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Online since: March 2017
Authors: Bashar S. Mohammed, Mohd Fadhil Nuruddin, A.M. Mustafa Al Bakri, Ahmad B. Malkawi, Amir Fauzi
Effect of Alkaline Solution to Fly Ash Ratio on Geopolymer Mortar Properties
Amir Fauzi1,2,a *, Muhd Fadhil Nuruddin1,b, Ahmad B.
The effect of the alkaline solution to fly ash ratios of 0.3, 0.4 and 0.5 on mortar geopolymer properties was an issue in this study.
The results showed that changing AS/FA ratio improved a geopolymer mortar properties in terms of workability, setting time and compressive strength.
Chaudhary, Mechanism of geopolymerization and factors influencing its development: a review, Journal of Materials Science, 42 (2007) 729-746
Almattarneh, B.S Mohammed, Effects of alkaline solution on properties of the HCFA geopolymer mortars, Procedia Engineering, 148 (2016) 710-717
The effect of the alkaline solution to fly ash ratios of 0.3, 0.4 and 0.5 on mortar geopolymer properties was an issue in this study.
The results showed that changing AS/FA ratio improved a geopolymer mortar properties in terms of workability, setting time and compressive strength.
Chaudhary, Mechanism of geopolymerization and factors influencing its development: a review, Journal of Materials Science, 42 (2007) 729-746
Almattarneh, B.S Mohammed, Effects of alkaline solution on properties of the HCFA geopolymer mortars, Procedia Engineering, 148 (2016) 710-717
Online since: December 2011
Authors: Moussa Karama, V. Cazajus, Sébastien Seguy, Hélène Welemane
The ceramic material is known to be linear elastic and its properties do not depend on temperature.
Full bibliographic mechanical and thermal properties are available for alumina (A), stainless steel (SS) and filler metal (FM) on Table 1.
Mechanical and thermal properties of each component according to temperature: Alumina (A), Filler Metal (FM), Stainless Steel (SS).
Geometrical factors level (Tab. 1) Von Mises stress (MPa) -1 +1 Figure 11.
Geometrical factors effects on maximal stress of the pipe design 6.
Full bibliographic mechanical and thermal properties are available for alumina (A), stainless steel (SS) and filler metal (FM) on Table 1.
Mechanical and thermal properties of each component according to temperature: Alumina (A), Filler Metal (FM), Stainless Steel (SS).
Geometrical factors level (Tab. 1) Von Mises stress (MPa) -1 +1 Figure 11.
Geometrical factors effects on maximal stress of the pipe design 6.
Online since: May 2014
Authors: Jarmila Drozdova, Lukas Koval
Resulting values vary and depend on many factors that significantly affect the interpretation of results.
The surface properties of pyrite play a significant role in the process of determining its separation from other minerals [3].
The most important surface property which affects the separation process is a wettability of the mineral surface [4].
In all other cases a measurement error was caused by random factors – drop spreading, different tilt of sample caused by a manipulation with the sample or the presence of dust particles on the sample surface.
Nguyen, A review of factors that affect contact angle and implications for flotation practice, J.
The surface properties of pyrite play a significant role in the process of determining its separation from other minerals [3].
The most important surface property which affects the separation process is a wettability of the mineral surface [4].
In all other cases a measurement error was caused by random factors – drop spreading, different tilt of sample caused by a manipulation with the sample or the presence of dust particles on the sample surface.
Nguyen, A review of factors that affect contact angle and implications for flotation practice, J.
Online since: August 2011
Authors: Anak Khantachawana, Julathep Kajornchaiyakul, Surachai Dechkunakorn, P. Santiwong, N. Anuwongnukroh, A. Phukaoluan, Pongpan Kaewtatip
Mechanical properties were evaluated by micro hardness and three-point bending tests.
Austenetic finish (Af) and Martensitic start (Ms) are critical factors of their transformation behavior.
Summary In order to fabricate the NiTi shape memory alloy for orthodontics purposes, three principle factors, (alloy composition, work hardening and heat treatment temperature) should be carefully determined to investigate their effect on the transformation behavior and mechanical properties of NiTi and TiNiCu.
The effect of short-term temperature changes on the mechanical properties of rectangular nickel-titanium archwires tested in torsion.
Hosoda. martensite transformation temperatures and mechanical properties of ternary NiTi alloys with off-stoichiometric compositions.
Austenetic finish (Af) and Martensitic start (Ms) are critical factors of their transformation behavior.
Summary In order to fabricate the NiTi shape memory alloy for orthodontics purposes, three principle factors, (alloy composition, work hardening and heat treatment temperature) should be carefully determined to investigate their effect on the transformation behavior and mechanical properties of NiTi and TiNiCu.
The effect of short-term temperature changes on the mechanical properties of rectangular nickel-titanium archwires tested in torsion.
Hosoda. martensite transformation temperatures and mechanical properties of ternary NiTi alloys with off-stoichiometric compositions.
Online since: March 2020
Authors: Li Hui Lang, Lei Li, Ehsan Sherkatghanad, Hamza Blala
The Fiber metal laminates (FMLs) combine the advantages of fiber-reinforced polymer properties, like stiffness and strength, with metallic alloys, like toughness and durability.
