0±0.7µm,comprising the above-mentioned elements as promising bioactive agents.The synthesized ceramic features were investigated in terms of the elemental distribution of components through the thickness,which indicated a gradual rise in the Si and P contents and,conversely,a decline in the F content towards the outer surface.The growth mechanism of the PEO coating has been discussed accordingly. | Nasrinsadat Azarian Seyed Mohammad Mousavi Khoei | 2021 | Journal of Magnesium and Alloys2021，9，5： | 4 |
| 3 | Embedded Capaci- tors in Printed Wiring Board:A Technological Review显示文摘 | Alam M A Azarian M H Pecht M G | 2012 | Journal of Electronic Materials2012，41，8： | 1 |
| 4 | Flex crackizag of multilayer ceramic capacitors assembled with Pb-free and tin-lead solders 显示文摘 | KEIMASI M AZARIAN M H PECHT M G | 2008 | IEEE Trans Device Mater Reliab2008，，8： | 1 |
| 5 | A new strategy for automotive off-board diagnosis based on a meta-heuristic engine显示文摘 | A. Azarian A.Siadat P.Martin | | 0，，： | 1 |
| 6 | Embedded capacitors in printed wiring board: A technological review显示文摘 | ALAM M A AZARIAN M H PECHT M G | 2012 | Journal of Electric Materials2012，41，8： | 1 |
| 7 | On the achievable diversity-vs-muhiplexing tradeoff in half-duplex cooperative channels 显示文摘 | AZARIAN K GAMAL H E SCHNITER P | 2005 | IEEE Trans on Information Theory2005，51，12： | 1 |
| 8 | Childhood trauma in victims of the Armenian earthquake显示文摘 | Anait Azarian Ph.D. Vitali Skriptchenko-Gregorian Ph.D. Thomas W. Miller Ph.D. Robert F. Kraus M.D | 1994 | Journal of Contemporary Psychotherapy1994，，2： | 1 |
| 9 | Hypertrophic osteoarthropathy with myeiolibrosis显示文摘 | Saghafi M Azarian A Nohesara N | 2008 | Rheumatollnt2008，28，6： | 1 |
| 10 | Nanoindentation,microscratch,friction and wear studies of coating for contact recording applications显示文摘 | BHUSHAN B GUPTA B K AZARIAN M H | 1995 | Wear1995，，2： | 1 |
| 11 | The EPR Overall Approach for Severe Accident Mitiga- tion 显示文摘 | Francois Bouteille Garo Azarian Dietmar Bittermann | 2006 | Nuclear Engineering and Design2006，，236： | 1 |
| 12 | Sensor systems for prognosticsand health management显示文摘 | Cheng S Azarian M Pecht M | 2010 | Sensors2010，10，6： | 1 |
| 13 | Hemodynamic effects of bolus vs 2-h infusion of alteplase in acute massive pulmonary embolism:a randomized controlled multicenter trial显示文摘 | Sors H Pacouret G Azarian R | | 0，，03： | 1 |
| 14 | Reliability of printed circuit boards processed using no-clean flux technology in temperature-humidity-bias conditions显示文摘 | Sheng Zhan Azarian M H Pecht M | 2008 | IEEE Transactions on Device and Materials Reliability2008，8，2： | 1 |
| 15 | On the achievable diversitymultiplexing tradeoff in half-duplex cooperative channels显示文摘 | Azarian K El Gamal H Schniter P | 2005 | IEEE Transactions on Information Theory2005，51，12： | 1 |
| 16 | ATP-sensitive potassium channels and L-type calcium channels are involved in morphine-induced hyperalgesia after nociceptive sensitization in mice显示文摘 | AHMADI S AZARIAN S EBRAHIMI S S | 2014 | Basic Clin Neurosci2014，5，3： | 1 |
| 17 | Embedded Capaci- tors in Printed Wiring Board: A Technological Review显示文摘 | Alam M A Azarian M H Pecht M G | 2012 | Journal of Electronic Materials2012，41，8： | 1 |
| 18 | Giant Baker' s cyst and psuedothrombop- hlebitis in patient with rheumatic diseases: a new insight into o- ld patients 显示文摘 | Saghafi M Azarian A | 2013 | J Muscnloskelet Res2013，16，13： | 1 |
| 19 | EPR accident scenarios and provisions显示文摘 | Dietmar Bittermann Ulrich Krugmann Garo Azarian | 2001 | Nuclear Engineering and Design2001，，1： | 1 |
| 20 | An Alternative Technique for Compounding and Fabrication of Lithium Ion Conductive PVB Films with Enhanced Thermal Properties and Electrochromic Performance显示文摘This research concerns the development of lithium ions conductive electrolyte from poly(vinyl butyral)(PVB)resin for use as a special interlayer film in electrochromic glass.To obtain the final PVB film with high ionic conductivity and thermal stability,a masterbatch was firstly prepared by mixing of PVB resin with lithium salt(LiClO_(4))and additives in an aqueous ethanol solution.After this,the dried masterbatch were converted into final films by an extrusion process.In this study,PVB film with the highest ionic conductivity value of 4.85×10^(-6) was obtained when the masterbatch was diluted with the neat PVB resin at the weight ratio of 2:1 in the extruder prior to fabrication.The results from cyclic voltammetry over 100 cycles,showed that performance of the electrochromic device(ITO/WO_(3)/PVB electrolyte/ITO)fabricated by using the above PVB film is stable and reversible.In overall,this work demonstrates that ion conductive PVB films with compromised ionic conductivity and thermal stability can be prepared via an extrusion process without the need to modify chemical structure of PVB.This was carried out through the masterbatch approach,by introducing (LiClO_(4)) salts into the plasticized PVB via a solution mixing process prior to converting it into a final film via the extrusion process. | Mohammad Hossein Azarian Jatuphorn Wootthikanokkhan | 2022 | Chinese Journal of Polymer Science2022，40，10： | 1 |
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