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Six sigma model optimized for reducing downtime in an open-pit mine
(Springer Science and Business Media Deutschland GmbH, 2019-01-01)
Currently, in open-pit mining operations, the highest cost among all processes is that of transporting trucks, whether in fuel, roads, tires, or spare parts, among other factors. Therefore, this article proposes the use ...
Kinetic Study to Predict Sigma Phase Formation in Duplex Stainless Steels
(2016)
© 2016, The Minerals, Metals & Materials Society and ASM International.This work presents an improved kinetic study of sigma phase formation during isothermal aging between 973 K and 1223 K (700 °C and 950 °C), based on ...
Use of composition profiles near sigma phase for assessment of localized corrosion resistance in a duplex stainless steel
(2019)
© 2018 Elsevier LtdPitting corrosion potential of a UNS S31803 duplex stainless steel (DSS) heat treated between 750 °C and 850 °C at different aging times was related to the extent of the Cr- and Mo-depleted areas at ...
Simulação da cinética de formação da fase sigma durante envelhecimento isotérmico de aço inoxidável dúplex
(Centro Universitário FEI, São Bernardo do Campo, 2019)
Yang-Mills Chern-Simons corrections from the pure spinor superstring
(2008-09-01)
Nilpotency of the pure spinor BRST operator in a curved background implies superspace equations of motion for the background. By computing one-loop corrections to nilpotency for the heterotic sigma model, the Yang-Mills ...
Yang-Mills Chern-Simons corrections from the pure spinor superstring
(2008-09-01)
Nilpotency of the pure spinor BRST operator in a curved background implies superspace equations of motion for the background. By computing one-loop corrections to nilpotency for the heterotic sigma model, the Yang-Mills ...
On S-matrix factorization of the Landau-Lifshitz model
(INT SCHOOL ADVANCED STUDIES, 2008)
We consider the three-particle scattering S-matrix for the Landau-Lifshitz model by directly computing the set of the Feynman diagrams up to the second order. We show, following the analogous computations for the non-linear ...
The r-matrix of the Alday-Arutyunov-Frolov model
(SPRINGERNEW YORK, 2012)
We investigate the classical integrability of the Alday-Arutyunov-Frolov model, and show that the Lax connection can be reduced to a simpler 2 x 2 representation. Based on this result, we calculate the algebra between the ...
A note on the existence of soliton solutions in the chernsimonscp(1) model
(World Scientific, 2011-01)
We study a gauged ChernSimonsCP(1) system. We show that contrary to previous claims, the model in the absence of a potential term cannot support finite size soliton solution in R 2. © 2011 World Scientific Publishing Company.
A constant temperature operation thermoresistive sigma–delta solar radiometer
(2006)
In this paper we propose a feedback system, with thermoresistive sensor, based on sigma–delta modulation. This system uses an one-bit sigma–delta modulator in which considerable part of conversion functions is performed ...