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Online since: October 2010
Authors: Wen Fang Wu, Yao Hsu, Ching Ming Cheng
The parameters such as chemical/physical materials properties, numbers of conductors and dielectrics layers were extensively studied [1-9].
The area A can be calculated easily by multiplying L, W and a correct factor together.
Besides the bending moment, the moment of inertia is a crucial factor affecting the bending stress.
[3] Maria Teresa Buscaglia, Marta Bassoli, and Vincenzo Buscaglia, in: Solid-State Synthesis of Nanocrystalline BaTiO3: Reaction Kinetics and Powder Properties, 91 [9] 2862–2869 of Journal of the American Ceramic Society (2008)
[7] Renzheng Chen, Xiaohui Wang, Longtu Li, Zhilun Gui, in: Effects of Nb/Co ratio on the dielectric properties of BaTiO3-based X7R ceramics, B99 (2003) 298-301 of Materials Science and Engineering (2003)
The area A can be calculated easily by multiplying L, W and a correct factor together.
Besides the bending moment, the moment of inertia is a crucial factor affecting the bending stress.
[3] Maria Teresa Buscaglia, Marta Bassoli, and Vincenzo Buscaglia, in: Solid-State Synthesis of Nanocrystalline BaTiO3: Reaction Kinetics and Powder Properties, 91 [9] 2862–2869 of Journal of the American Ceramic Society (2008)
[7] Renzheng Chen, Xiaohui Wang, Longtu Li, Zhilun Gui, in: Effects of Nb/Co ratio on the dielectric properties of BaTiO3-based X7R ceramics, B99 (2003) 298-301 of Materials Science and Engineering (2003)
Online since: November 2012
Authors: M. Agus Choiron, Shigeyuki Haruyama, Ken Kaminishi
Moreover, comparing the evaluation results of the relationship between the clamping load and the contact width by using the finite element method (FEM) analysis with the experimental results of the clamping load and the leakage, the contact width which affects the occurrence of leakages on new metal gasket was clarified.
In order to ensure the properties of the material, SUS304 was initially validated by carrying out a tensile test based on JISZ2241 [6].
This condition denotes that surface roughness is an important factor that influences the rate of leakage through seals [10].
In the next study, gasket surface roughness is one of the important factors to be considered during the simulation for determining contact width.
Simulation and Experimentation on the Contact Width of New Metal Gasket for Asbestos Substitution, International Journal of Aerospace and Mechanical Engineering Vol. 5 No.4 (2011) pp.283-287
In order to ensure the properties of the material, SUS304 was initially validated by carrying out a tensile test based on JISZ2241 [6].
This condition denotes that surface roughness is an important factor that influences the rate of leakage through seals [10].
In the next study, gasket surface roughness is one of the important factors to be considered during the simulation for determining contact width.
Simulation and Experimentation on the Contact Width of New Metal Gasket for Asbestos Substitution, International Journal of Aerospace and Mechanical Engineering Vol. 5 No.4 (2011) pp.283-287
Online since: January 2010
Authors: Da Yan Ma, Jian Feng Wang, Ming Liu, Ke Wei Xu
However, the appearance of
stress in interconnects has a large effect on manufacturing reliability and device properties.
Paik et al [5] observed an increasing stress with the increase of line dimensions in damascene Cu, which was in contrary to etched Al interconnects [6], and attributed this phenomenon to the larger grain size induced high growth stress after chemical-mechanical polishing process.
As a matter of fact, many factors can affect stress evaluation in thin film and interconnects, among which the size effect is claimed one of the most important phenomenon.
The thermo-mechanical properties of the tested materials used for calculation are summarized in Table 2 [5, 14].
Material properties used in this study Fig. 5.
Paik et al [5] observed an increasing stress with the increase of line dimensions in damascene Cu, which was in contrary to etched Al interconnects [6], and attributed this phenomenon to the larger grain size induced high growth stress after chemical-mechanical polishing process.
As a matter of fact, many factors can affect stress evaluation in thin film and interconnects, among which the size effect is claimed one of the most important phenomenon.
The thermo-mechanical properties of the tested materials used for calculation are summarized in Table 2 [5, 14].
Material properties used in this study Fig. 5.
