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Online since: March 2007
Authors: Tatsuya Morikawa, Kenji Higashida, Tetsuro Kawada
Behaviors of fracture and deformation in a Zr-Al-Ni-Cu bulk metallic glass(BMG) was
investigated by using three-point bending tests.
Experimental Procedure Specimens were prepared from a Zr-10at%Al-5at%Ni-30at%Cu metallic glass alloy.
Conclusions Behaviors of fracture and deformation in a Zr-Al-Ni-Cu bulk metallic glass(BMG) were investigated by using three-point bending tests.
[8]T.C.Hufnagel, P.El-Deiry and R.P.Vinci:Scr.Mater., Vol.43(2000), p.1071
Experimental Procedure Specimens were prepared from a Zr-10at%Al-5at%Ni-30at%Cu metallic glass alloy.
Conclusions Behaviors of fracture and deformation in a Zr-Al-Ni-Cu bulk metallic glass(BMG) were investigated by using three-point bending tests.
[8]T.C.Hufnagel, P.El-Deiry and R.P.Vinci:Scr.Mater., Vol.43(2000), p.1071
Online since: August 2017
Authors: Mario Rosso, Ildiko Peter, Silvia Lombardo
Aluminum alloy
Si %
Fe %
Cu %
Mn %
Mg %
Ni %
Zn %
Ti %
Al %
EN AB 48000
Min
10.5
-
0.8
-
0.9
0.70
-
-
Bal.
Reed, Micromechanisms of short fatigue crack growth in an Al–Si piston alloy, Materials Science & Engineering, A612, pp.302–309, (2014)
Kaufman, E.L.
Al, Thermal analysis and microscopic characterization of the piston alloy AlSi13Cu4Ni2Mg, Intermetallics, Vol 19, pp.486-492, (2011)
McAlister, The Al-Si (Aluminum-Silicon) system, Bullettin of alloy phase diagrams, Vol.5, pp. 75,(1984)
Reed, Micromechanisms of short fatigue crack growth in an Al–Si piston alloy, Materials Science & Engineering, A612, pp.302–309, (2014)
Kaufman, E.L.
Al, Thermal analysis and microscopic characterization of the piston alloy AlSi13Cu4Ni2Mg, Intermetallics, Vol 19, pp.486-492, (2011)
McAlister, The Al-Si (Aluminum-Silicon) system, Bullettin of alloy phase diagrams, Vol.5, pp. 75,(1984)
Online since: August 2013
Authors: Ayman Abbas, Khaled El-Geneidy
Application of Image Processing and Fuzzy Logic to Mobile Robots Providing Assistance to Fire Fighters
Ayman Abbasa and Khaled El-Geneidyb
The British University in Egypt, Cairo Suez Road, Sherouk City 11837 Egypt
aaabbas@bue.edu.eg, bkhaled.elgeneidy@bue.edu.eg
Keywords: Motion tracking, Mobile robots, Fire fighting.
Examples of attempts at autonomously aiding fire fighters include the platform developed by Khoon et al [1] and the robot by Young-Duk et al [2] and vision based robots [3].
Penders, et al, "A Robot Swarm Assisting a Human Fire-Fighter", Advanced Robotics, vol. 25, pp. 93-117. 2011 [5] R.
Examples of attempts at autonomously aiding fire fighters include the platform developed by Khoon et al [1] and the robot by Young-Duk et al [2] and vision based robots [3].
Penders, et al, "A Robot Swarm Assisting a Human Fire-Fighter", Advanced Robotics, vol. 25, pp. 93-117. 2011 [5] R.
Online since: August 2014
Authors: Zhi Li Zhai, Gong De Wu, Xiao Li Wang, Yu Wei Dai
A Mg–Al layered-double hydroxide (LDH) intercalated by sulphonato-salhen-chromium (III) complex was prepared and then used to the selective oxidation of benzyl alcohol by 30% H2O2. without any organic solvent, phase transfer catalyst or additive.
The contents of carbon, nitrogen and sulfur of all the samples were determined using a Vario EL analyzer.
This indicated that the significantly increased basal spacing in comparison with that of LDH, which strongly suggested the chromium complex was successfully intercalated into the Mg–Al LDH interlayer [12].
The contents of carbon, nitrogen and sulfur of all the samples were determined using a Vario EL analyzer.
