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Online since: February 2011
Authors: Yun Liang Li, Yi Qiu Tan, Yang Jian Ou
No matter high strength or low strength CA mortar, both of them are affected by multi-factors, such as ratio of asphalt and concrete, ratio of sand and concrete, sand gradation and added material.
The factors above can finally affect microstructure of CA mortar.
Cement: were ordinary Portland cements, The properties of the three cements were listed in Table 1.Asphalt emulsion: anion slow-breaking emulsion asphalt.
The properties of the three asphalt emulsion were listed in Table 2.
From Fig.6, different m(S)/m(C) determines different cementation state of microstructures of solidified body, accordingly affecting strength.
The factors above can finally affect microstructure of CA mortar.
Cement: were ordinary Portland cements, The properties of the three cements were listed in Table 1.Asphalt emulsion: anion slow-breaking emulsion asphalt.
The properties of the three asphalt emulsion were listed in Table 2.
From Fig.6, different m(S)/m(C) determines different cementation state of microstructures of solidified body, accordingly affecting strength.
Online since: December 2022
Authors: Jérôme Chevalier, Helen Reveron, Malika Saadaoui, Pascal Reynaud, Imane Touaiher
Porous scaffolds for bone regeneration should satisfy a combination of requirements properties [10, 11]: biocompatibility, biodegradability, osteoconductivity and mechanical properties.
Mechanical Characteristics The studied scaffold exhibits good mechanical properties.
This study pave the way for future work to identify the damage mechanism and factors controlling the fracture in this scaffold to achieve better mechanical and biological performance.
Guiberteau, Mechanical properties of calcium phosphate scaffolds fabricated by robocasting, J.
Van Eijden, Mechanical properties of cancellous bone in the human mandibular condyle are anisotropic, J.
Mechanical Characteristics The studied scaffold exhibits good mechanical properties.
This study pave the way for future work to identify the damage mechanism and factors controlling the fracture in this scaffold to achieve better mechanical and biological performance.
Guiberteau, Mechanical properties of calcium phosphate scaffolds fabricated by robocasting, J.
Van Eijden, Mechanical properties of cancellous bone in the human mandibular condyle are anisotropic, J.
Online since: October 2007
Authors: Qing Xin Zhang, Yutaka Kagawa, Kimiyoshi Naito
Some important factors
are temperature, pH, nature of the solvent, and the type of alkoxide precursors.
FT-IR and X-ray were used to characterize their microstructure and their tensile mechanical properties were evaluated.
The mechanical properties of polyimide as well as polyimide/SiO2 nanocomposites were shown in Table 1.
Mechanical properties of an inorganic particle-reinforced composite depend on many factors, such as intrinsic properties of particles, particle loading level, particle shape, and particle-matrix adhesion.
Mechanical properties of polyimide as well as polyimide/SiO2 nanocomposites.
FT-IR and X-ray were used to characterize their microstructure and their tensile mechanical properties were evaluated.
The mechanical properties of polyimide as well as polyimide/SiO2 nanocomposites were shown in Table 1.
Mechanical properties of an inorganic particle-reinforced composite depend on many factors, such as intrinsic properties of particles, particle loading level, particle shape, and particle-matrix adhesion.
Mechanical properties of polyimide as well as polyimide/SiO2 nanocomposites.
Online since: September 2008
Authors: Michael A. Capano, Kung Yen Lee, Wen Zhou Chen
The forward
characteristics, an ideality factor and a single barrier height of a SBD, remain the same after CMP,
so that CMP does not affect SBD characteristics.
Introduction Silicon carbide is a promising semiconductor material for high-power, high-temperature, and high-frequency operations because of its superior properties over silicon material.
Chemical-mechanical polishing is applied to smooth surface roughness in this work.
Forward current-voltage measurements are used to determine the ideality factor and Schottky barrier height.
Results and Discussion Ideality factors of different size SBDs, obtained from forward I-V measurements stays between 1.0 and 1.1 in spite of CMP treatment.
Introduction Silicon carbide is a promising semiconductor material for high-power, high-temperature, and high-frequency operations because of its superior properties over silicon material.
Chemical-mechanical polishing is applied to smooth surface roughness in this work.
Forward current-voltage measurements are used to determine the ideality factor and Schottky barrier height.
Results and Discussion Ideality factors of different size SBDs, obtained from forward I-V measurements stays between 1.0 and 1.1 in spite of CMP treatment.
Online since: April 2020
Authors: Yuriy Sharkeev, Alexandr Saprykin, Natalya Saprykina, Egor Ibragimov
Formation of coagulated particles when melting is reported to be an important factor for target mechanical properties of the end product.
Wang and others [15] carried out research into the effect of defects formed by melted particles on mechanical properties of CoCr.
The data show that inclusions of melted particles in an article to be synthesized are extremely important for mechanical properties of products manufactured in SLM.
Focusing precision of a fiber laser and constant output are key factors for quality and accuracy of products ±0.1 mm.
Iuliano, Joining mechanisms and mechanical properties of PA composites obtained by selective laser sintering, Rapid Prototyp. 18 (2012) 100–108
Wang and others [15] carried out research into the effect of defects formed by melted particles on mechanical properties of CoCr.
The data show that inclusions of melted particles in an article to be synthesized are extremely important for mechanical properties of products manufactured in SLM.
Focusing precision of a fiber laser and constant output are key factors for quality and accuracy of products ±0.1 mm.
Iuliano, Joining mechanisms and mechanical properties of PA composites obtained by selective laser sintering, Rapid Prototyp. 18 (2012) 100–108
Online since: March 2010
Authors: Zhong Guo Huang, Hong Lei Dong, Qing Hua Yuan, Shun Yao Jin, Jia Fan, Qun Li
Tests and researches were made on
factors which influence heat treatment properties, such as chemical composition, quenching
temperature, and tempering temperature.