Online since: August 2013
Authors: Jun Min Shen, Xiao Bin Zhu, Zhang Xiao
It will gradually crack under traffic load and atmospheric factors, form longitudinal seams.
Using high strength clay, broken bricks, gravel and other water permeability material, or 8% low dose of lime-soil-replacement under different circumstances, in order to improve the subgrade soil compression performance and shear properties, reducing the settlement and improving the base carrying capacity.
Haul trucks should be avoided rolling directly on paved and positioned geogrid to avoid destroying the geogrid, thus affecting the quality of the construction.
If the thickness is less than 8cm, mechanical paving and compaction in conjunction with the grassroots, avoid the thin layer subsidizing phenomenon.
It not only affects road appearance, but also affects the quality of road and shortens its life, close attention should be paid.
Using high strength clay, broken bricks, gravel and other water permeability material, or 8% low dose of lime-soil-replacement under different circumstances, in order to improve the subgrade soil compression performance and shear properties, reducing the settlement and improving the base carrying capacity.
Haul trucks should be avoided rolling directly on paved and positioned geogrid to avoid destroying the geogrid, thus affecting the quality of the construction.
If the thickness is less than 8cm, mechanical paving and compaction in conjunction with the grassroots, avoid the thin layer subsidizing phenomenon.
It not only affects road appearance, but also affects the quality of road and shortens its life, close attention should be paid.
Online since: April 2016
Authors: Hong Wei Liu, Yang Song, Shu Hui Huang, Xi Wu Li, Hong Wei Yan, Bai Qing Xiong, Zhi Hui Li, Yong An Zhang
The samples for metallographic observation [12] were prepared through a conventional mechanical polishing and followed by etching with Graff Seagent solution (1mL HF, 16mL HNO3, 3g CrO3 and 83mL water).
Thin foils for TEM were prepared by mechanical polishing to 60 μm and final twin-jet electro polishing in the solution of 25% HNO3+ 75% CH3OH (volume fraction) at -25 °C.
Fig. 1 Schematic diagram of tear test specimen Results Fracture toughness & mechanical property.
The microstructure of alloy obviously affects the fracture toughness [17-18, 20].
The fracture mode is dependent on the competition of the intergranular and transgranular fracture, which is controlled by two factors [7, 12]: one is the area fraction of the grain boundary precipitates, and the other is the strength difference between the matrix and grain boundary.
Thin foils for TEM were prepared by mechanical polishing to 60 μm and final twin-jet electro polishing in the solution of 25% HNO3+ 75% CH3OH (volume fraction) at -25 °C.
Fig. 1 Schematic diagram of tear test specimen Results Fracture toughness & mechanical property.
The microstructure of alloy obviously affects the fracture toughness [17-18, 20].
The fracture mode is dependent on the competition of the intergranular and transgranular fracture, which is controlled by two factors [7, 12]: one is the area fraction of the grain boundary precipitates, and the other is the strength difference between the matrix and grain boundary.
Online since: January 2022
Authors: Shu Lan Zhang, Chang Wang, Xiao Dan Zhang, Hai Feng Xu
Introduction
Duplex structure or heterogeneous structure material has been becoming the hot research topic because of its excellent mechanical properties [1-5].
The results proved that the ultrafine grain size and large fraction of austenite could contribute to the significantly enhanced mechanical properties.
In order to investigate the relationship between microstructure properties and macroscopic material properties, the microstructure properties should be characterized in detail.
The block and packet size is strength and hardness controlling factors [22-23].
Enhanced work-hardening behavior and mechanical properties in ultrafine-grained steels with large-fractioned metastable austenite.
The results proved that the ultrafine grain size and large fraction of austenite could contribute to the significantly enhanced mechanical properties.
In order to investigate the relationship between microstructure properties and macroscopic material properties, the microstructure properties should be characterized in detail.
The block and packet size is strength and hardness controlling factors [22-23].
Enhanced work-hardening behavior and mechanical properties in ultrafine-grained steels with large-fractioned metastable austenite.
Online since: October 2024
Authors: Alan Lindsay Greer, Witold K. Krajewski, Ewa Olejnik, Jiří Orava, Paweł K. Krajewski, Beata Gracz, Magdalena Kawalec, Grzegorz Piwowarski
The group of AlZn-based alloys with Zn content increased to 30‒50 at% has a special combination of properties that allows them to be used for shaped castings with good damping and tribological properties [2-7].
