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Online since: December 2023
Authors: Yousef R. Alharbi
References
[1] Abadel AA, Alghamdi H, Alharbi YR, et al: Investigation of Alkali-Activated Slag-Based Composite Incorporating Dehydrated Cement Powder and Red Mud.
[3] Kotop MA, El-Feky MS, Alharbi YR, et al: Engineering properties of geopolymer concrete incorporating hybrid nano-materials.
[4] Zaid O, Martínez-García R, Abadel AA, et al: To determine the performance of metakaolin-based fiber-reinforced geopolymer concrete with recycled aggregates.
[5] Althoey F, Zaid O, Alsulamy S, et al: Experimental study on the properties of ultra-high-strength geopolymer concrete with polypropylene fibers and nano-silica.
[13] Al-Majidi MH, Lampropoulos A, Cundy A, Meikle S: Development of geopolymer mortar under ambient temperature for in situ applications.
[3] Kotop MA, El-Feky MS, Alharbi YR, et al: Engineering properties of geopolymer concrete incorporating hybrid nano-materials.
[4] Zaid O, Martínez-García R, Abadel AA, et al: To determine the performance of metakaolin-based fiber-reinforced geopolymer concrete with recycled aggregates.
[5] Althoey F, Zaid O, Alsulamy S, et al: Experimental study on the properties of ultra-high-strength geopolymer concrete with polypropylene fibers and nano-silica.
[13] Al-Majidi MH, Lampropoulos A, Cundy A, Meikle S: Development of geopolymer mortar under ambient temperature for in situ applications.
Online since: April 2025
Authors: Noorasma Maisarah Mohd Lotfi, Azira Khairudin, Mohd Ikmar Nizam Mohamad Isa, Azwani Sofia Ahmad Khiar, Syahida Suhaimi
The primary compound detected using EDX is aluminum, Al compound at 1.5 KeV.
Element wt. % at. % O 2.67 4.23 Al 93.50 87.71 C 3.83 8.07 Total 100.00 100.00 Fig. 5.
FTIR results showed a different composition between the non-iodized Al sheet and the iodized AAO template.
Combination of absorption wavelength of non-iodized Al sheet, 0.3M, 0.4M and 0.5M of C2H2O4.
El-Shamy, “Review on fabrication, characterization, and applications of porous anodic aluminum oxide films with tunable pore sizes for emerging technologies,” Jul. 15, 2023, Elsevier B.V. doi: 10.1016/j.mee.2023.112061
Element wt. % at. % O 2.67 4.23 Al 93.50 87.71 C 3.83 8.07 Total 100.00 100.00 Fig. 5.
FTIR results showed a different composition between the non-iodized Al sheet and the iodized AAO template.
Combination of absorption wavelength of non-iodized Al sheet, 0.3M, 0.4M and 0.5M of C2H2O4.
El-Shamy, “Review on fabrication, characterization, and applications of porous anodic aluminum oxide films with tunable pore sizes for emerging technologies,” Jul. 15, 2023, Elsevier B.V. doi: 10.1016/j.mee.2023.112061
Online since: December 2024
Authors: Dieu Huong Chu, Thi Chinh Thuy Dao, Duong Vu Mai Phuong, Nguyen Thu Phuong
Salwa Mowaf et al. had tested improving wool fabric by using bio- and chemical treatments [9].
Alireza Ghasemi et al.
Honglian Cong et al. had investigated nine groups of knitted woolen fabrics for sportswear treated by oxygen low-temperature plasma [11].
Hu et al. [8] and then knitted woolen loop tended to return to their first shape in cooling conditions.
[9] Salwa M., Rania El-N, Improving Some Aesthetic and Performance Characteristics of Wool via Synergistic Action of a Protease and a Cationic Silicon Softener.
Alireza Ghasemi et al.
Honglian Cong et al. had investigated nine groups of knitted woolen fabrics for sportswear treated by oxygen low-temperature plasma [11].
Hu et al. [8] and then knitted woolen loop tended to return to their first shape in cooling conditions.
[9] Salwa M., Rania El-N, Improving Some Aesthetic and Performance Characteristics of Wool via Synergistic Action of a Protease and a Cationic Silicon Softener.
Online since: August 2007
Authors: Hasan Mandal, E. Suvaci, A. Ceylan
SiAlONs can be formed by the
replacement of Si-N with Al-O in Si3N4 structure.
Chartier et.al [25] has also proved the steric stabilization of polyphosphates.
