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Online since: July 2015
Authors: Laurence Fouilland-Paillé, Michel Watremez, Laurent Dubar, Kevin Le Mercier
The flow stress is defined by Kim et al. model.
Kim et al. model [3].
According to Medina et al. [4], a softening is observed when dynamic recrystallization appears because of the induced microstructural changes.
Briottet et al. [7] have introduced Eq.2 using also the Boltzman constant R, to determine the activation energy Q.
El Mansori, Experimental study of the brittle ductile transition in hot cutting of SG iron specimens.
Kim et al. model [3].
According to Medina et al. [4], a softening is observed when dynamic recrystallization appears because of the induced microstructural changes.
Briottet et al. [7] have introduced Eq.2 using also the Boltzman constant R, to determine the activation energy Q.
El Mansori, Experimental study of the brittle ductile transition in hot cutting of SG iron specimens.
Online since: January 2013
Authors: Hong Gye Sung, Jun Su Shin
Price et al. investigated aluminum particles as an additive to increase the thrust and Isp of the solid rockets. [3] Analytic study of aluminum particle combustion including radiation effect was conducted by Bidabadi et al. [4,5] Perturbation technique were used to obtain exact solution of sets of ordinary differential equations.
Recently Sundaram et al. [7] conducted similar study on nano-sized particles.
Risha et al. [9,10] implemented experimental studies on nano aluminum combustion with water.
Ignition temperature of nano aluminum particle which depends on the size of the particle proposed by Sundaram et al. [7] In Eqn.3, is density of water, is vaporization enthalpy of water.
Pudduppakkam, Combustion, Explosion, and Shock Waves, Vol. 41, No, 6, pp. 622-638 (2005) [2] E.L.
Recently Sundaram et al. [7] conducted similar study on nano-sized particles.
Risha et al. [9,10] implemented experimental studies on nano aluminum combustion with water.
Ignition temperature of nano aluminum particle which depends on the size of the particle proposed by Sundaram et al. [7] In Eqn.3, is density of water, is vaporization enthalpy of water.
Pudduppakkam, Combustion, Explosion, and Shock Waves, Vol. 41, No, 6, pp. 622-638 (2005) [2] E.L.
Online since: October 2012
Authors: A.K.M. Nurul Amin, M.D. Arif, M.A. Mahmud
Rusnaldy et al. [2] found that higher forces per unit area were needed to achieve ductile cutting mode.
Fang et al. [5] found that ductile cutting could be achieved with a negative effective rake angle cutting tool if the undeformed chip thickness was smaller than a critical value.
Foy et al. [6] indicated that with the application of the high hydrostatic pressure brittle materials could deform plastically, in turn producing continuous chips.
A Nakanishi AL-0201 airline kit provided the clean cooling air for the main spindle.
Abou-El-Hossein, Predictive Surface Roughness Model for End Milling of Machinable Glass Ceramic, 2011 IOP Conf.
Fang et al. [5] found that ductile cutting could be achieved with a negative effective rake angle cutting tool if the undeformed chip thickness was smaller than a critical value.
Foy et al. [6] indicated that with the application of the high hydrostatic pressure brittle materials could deform plastically, in turn producing continuous chips.
A Nakanishi AL-0201 airline kit provided the clean cooling air for the main spindle.
Abou-El-Hossein, Predictive Surface Roughness Model for End Milling of Machinable Glass Ceramic, 2011 IOP Conf.
Online since: January 2012
Authors: M.S.J. Hashmi, Bekir Sami Yilbas, A. Askandarani
The metallic diffusion and overlay coatings were examined by Restall et al [1].
The friction and wear of lubricated sliding surfaces of coated vanes were studied by Jeon et al [3].
The fracture toughness of interface between weld overlay and base metal was examined by Abdolmaleki et al [6].
Therefore, c = a + ål [15].
Rahmanian: Materials Science and Technology, Vol. 19 (2003), p. 1033-1036 [7] E.L.
The friction and wear of lubricated sliding surfaces of coated vanes were studied by Jeon et al [3].
The fracture toughness of interface between weld overlay and base metal was examined by Abdolmaleki et al [6].
Therefore, c = a + ål [15].
Rahmanian: Materials Science and Technology, Vol. 19 (2003), p. 1033-1036 [7] E.L.
Online since: June 2015
Authors: Sambandam Padmanabhan, S. Sivasaravanan, Karun Devasundaram
Gopinath et al [4] developed artificial immune algorithm based hybrid algorithm to optimize the scheduling problem.
Kumar et al [7] optimized internal spur gear with minimization function of center distance using genetic algorithm.
Perform the cloning of the antibodies using equation (13) was adopted from Juan Carlos Herrera et al. [12]
Here two phased mutation process carried out using the equation (14), Juan Carlos Herrera et al. [12]
El-Sherbiny and Yasser M.
Kumar et al [7] optimized internal spur gear with minimization function of center distance using genetic algorithm.
Perform the cloning of the antibodies using equation (13) was adopted from Juan Carlos Herrera et al. [12]
Here two phased mutation process carried out using the equation (14), Juan Carlos Herrera et al. [12]
El-Sherbiny and Yasser M.