This indicated that the significantly increased basal spacing in comparison with that of LDH, which strongly suggested the chromium complex was successfully intercalated into the Mg–Al LDH interlayer [12].
Online since: July 2015
Authors: Mohamad El Mehtedi, Carlo Bruni, Alessio D'Orazio
El Mehtedi1
1 DIISM, Università Politecnica delle Marche, via Brecce Bianche, Ancona, Italia
c.bruni@univpm.ita,*
Keywords: Friction stir lap welding, aluminium alloy, finite element modelling
Abstract.
Shen, A feasibility research on friction stir welding of a new-typed lap–butt joint of dissimilar Al alloys, Materials and Design 34 (2012) 725–731
Shen, A feasibility research on friction stir welding of a new-typed lap–butt joint of dissimilar Al alloys, Materials and Design 34 (2012) 725–731
Online since: November 2016
Authors: Samantha F. Douman, Usisipho Feleni, Nomaphelo Ntshongontshi, Rachel Fanelwa Ajayi, Ezo Nxusani, Anovuyo Jonnas, Lindsay Wilson, Emmanuel Iheanyichukwu Iwuoha, Keagan Pokpas
Quintino et.al used screen-printed carbon electrode (SPCE) modified with poly-l-histidine for the successful determination of isoniazid in human urine samples [30].
They are namely; bare Au, Au/PVP-AgNPs/Au/PANSA/PVP-AgNPs and Au//PANSA/PVP-AgNPs/CYP2E1 and are discussed in length in a publication by Ngece et al, 2011 [38].
[17] A.M El-Brashy, S.M.
El-Ashry, Colorimetric and titrimetric assay of isoniazid, Journal of Pharmaceutical and Biomedical Analysis. 10 (1992) 421–426
El-Baradie, A.
They are namely; bare Au, Au/PVP-AgNPs/Au/PANSA/PVP-AgNPs and Au//PANSA/PVP-AgNPs/CYP2E1 and are discussed in length in a publication by Ngece et al, 2011 [38].
[17] A.M El-Brashy, S.M.
El-Ashry, Colorimetric and titrimetric assay of isoniazid, Journal of Pharmaceutical and Biomedical Analysis. 10 (1992) 421–426
El-Baradie, A.
Online since: September 2013
Authors: Ibrahim Al Hamrouni, Azhar Khairuddin, M. Salem
Application of Differential Evolution Algorithm in Transmission Expansion Planning
Ibrahim Al hamrouni1,a, Azhar B khairuddin2,b , M.Salem3,c
1,2Faculty of Electrical Engineering-Universiti Teknologi Malaysia-Skudai, Johor Bahru- Malaysia
amaibrahim2@live.utm.my ,bazhar@fke.utm.my, cmoha_so_2009@yahoo.com
Keywords：Transmission expansion planning, Meta-heuristics, Differential evolution algorithm applications, Optimization.
Romero et al. [3] presented and analyzed heuristic algorithms for the transportation model in static and multistage TEP.
A differential evolution based method for power system planning problem has been presented by Dong et al. [9].
Sum-Im et al [10] employed the differential evolution algorithm (DEA) as an optimizing tool for the transmission expansion planning.
[12] Silva E.L., Gil H.A., Areiza J.M.: ‘Transmission network expansion planning under an improved genetic algorithm’, IEEE Trans.
Romero et al. [3] presented and analyzed heuristic algorithms for the transportation model in static and multistage TEP.
A differential evolution based method for power system planning problem has been presented by Dong et al. [9].
Sum-Im et al [10] employed the differential evolution algorithm (DEA) as an optimizing tool for the transmission expansion planning.
[12] Silva E.L., Gil H.A., Areiza J.M.: ‘Transmission network expansion planning under an improved genetic algorithm’, IEEE Trans.
Online since: September 2013
Authors: Nandy Putra, Wayan Nata Septiadi, Ranggi Sahmura, Cahya Tri Anggara
Suresh et al. [17] studied the heat transfer characteristics of Al2O3-Cu/water nanofluid.
As discussed by Qu et al. [19], the nanoparticles suspended at base fluid can enhance and stabilize the nucleation at the evaporator and increase the bubble release frequency, decreasing the thermal resistance of evaporator.
