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Online since: February 2007
Authors: Jin Gou Ji, Jun Guo Ran, Li Gou, Fang Hu Wang, Lu Wei Sun
The results indicate that plasma sintered porous BCP bioceramics have better mechanical
properties and may also have better biological properties.
Maintenance of porous structure may be one of the affecting factors in ceramic-induced osteogenesis [5].
If the sintering parameters are optimized, the mechanical properties can increase with increasing sintered densities.
The results indicate that plasma sintered porous BCP bioceramics have better mechanical properties and may also have better biological properties.
The surface of samples that underwent a simulated inflammation procedure is smoother and the amount of bone-like apatite formed on them is less than that formed on samples immersed in normal SBF all the time, which may indicate that the light acid in an inflammation response would be one of the factors affecting the bone reconstruction when Ca-P bioceramics implanted in living body.
Maintenance of porous structure may be one of the affecting factors in ceramic-induced osteogenesis [5].
If the sintering parameters are optimized, the mechanical properties can increase with increasing sintered densities.
The results indicate that plasma sintered porous BCP bioceramics have better mechanical properties and may also have better biological properties.
The surface of samples that underwent a simulated inflammation procedure is smoother and the amount of bone-like apatite formed on them is less than that formed on samples immersed in normal SBF all the time, which may indicate that the light acid in an inflammation response would be one of the factors affecting the bone reconstruction when Ca-P bioceramics implanted in living body.
Online since: August 2016
Authors: Yan Ping Yuan, Ying Wang, Ji Min Chen
As we know the mechanical properties of bone depend on numerous factors and the properties vary in a wide range [13].
And FEA models can predict the mechanical properties of porous Ti6Al4V produced using selective laser melting.
The modulus and strength are decreased with increasing porosity, but the specimen e 0.4-0.7and f 0.3-0.5 are the contrary, the factors need further study.
Zadpoor, Mechanical properties of open-cell metallic biomaterials manufactured using additive manufacturing, Mater.
Zadpoor, Mechanical properties of open-cell metallic biomaterials manufactured using additive manufacturing, Mater.
And FEA models can predict the mechanical properties of porous Ti6Al4V produced using selective laser melting.
The modulus and strength are decreased with increasing porosity, but the specimen e 0.4-0.7and f 0.3-0.5 are the contrary, the factors need further study.
Zadpoor, Mechanical properties of open-cell metallic biomaterials manufactured using additive manufacturing, Mater.
Zadpoor, Mechanical properties of open-cell metallic biomaterials manufactured using additive manufacturing, Mater.
Online since: February 2015
Authors: Isabela Imakawa de Araújo, Cristiane Inácio de Campos, Bruno Santos Ferreira, Fernanda Christiane Rossetto Dinhane, Ivaldo de Domenico Valarelli, Marcus Antonio Pereira Bueno
The authors concluded that the proportion of 25% of coffee husk presented satisfactory results for physical and mechanical properties, and the increase in the percentage of adhesive had a direct influence on their performance.
The particleboards production with coffee husk and the results indicated that the addition of up to 50% of the husk provides satisfactory results of physical and mechanical properties [10].
Rowel.Characterization and factors affecting fiber properties.
Hossain.Physical and mechanical properties of urea formaldehyde-bonded particleboard made from bamboo waste.
Physical and mechanical properties of particleboard bamboo waste bonded with urea formaldehyde and castor oil based adhesive.
The particleboards production with coffee husk and the results indicated that the addition of up to 50% of the husk provides satisfactory results of physical and mechanical properties [10].
Rowel.Characterization and factors affecting fiber properties.
Hossain.Physical and mechanical properties of urea formaldehyde-bonded particleboard made from bamboo waste.
Physical and mechanical properties of particleboard bamboo waste bonded with urea formaldehyde and castor oil based adhesive.
Online since: March 2015
Authors: Ke Li, Long Bo Luo, Jie Yang Huang, Jing Yao, Yan Feng, Xiang Yang Liu, Hui Na Wang
Mechanical Properties.
The mechanical properties of the PBIA fibers were significantly enhanced during the annealing treatment.
Orientation is an important parameter to determine the mechanical properties of fibers.
The enhanced mechanical properties are usually linked to a higher degree of orientation.
Looi, Effects of heat treatment on the mechanical properties of Kevlar-29 fibre, Compos.