Online since: October 2015
Authors: Mohammad Reza Khoshravan, Mahsa Kharazi, Arash Ranjbaran
Dinghe et al. [3] investigated the free vibration of composite sandwich plate with layerwise/solid-element method.
Chakrabartia et al. [4] studied stability analysis of sandwich beam with soft core.
Ranjbaran et al. [9] investigated bucling analysis of sandwich plates using layerwise theory.
Maturi et al. [10] studied static and free vibration of sandwich plates by the use of collocation with radial basis functions and using a new layerwise theory.
Table 1: Mechanical properties of unidirectional layer laminate EL (GPa) ET (GPa) GLT (GPa) vLT Unidirectional layer 56 6.8 4.2 0.26 Viscoelastic Modeling.
Chakrabartia et al. [4] studied stability analysis of sandwich beam with soft core.
Ranjbaran et al. [9] investigated bucling analysis of sandwich plates using layerwise theory.
Maturi et al. [10] studied static and free vibration of sandwich plates by the use of collocation with radial basis functions and using a new layerwise theory.
Table 1: Mechanical properties of unidirectional layer laminate EL (GPa) ET (GPa) GLT (GPa) vLT Unidirectional layer 56 6.8 4.2 0.26 Viscoelastic Modeling.
Online since: February 2013
Authors: Xin Nan Wang, Li Wei Zhu, Guo Qiang Shang, Zhi Shou Zhu, Xiao Hu Zhou, Yue Fei, Jun Li
Fig. 1 Microstructure of the forged Ti-Mo-Nb-Cr-Al-Fe-Si system alloy bar
Determination of β transus temperature.
That means the β-transus temperature of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy is between 830℃ and 835℃.
Fig. 3 shows the evolution of microstructure of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy after different heat treatment.
The properties of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy in different heat treatment conditions are listed in Table 1.
Table 1 Properties of the investigated alloy in different heat treatment conditions Heat treatment regimes UTS (MPa) YS (MPa) EL (%) RA (%) 800℃/2h, AC+580℃/8h, AC 1203 1164 15.2 64.0 800℃/0.5h, AC+560℃/8h, AC 1305 1252 11.9 51.0 800℃/2h, AC+540℃/8h, AC 1344 1295 11.2 55.5 810℃/0.5h, AC+540℃/8h, AC 1472 1416 4.4 15.1 820℃/2h, AC+540℃/8h, AC 1572 1569 0.65 2.0 Summary The microstructure and mechanical properties of Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy after different heat treatments were investigated.
That means the β-transus temperature of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy is between 830℃ and 835℃.
Fig. 3 shows the evolution of microstructure of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy after different heat treatment.
The properties of the investigated Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy in different heat treatment conditions are listed in Table 1.
Table 1 Properties of the investigated alloy in different heat treatment conditions Heat treatment regimes UTS (MPa) YS (MPa) EL (%) RA (%) 800℃/2h, AC+580℃/8h, AC 1203 1164 15.2 64.0 800℃/0.5h, AC+560℃/8h, AC 1305 1252 11.9 51.0 800℃/2h, AC+540℃/8h, AC 1344 1295 11.2 55.5 810℃/0.5h, AC+540℃/8h, AC 1472 1416 4.4 15.1 820℃/2h, AC+540℃/8h, AC 1572 1569 0.65 2.0 Summary The microstructure and mechanical properties of Ti-Mo-Nb-Cr-Al-Fe-Si system titanium alloy after different heat treatments were investigated.
Online since: June 2021
Authors: Marek Goral, Tadeusz Kubaszek, Marcin Drajewicz, Maciej Pytel, Barbara Kościelniak, Patrycja Wierzba, Piotr Cichosz
Li et al. [8] proposed the high-temperature plasma nitriding process in a short time (below 60 min.).
The influence of process temperature was investigated by De Souza et al. [9].
Adachi et al. proposed the plasma nitriding of AISI 316L previously cold sprayed on base material [15].
Cabo, E.L.
Hamann, Al.
The influence of process temperature was investigated by De Souza et al. [9].
Adachi et al. proposed the plasma nitriding of AISI 316L previously cold sprayed on base material [15].
Cabo, E.L.
Hamann, Al.
Online since: August 2016
Authors: Francis Mulimbayan, Christian Mark Pelicano
El-Sayed, Spectral Properties and Relaxation Dynamics of Surface Plasmon Electronic Oscillations in Gold and Silver Nanodots and Nanorods, Journal of Physical Chemistry B, 103 (1999) 8410-8426
[2] T.
Galstyan et al.
Aleshin et al.
Zhang et al.
Jun et al., Ultraviolet photodetectors based on ZnO nanoparticles, Ceramics International, 35 (2009) 2797–2801 [9] Ü.
Galstyan et al.
Aleshin et al.
Zhang et al.
Jun et al., Ultraviolet photodetectors based on ZnO nanoparticles, Ceramics International, 35 (2009) 2797–2801 [9] Ü.