Search results for: S. Yarlagadda

Items from 1 to 10 out of 10 results

article

Study of two-spin entanglement in singlet states

M.Q. Lone, A. Dey, S. Yarlagadda

Solid State Communications > 2015 > 202 > Complete > 73-77

We study the entanglement properties of two-spin subsystems in spin-singlet states. The average entanglement between two spins is maximized in a single valence-bond (VB) state. On the other hand, E _v ² (the average entanglement between a subsystem of two spins and the rest of the system) can be maximized through a homogenized superposition of the VB states. The maximal E _v ² ...

article

Structural performance of the glass fiber–vinyl ester composites with interlaminar copper inserts

A. Abu Obaid, S. Yarlagadda

Composites Part A > 2008 > 39 > 2 > 195-203

Mechanical performance in tension, compression and flexure of glass fiber reinforced vinyl ester composites with interlaminar copper inserts was evaluated experimentally. Key variables in performance evaluation were relative size of the copper insert and surface treatment of copper. Test coupons were manufactured using VARTM method and tested following ASTM standards for tension, compression and flexure...

article

Normal Incidence Free Space Optical Data Porting to Embedded Communication Links

M.E. Teitelbaum, S. Yarlagadda, D.J. O'Brien, E.D. Wetzel, more

Ieee transactions on components and packaging technologies > 2008 > 31 > 1 > 32 - 38

In this paper, various techniques for normal incidence, free-space optical data porting to embedded data busses are presented. In the first approach, externally powered optical transmitter and receiver devices are coupled to an embedded electrical bus. This embedded link proves to be reliable through environmental and mechanical testing, and demonstrates data transmission up to 10 kHz. A self-powered...

article

Differential gene expression during terminal erythroid differentiation

S. Koury, S. Yarlagadda, K. Moskalik-Liermo, N. Popli, more

Genomics > 2007 > 90 > 5 > 574-582

Terminal erythroid differentiation in mammals is the process whereby nucleated precursor cells accumulate erythroid-specific proteins such as hemoglobin, undergo extensive cellular and nuclear remodeling, and ultimately shed their nuclei to form reticulocytes, which then become mature erythrocytes in the circulation. Little is known about the mechanisms that enable erythroblasts to undergo such a...

article

Influence of particle size on hysteresis heating behavior of nickel particulate polymer films

W. Suwanwatana, S. Yarlagadda, J.W. Gillespie

Composites Science and Technology > 2006 > 66 > 15 > 2825-2836

The viability of using magnetic particulate susceptor materials for induction heating during bonding of polymer matrix composites is investigated in this work. Hysteresis heating is tailored through careful design of the microstructure of nickel particulate polymer films. An excellent heating rate is attained in the frequency range of 1–10MHz for particle volume fraction below percolation of 0.26...

article

Hysteresis heating based induction bonding of thermoplastic composites

W. Suwanwatana, S. Yarlagadda, J.W. Gillespie

Composites Science and Technology > 2006 > 66 > 11-12 > 1713-1723

The bonding of polymer matrix composites using magnetic particulate susceptor materials for hysteresis induction heating is investigated in this study. Hysteresis heating is tailored through careful design of the microstructure of magnetic particulate polymer films. The bond strength of hysteresis-welded materials is comparable to that of autoclave-welded materials while offering an order of magnitude...

chapter

High Frequency Properties of Magnetodielectric Composites Consisting of Oriented Febased Flakes Embedded in a Polymeric Matrix

T. F. Ekiert, M. C. Golt, X. Zhang, S. Yarlagadda, more

INTERMAG 2006 - IEEE International Magnetics Conference > 132

INTERMAG 2006 - IEEE International Magnetics Conference

article

Effect of the manufacturing process on the interfacial properties and structural performance of multi-functional composite structures

S. Mahdi, B.A. Gama, S. Yarlagadda, J.W. Gillespie

Composites Part A > 2003 > 34 > 7 > 635-647

A composite integral armor (CIA) structure consists of various layers such as ceramics, rubber and polymer composites assembled in a precise sequence to provide superior ballistic and structural performance at low areal density. CIA structures were originally manufactured in a labor-intensive multi-step process. In recent years, vacuum-assisted resin transfer molding (VARTM) has emerged as an affordable...

article

An investigation of oxidation effects on hysteresis heating of nickel particles

W. Suwanwatana, S. Yarlagadda, J. W. Gillespie

Journal of Materials Science > 2003 > 38 > 3 > 565-573

The oxidation kinetics of nickel particles with approximate diameters of 79 nm, 0.7 micron, and 3 micron, at temperatures between 250°C and 350°C in air were investigated. Thermogravimetric measurements indicated a diffusion-controlled mechanism for the oxidation of spherical metal particles. Deviation of the oxidation kinetic rate from the diffusion-limited model was found in the case of Ni 3 micron...

article

Mixed charge-spin response functions of an arbitrarily polarized electron gas

S. Yarlagadda

Solid State Communications > 2000 > 116 > 3 > 167-170

In this paper, we demonstrate the equality of the two mixed charge-spin response functions of a spin-polarized electron gas when orbital effects are negligible using different approaches. Within a generalized STLS approximation we show that the two mixed responses are equal. We also present arguments for the equality of the two dynamic responses by considering a symmetry of the effective screened...

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