The mechanical properties of the PBIA fibers were significantly enhanced during the annealing treatment.
Orientation is an important parameter to determine the mechanical properties of fibers.
The enhanced mechanical properties are usually linked to a higher degree of orientation.
Looi, Effects of heat treatment on the mechanical properties of Kevlar-29 fibre, Compos.
Online since: November 2012
Authors: Mustapha Benachour, Fatima Zohra Seriari, Nadjia Benachour, Mohamed Benguediab
In study conducted by Ong and Shen [7], various factors affecting the repair of 2.5 mm thick 2024-T3 aluminium plates have been investigated, especially patch materials.
Mechanical properties of this material in two orientations are presented in Table 1.
Mechanical properties of composite patch (Graphite/Epoxy) are presented in Table 2 and adhesive film used for patching is FM-73 where shear’s modulus is Gxy= 413.68 MPa and thickness t=0.15 mm.
Table 1: Mechanical properties of 7050 T7451 Al-alloy Orientation specimen (MPa) (GPa) () () L-T 455.06 71.70 34.06 68.13 0.33 T-L 448.16 71.70 27.47 54.94 Table 2: Mechanical properties Graphite/Epoxy (GPa) (GPa) 172.37 10.342 4.826 0.3 The stress intensity factor “DK” for Single Edge Notch Tensile specimen with semi circular edge notch “SENT” has been developed by Newman [18] and implemented in AFGROW code.
Results shown that threshold stress intensity factor was affected by R-ratio.
Mechanical properties of this material in two orientations are presented in Table 1.
Mechanical properties of composite patch (Graphite/Epoxy) are presented in Table 2 and adhesive film used for patching is FM-73 where shear’s modulus is Gxy= 413.68 MPa and thickness t=0.15 mm.
Table 1: Mechanical properties of 7050 T7451 Al-alloy Orientation specimen (MPa) (GPa) () () L-T 455.06 71.70 34.06 68.13 0.33 T-L 448.16 71.70 27.47 54.94 Table 2: Mechanical properties Graphite/Epoxy (GPa) (GPa) 172.37 10.342 4.826 0.3 The stress intensity factor “DK” for Single Edge Notch Tensile specimen with semi circular edge notch “SENT” has been developed by Newman [18] and implemented in AFGROW code.
Results shown that threshold stress intensity factor was affected by R-ratio.
Online since: February 2011
Authors: Yang Ju, Lan Zhang, Atsushi Hosoi, Akifumi Fujimoto
Enhancement of Sensitivity for the Evaluation of Electrical Properties by Modifying the Nano Structure of Microwave AFM Probe
Lan Zhang1,a, Yang Ju1,b, Atsushi Hosoi1,c and Akifumi Fujimoto1,d
1Department of Mechanical Science and Engineering, Nagoya University
Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
azhang.lan@d.mbox.nagoya-u.ac.jp, bju@mech.nagoya-u.ac.jp,
chosoi@mech.nagoya-u.ac.jp, dfujimoto.akifumi@c.mbox.nagoya-u.ac.jp
Keywords: Nanotechnology, Microwave, Atomic force microscope, Electrical properties.
Abstract: To confirm the sensitivity in the measurement of electrical properties affected by the nano structure of microwave AFM (M-AFM) probe, three kinds of M-AFM probe with a nano-slit on its tip in different width (75 nm, 120 nm and 160 nm) were investigated.
In previous research, for obtaining the optimal design of M-AFM probe, many influencing factors have been studied [2-4].
By analyzing the reflected microwave signal, the electrical properties of different materials can be obtained.
It is noted that such difference can be corrected by calibration, therefore it will not affect the evaluation of electrical properties of materials.
Abstract: To confirm the sensitivity in the measurement of electrical properties affected by the nano structure of microwave AFM (M-AFM) probe, three kinds of M-AFM probe with a nano-slit on its tip in different width (75 nm, 120 nm and 160 nm) were investigated.
In previous research, for obtaining the optimal design of M-AFM probe, many influencing factors have been studied [2-4].
By analyzing the reflected microwave signal, the electrical properties of different materials can be obtained.
It is noted that such difference can be corrected by calibration, therefore it will not affect the evaluation of electrical properties of materials.
Online since: January 2013
Authors: Necar Merah, Aziz Bazoune, Zafarullah Khan
Abstract The effects of natural and artificial weathering on mechanical properties of Chlorinated Polyvinyl Chloride (CPVC) pipe material are investigated.