Chen, et al.
El-Assal.
As discussed by Qu et al. [19], the nanoparticles suspended at base fluid can enhance and stabilize the nucleation at the evaporator and increase the bubble release frequency, decreasing the thermal resistance of evaporator.
Chen, et al.
El-Assal.
Online since: August 2017
Authors: Mihai Vasile, Robert Ciocoiu, Adrian Bibis, Ion Ciuca, Alaa Abu Harb, Ismaiel Al Hawamda, Bilel Rahali
Effect of TIG Welding and Manual Metal Arc Welding on Mechanical Properties of AISI 304 and 316L Austenitic Stainless Steel Sheets
Alaa Abou Harb1,a *, Ion Ciuca1,b, Robert Ciocoiu1,c, Mihai Vasile1,d,
Adrian Bibis2,e, Bilel Rahali1,f, Ismaiel Al Hawamda1,g
1Faculty of Material Science and Engineering, University Polytechnic of Bucharest, Romania
2Romanian Research & Development Institute for Gas Turbines COMOTI, Romania
a*alaaabouhareb84@hotmail.com, bion.ciuca@medu.edu.ro, cciocoiurobert@gmail.com,
dvasileionmihai@yahoo.com, eadrian.bibis@comoti.ro, fbilel.rahali@gmail.com,
gismaielalhawamda@gmail.com
Keywords: AISI 316L stainless steel, AISI 304 stainless steel, Mechanical properties, gas tungsten arc welding, Manual Metal Arc welding.
Welding parameters used Specimens Welding method Welding current [A] Shielding gas Welding voltage [V] Welding electrode Full specimens ELT304 MMAW 80 - 20 - 24 309L-17[10] ELL304 MMAW 80 - 20 - 24 309L-17 ELT 316L MMAW 80 - 20 - 24 309L-17 ELL 316L MMAW 80 - 20 - 24 309L-17 Specimens with holes TIGHT304 TIG 80 Argon 20 - 24 308L [10] TIGHL304 TIG 80 Argon 20 - 24 308L TIGHT316L TIG 80 Argon 20 - 24 308L TIGHL316L TIG 80 Argon 20 - 24 308L Abbreviations used: - EL – electrode for MMAW, - T - transverse and L – longitudinal (the sample orientation) - H - hole presence. 3.
AL 201 HPTM (UNS S20100) Alloy A High Performance, Lower Nickel Alternative to 300 Series Alloy.
Welding parameters used Specimens Welding method Welding current [A] Shielding gas Welding voltage [V] Welding electrode Full specimens ELT304 MMAW 80 - 20 - 24 309L-17[10] ELL304 MMAW 80 - 20 - 24 309L-17 ELT 316L MMAW 80 - 20 - 24 309L-17 ELL 316L MMAW 80 - 20 - 24 309L-17 Specimens with holes TIGHT304 TIG 80 Argon 20 - 24 308L [10] TIGHL304 TIG 80 Argon 20 - 24 308L TIGHT316L TIG 80 Argon 20 - 24 308L TIGHL316L TIG 80 Argon 20 - 24 308L Abbreviations used: - EL – electrode for MMAW, - T - transverse and L – longitudinal (the sample orientation) - H - hole presence. 3.
AL 201 HPTM (UNS S20100) Alloy A High Performance, Lower Nickel Alternative to 300 Series Alloy.
Online since: July 2013
Authors: Jie Zhang, Xiao Wen Liu, Guo Chao Wang
The right part of the area was occupied by Cu[Al] solid solution.
TiC laminae were located between Ag and Cu[Al] solid solution.
During the brazing process, due to the intense affinity from Cu, Al and Ti diffused out from Ti2AlC and dissolved into the Cu.
Some of the Ti2AlC were not totally decomposed to TiC and Al, they were transformed into Ti3AlC2 due to partial loss of Al and Ti.
El-Raghy: Scripta Mater.
TiC laminae were located between Ag and Cu[Al] solid solution.
During the brazing process, due to the intense affinity from Cu, Al and Ti diffused out from Ti2AlC and dissolved into the Cu.
Some of the Ti2AlC were not totally decomposed to TiC and Al, they were transformed into Ti3AlC2 due to partial loss of Al and Ti.
El-Raghy: Scripta Mater.