However, their wider application in practice requires the improvement of rather poor mechanical properties, e.g. ductility, strength and abrasion resistance.
Savaskan, Mechanical and tribological properties of Al–40Zn–Cu alloys, Tribol.
Krajewski, Trends in developments of high-aluminium zinc alloys of stable structure and properties, Arch.
Haberl, New developments on optimizing properties of high-Zn aluminium cast alloys, IOP Conf.
However, their wider application in practice requires the improvement of rather poor mechanical properties, e.g. ductility, strength and abrasion resistance.
Savaskan, Mechanical and tribological properties of Al–40Zn–Cu alloys, Tribol.
Krajewski, Trends in developments of high-aluminium zinc alloys of stable structure and properties, Arch.
Haberl, New developments on optimizing properties of high-Zn aluminium cast alloys, IOP Conf.
Online since: September 2023
Authors: Ruben Cuamatzi-Melendez
The ductile damage model parameters of the damage model described above have to be calibrated in order to be considered true material properties of the material under analysis.
The cell properties, , of both CA arrays were used to store the material information of interest throughout the analysis.
And the mechanical properties of the plate steel, in the rolling direction, are described in Table 2.
Mechanical properties of the plate steel
Based on above observations, it is suggested that the material parameter D, controls the load needed for fracture propagation and consequently crack arrest properties of the steel.
The cell properties, , of both CA arrays were used to store the material information of interest throughout the analysis.
And the mechanical properties of the plate steel, in the rolling direction, are described in Table 2.
Mechanical properties of the plate steel
Based on above observations, it is suggested that the material parameter D, controls the load needed for fracture propagation and consequently crack arrest properties of the steel.
Online since: March 2005
Authors: J.M. Riveiro, S.E. Paje, F. Teran, J. Llopis, M.A. García, L. Saviot, M.C. Marco de Lucas
OPTICAL PROPERTIES OF SPUTTERED SILVER GRANULAR FILMS
S.E.
These exhibit interesting optical properties as a strong visible light by exciting electronic surface plasma dipolar oscillations, or a high non-linear optical susceptibility.
In this work we will study the size and shape distribution of sputtered silver islands in discontinuous films as a function of substrate and sputtering conditions, and the correlation with their optical properties. 2.
The deposition periods were controlled using a mechanical shutter governed with a computer.
The coalescence also affects the optical properties significantly as will be analized in the next section.
These exhibit interesting optical properties as a strong visible light by exciting electronic surface plasma dipolar oscillations, or a high non-linear optical susceptibility.
In this work we will study the size and shape distribution of sputtered silver islands in discontinuous films as a function of substrate and sputtering conditions, and the correlation with their optical properties. 2.
The deposition periods were controlled using a mechanical shutter governed with a computer.
The coalescence also affects the optical properties significantly as will be analized in the next section.
Online since: March 2016
Authors: Run Sen Jiang, Gang Xu, Zong De Liu, Yong Tian Wang, Jin Tang
Microstructure and Properties of Fe-based Amorphous Composite
Coating Prepared by Pulse Laser
Runsen Jianga, Yongtian Wangb*, Jin Tangc Gang Xud and Zongde Liue
Key Laboratory of Condition Monitoring and Control for Power Plant Equipment of Ministry of Education, North China Electric Power University, Beijing, 102206, China.
A lot of work has been made to fabricate the Fe-based amorphous coatings by arc spraying, and the most of coatings show excellent properties.
Fe-based amorphous coatings: Structures and properties, J.
Study on nanocrystallization and amorphous in Fe-Cr-Mo-B-P-Si-C system during mechanical alloying, J.
Microstructure characterization and wear properties of Fe-based amorphous-crystalline coating deposited by twin wire arc spraying, J.
A lot of work has been made to fabricate the Fe-based amorphous coatings by arc spraying, and the most of coatings show excellent properties.
Fe-based amorphous coatings: Structures and properties, J.
Study on nanocrystallization and amorphous in Fe-Cr-Mo-B-P-Si-C system during mechanical alloying, J.
Microstructure characterization and wear properties of Fe-based amorphous-crystalline coating deposited by twin wire arc spraying, J.