Tensile properties of fiber-reinforced metal laminates were tested on CTM-100G universal testing machine with using of the extensometer.
Table1 shown the tensile properties of GLARE laminate.
These standard arrays specify the way of leading the minimal number of experiments and could give us the information of all the factors that affect the performance parameter.
The elastic and plastic properties of the aluminum coupled with the engineering constants and expansion factor this data imported into the simulation.
Tensile properties of fiber-reinforced metal laminates were tested on CTM-100G universal testing machine with using of the extensometer.
Table1 shown the tensile properties of GLARE laminate.
These standard arrays specify the way of leading the minimal number of experiments and could give us the information of all the factors that affect the performance parameter.
The elastic and plastic properties of the aluminum coupled with the engineering constants and expansion factor this data imported into the simulation.
Online since: March 2024
Authors: Boris Golman, Aidana Boribayeva, Xeniya Gvozdeva
Particle shape, particularly its sphericity, plays a vital role in efficiently packing particles which directly affects to heat transfer properties.
To investigate this effect, three samples of particles with different shape were formed: spheres, ellipses, and cylinders using Discrete Element Method with equal volume and material properties, and only variation of their sphericity factors.
Physical properties of the particles and DEM parameters are listed in Table 2.
DEM simulation and mechanical properties of the spherical, elliptical, and superquadric particles.
These behaviors significantly affected the packing structure properties.
To investigate this effect, three samples of particles with different shape were formed: spheres, ellipses, and cylinders using Discrete Element Method with equal volume and material properties, and only variation of their sphericity factors.
Physical properties of the particles and DEM parameters are listed in Table 2.
DEM simulation and mechanical properties of the spherical, elliptical, and superquadric particles.
These behaviors significantly affected the packing structure properties.
Online since: November 2012
Authors: Tibor Czigány, Sándor Kling
The geometry and mechanical properties of solid and hollow carbon fibres were investigated by light- and scanning electron microscopy, and by single fibre tensile tests.
It was shown that the bigger the diameter of the fibres the lower the mechanical properties is.
It was found that the hollow carbon fibres are suitable for preparation of a self-repairing composite with the advantage over other solutions because of their geometrical and mechanical properties.
The mechanical properties of the fibres The results of both fibre type show, that the bigger is the diameter, the lower are the mechanical properties.
By increasing the diameter of the fibres, the mechanical properties are declining.
It was shown that the bigger the diameter of the fibres the lower the mechanical properties is.
It was found that the hollow carbon fibres are suitable for preparation of a self-repairing composite with the advantage over other solutions because of their geometrical and mechanical properties.
The mechanical properties of the fibres The results of both fibre type show, that the bigger is the diameter, the lower are the mechanical properties.
By increasing the diameter of the fibres, the mechanical properties are declining.
Online since: November 2012
Authors: Yong Hu, Hua Bin Wen, Min Zhou, Wen Hui Wang, Yan Shi, Liang Li
The normal production is severely affected.
2) Sealing effect is not satisfactory.
The product’s quality is severely affected or the production is forced to interrupt.
Heat convection coefficient is the main factor impacting the distribution of seal rings temperature.
Table 2 shows their mechanical property [5].
Mechanical seal technology.
The product’s quality is severely affected or the production is forced to interrupt.
Heat convection coefficient is the main factor impacting the distribution of seal rings temperature.
Table 2 shows their mechanical property [5].
Mechanical seal technology.
Online since: September 2013
Authors: Abdul Hakim Abdullah, Muhamad Faris Syafiq Khalid
There are also studies on tensile properties of APFREC that has been done by Siregar [8] and study on impact properties of APFREC by Leman and his colleagues [9].
Moisture, heat, UV light and many other environmentally induced factors tend to cause changes in a composite’s property.
These factors can cause changes either on its mechanical or physical properties.
After weighing, the epoxy resin was left for 8 to 10 min to remove entrapped air which can impair mechanical properties of the composite.
Mechanical properties of woven banana fibre reinforced epoxy composites.
Moisture, heat, UV light and many other environmentally induced factors tend to cause changes in a composite’s property.
These factors can cause changes either on its mechanical or physical properties.
After weighing, the epoxy resin was left for 8 to 10 min to remove entrapped air which can impair mechanical properties of the composite.
Mechanical properties of woven banana fibre reinforced epoxy composites.
Online since: January 2013
Authors: Chen Xiao Ning, Xu She Zhang
The properties and characteristics of the circuits are different in accordance of the flow valve we use.
The volume efficiency and physical dimensional deviation of the system are the primary factors that affect the synchronization precision.
Although the closed loop control hydraulic synchronous circuit has a complex composition and costs more, it can overcome the disturbance from all kinds of factors that will influence the synchronous accuracy and obtain a high precision synchronous drive control.
Factors Affected the Synchronous Precision Variation in Load.
Variation and Property Difference of the Hydraulic Components.
The volume efficiency and physical dimensional deviation of the system are the primary factors that affect the synchronization precision.
Although the closed loop control hydraulic synchronous circuit has a complex composition and costs more, it can overcome the disturbance from all kinds of factors that will influence the synchronous accuracy and obtain a high precision synchronous drive control.
Factors Affected the Synchronous Precision Variation in Load.
Variation and Property Difference of the Hydraulic Components.