Oliveria et al [23] found isoelectric point of AlN at around 12.
The same results for Y2O3 were found by Albona et al [27].
El fallah and J.M.
Chartier et.al [25] has also proved the steric stabilization of polyphosphates.
Oliveria et al [23] found isoelectric point of AlN at around 12.
The same results for Y2O3 were found by Albona et al [27].
El fallah and J.M.
Online since: January 2013
Authors: Miau Ru Dai, Cheng Jen Tang
Masanet et al. [3] examine the EPA study [2], and proposes an
estimation model for the energy use and efficiency potential of U.S. data centers.
Belady et al. [14] find that the cooling system is responsible for most of non-IT power consumption of a data center.
Moore et al. [23, 24], Ramos and Bianchini[25], and Tang et al.[26] all find a strong correlation between CPU utilization and the temperature.
Parolini et al. [27] and Qouneh et al. [28] discover that the average data center power consumption is linear with respect to average server utilization value, if a data center is efficiently cooled, which means the inlet temperatures of the servers equal the supplied air temperatures of the cooling units.
El-Saadany: Electric Power Systems Research Vol. 78 (2008), p. 1989
Belady et al. [14] find that the cooling system is responsible for most of non-IT power consumption of a data center.
Moore et al. [23, 24], Ramos and Bianchini[25], and Tang et al.[26] all find a strong correlation between CPU utilization and the temperature.
Parolini et al. [27] and Qouneh et al. [28] discover that the average data center power consumption is linear with respect to average server utilization value, if a data center is efficiently cooled, which means the inlet temperatures of the servers equal the supplied air temperatures of the cooling units.
El-Saadany: Electric Power Systems Research Vol. 78 (2008), p. 1989
Online since: July 2004
Authors: Zhi Guang Liu, De Liang Zhang, C.C. Koch
As an example of processing metal-metal composite powders, Fig. 2 illustrates the
microstructural evolution of powder particles during high energy milling of a powder mixture of Al
and Ni with a composition of Al-25at%Ni.
As an example, Fig. 5(a) shows the cross-section (a) (b) Fig. 4: Microstructure of Ti(Al)-10vol.
of one of the TiO2-Al composite powder particles produced by discus milling for 6 hours.
Currently it has been mainly used for making Al-TiO2 composite powders for further processing.
El-Eskandarany, J.
As an example, Fig. 5(a) shows the cross-section (a) (b) Fig. 4: Microstructure of Ti(Al)-10vol.
of one of the TiO2-Al composite powder particles produced by discus milling for 6 hours.
Currently it has been mainly used for making Al-TiO2 composite powders for further processing.
El-Eskandarany, J.
Online since: May 2014
Authors: Henry Hu, Meng Wang, Yeou Li Chu, Gary Meng, Yan Da Zou, Patrick Cheng
Relatively expensive friction stir welding has been attempted on joining C-HPDC Al alloy ADC 12 despite of its high cost [6, 7].
The ultimate tensile strength (UTS), 2% offset yield strength (YS) and elongation (El%) were determined for all tested specimens based on the average of five tests.
Mg2Si Eutectic Si Primary Al (a) X-ray Count Al Energy (Kev) (b) X-ray Count Al Si Energy (Kev) (c) Fe Mg Si X-ray Count Al Energy (Kev) (d) Fig. 6 Micrograph showing a) phases present in the T6 A356, and EDS analysis indicating the presence of b) Primary Al, c) Eutetic Si and d) Mg- based phases.
According to Niu et al. [9], the presence of gas porosity in castings is harmful to the mechanical properties of aluminum die castings.
The fracture path was mainly along the boundary between the α-Al dendrites and the eutectic mixture which are clearly revealed in Figure 8.
The ultimate tensile strength (UTS), 2% offset yield strength (YS) and elongation (El%) were determined for all tested specimens based on the average of five tests.
Mg2Si Eutectic Si Primary Al (a) X-ray Count Al Energy (Kev) (b) X-ray Count Al Si Energy (Kev) (c) Fe Mg Si X-ray Count Al Energy (Kev) (d) Fig. 6 Micrograph showing a) phases present in the T6 A356, and EDS analysis indicating the presence of b) Primary Al, c) Eutetic Si and d) Mg- based phases.
According to Niu et al. [9], the presence of gas porosity in castings is harmful to the mechanical properties of aluminum die castings.
The fracture path was mainly along the boundary between the α-Al dendrites and the eutectic mixture which are clearly revealed in Figure 8.