Furthermore, the presence of oxygen and humidity induces changes in its mechanical properties.
The mechanisms responsible for the degradation of the mechanical and physical properties of CPVC are reported in this study.
Effect of Artificial Weathering on Mechanical Properties Table 2 illustrates the average values of the tensile properties of CPVC pipe material for different accelerated artificial exposure to UV radiation in the conditions specified above.
Alawi, "Weathering Effects on Some Mechanical Properties of Polyvinyl Chloride Pipes", Journal of Test. and Eval., Vol. 18, 45-52, 1990
Furthermore, the presence of oxygen and humidity induces changes in its mechanical properties.
The mechanisms responsible for the degradation of the mechanical and physical properties of CPVC are reported in this study.
Effect of Artificial Weathering on Mechanical Properties Table 2 illustrates the average values of the tensile properties of CPVC pipe material for different accelerated artificial exposure to UV radiation in the conditions specified above.
Alawi, "Weathering Effects on Some Mechanical Properties of Polyvinyl Chloride Pipes", Journal of Test. and Eval., Vol. 18, 45-52, 1990
Online since: July 2015
Authors: Xing Pin Chen, Meng Liu, Hong Fu Sun, Xuan Zheng, Xiao Guang Li
Soft Ag can’t provide enough mechanical properties to tapes [2,3].
However, there are still few reports about that how Ni sheath affects the mechanical property and processability specifically.
Mono-filament Bi-2223/Ag tapes were also prepared as comparing samples for mechanical properties and texture tests.
Before measuring mechanical properties, samples were annealed at 840°C for 10 h in air to remove machining stress.
Volume fraction and microstructure are essential factors that influence the eventual transport properties [10,11,12,13,14,15,16].
However, there are still few reports about that how Ni sheath affects the mechanical property and processability specifically.
Mono-filament Bi-2223/Ag tapes were also prepared as comparing samples for mechanical properties and texture tests.
Before measuring mechanical properties, samples were annealed at 840°C for 10 h in air to remove machining stress.
Volume fraction and microstructure are essential factors that influence the eventual transport properties [10,11,12,13,14,15,16].
Online since: March 2007
Authors: Ilana B. Timokhina, Peter Hodgson, Elena V. Pereloma
Both steels exhibited a good combination of mechanical properties (Table 2).
Mechanical Properties of steels.
The study of mechanical properties showed an increase in the UTS of ~150 MPa and YS of ~ 300 MPA.
One of the major factors responsible for the retained austenite stability is the higher carbon content.
Conclusions Both IA and TMP steels after PS/BH treatment demonstrated an improvement in mechanical properties.
Mechanical Properties of steels.
The study of mechanical properties showed an increase in the UTS of ~150 MPa and YS of ~ 300 MPA.
One of the major factors responsible for the retained austenite stability is the higher carbon content.
Conclusions Both IA and TMP steels after PS/BH treatment demonstrated an improvement in mechanical properties.
Online since: December 2006
Authors: Chang Ho Lee, Ik Min Park, Yong Ho Park, Wang Kee Min, Sung Doo Hwang, Young Do Park
Influence of Thermo-mechanical Heat Treatment on the Thermoelectric
Properties of Ag added Bi1Sb3Te6 Compounds
W.K.
A highly anisotropic hexagonal crystal structure which has weak van der walls bonding along the c-axis is the reason of low mechanical properties - especially the brittleness caused by cleavage fracture.
Therefore, it is need to find the process which can produce fine grained and highly oriented structure without loss of mechanical properties.
Therefore, it is proposed that Ag added Bi1Sb3Te6 thermoelectric materials produced by hot-extrusion may provide improved thermoelectric performance without loss of mechanical properties.
The intensity change of (110) plane which is perpendicular to the basal plane could affect the thermoelectric properties.
A highly anisotropic hexagonal crystal structure which has weak van der walls bonding along the c-axis is the reason of low mechanical properties - especially the brittleness caused by cleavage fracture.
Therefore, it is need to find the process which can produce fine grained and highly oriented structure without loss of mechanical properties.
Therefore, it is proposed that Ag added Bi1Sb3Te6 thermoelectric materials produced by hot-extrusion may provide improved thermoelectric performance without loss of mechanical properties.
The intensity change of (110) plane which is perpendicular to the basal plane could affect the thermoelectric properties.