Since the key process for cylinder production is heat treatment and its final properties are dependent on HT process, the thesis takes the newly-developed 30CrMo-M steel as the research subject, analyzes influence factors on HT properties, and offers reference basis for regulating cylinder HT process.
S content does not affect too much steel strength, but sulfide inclusion can reduce the steel's toughness and fatigue properties.
Mechanical properties of experimental steels, quenched at 930℃ for 40 minutes and tempered at 580±10℃ for 90 minutes, are measured.
Mechanical property is macro-reflection to microstructure [8].
Since the key process for cylinder production is heat treatment and its final properties are dependent on HT process, the thesis takes the newly-developed 30CrMo-M steel as the research subject, analyzes influence factors on HT properties, and offers reference basis for regulating cylinder HT process.
S content does not affect too much steel strength, but sulfide inclusion can reduce the steel's toughness and fatigue properties.
Mechanical properties of experimental steels, quenched at 930℃ for 40 minutes and tempered at 580±10℃ for 90 minutes, are measured.
Mechanical property is macro-reflection to microstructure [8].
Online since: May 2004
Authors: Joaquim Barbosa, F. Castro, Delfim Soares, C. Vilarinho, M. Pinho, R. Silva
Citation &
Copyright (to be inserted by the publisher )
Effect of the Bi Content on the Mechanical Properties of a
Sn-Zn-Al-Bi Solder Alloy
D.
This alloy system has several interesting properties for solder applications, namely, the low melting point, similar to the Sn-Pb alloys, and good mechanical properties [2,5].
The reliability of a solder joint is affected by the solder substrate interaction and by the solder mechanical properties [5,6].
The microstructure type and phase chemical composition are important factors to anticipate the solder mechanical behavior in service.
Mechanical properties obtained in the alloys, in the as-cast and homogenized conditions.
This alloy system has several interesting properties for solder applications, namely, the low melting point, similar to the Sn-Pb alloys, and good mechanical properties [2,5].
The reliability of a solder joint is affected by the solder substrate interaction and by the solder mechanical properties [5,6].
The microstructure type and phase chemical composition are important factors to anticipate the solder mechanical behavior in service.
Mechanical properties obtained in the alloys, in the as-cast and homogenized conditions.
Online since: March 2017
Authors: Boudjemaa Agoudjil, Fatiha Mokhtari, Mourad Chikhi
In this article greencomposites based on gypsum reinforced with date palm fibers (DPF) were fabricated and investigated experimentally in terms of thermal and mechanical properties.
Introduction Natural fibers, in general, have been used by several authors in order to improve thermal insulating, mechanical and physical properties of composite materials [1].
The samples were prepared with seven different mass fractions of 0, 1.2, 3, 5, 7, 8 and 10% of date palm fibers, and tested for the mechanical and thermal properties under 14 and 28 days [1].
This can be attributed to many factors such as incompatibility between matrix and fibers, improper manufacturing processes, fiber degradation and orientation.
Thus, experimental data were fitted linearly using (Eq.4): (4) (5) From Fig. 3a, the regression factors (R²) between properties are less than 1.
Introduction Natural fibers, in general, have been used by several authors in order to improve thermal insulating, mechanical and physical properties of composite materials [1].
The samples were prepared with seven different mass fractions of 0, 1.2, 3, 5, 7, 8 and 10% of date palm fibers, and tested for the mechanical and thermal properties under 14 and 28 days [1].
This can be attributed to many factors such as incompatibility between matrix and fibers, improper manufacturing processes, fiber degradation and orientation.
Thus, experimental data were fitted linearly using (Eq.4): (4) (5) From Fig. 3a, the regression factors (R²) between properties are less than 1.
Online since: September 2011
Authors: Quan Sheng Liu, Yong Shui Kang, Jie Yan
Thermodynamic properties of water during phase transition in fractured rock are discussed.
The cycled freezing and thawing (phase transition) of water in rock fractures and soil has long been recognized as an important factor in mechanical weathering.
Unfortunately, the freezing pressure is affected by multiple factors, such as temperature, features of fracture, and physico-mechanical properties of rock.
This paper put efforts to illustrate thermodynamic properties of water during phase transition in rock, and then simulated freezing pressure caused by phase transition of water in crack of rock.
Thermodynamic Properties Rock mass is a typical kind of porous media, where the water is mainly stored in the cracks.
The cycled freezing and thawing (phase transition) of water in rock fractures and soil has long been recognized as an important factor in mechanical weathering.
Unfortunately, the freezing pressure is affected by multiple factors, such as temperature, features of fracture, and physico-mechanical properties of rock.
This paper put efforts to illustrate thermodynamic properties of water during phase transition in rock, and then simulated freezing pressure caused by phase transition of water in crack of rock.
Thermodynamic Properties Rock mass is a typical kind of porous media, where the water is mainly stored in the cracks.
Online since: February 2012
Authors: Xue Jin Shen, Yu Feng Huang, Shuai Lv, Lei Cao
As general mechanical parts, spherical plain bearings have good thermal stability, high dynamic load capacity, long-term life, flexible rotation and maintenance-free (solid lubrication) properties.
There were two important factors including the load and the mean sliding velocity which affected the life of spherical plain bearings, based on the thermal behavior analysis.
The properties of each directional lamina were defined.
The influence factors of system displacement consisted of two parts, radial load and temperature.
Wear status over practice working condition can be gotten by considering the two factors together.
There were two important factors including the load and the mean sliding velocity which affected the life of spherical plain bearings, based on the thermal behavior analysis.
The properties of each directional lamina were defined.
The influence factors of system displacement consisted of two parts, radial load and temperature.
Wear status over practice working condition can be gotten by considering the two factors together.