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Online since: June 2014
Authors: Tatsuo Sato, Seong Nyeong Kim, Equo Kobayashi
Introduction
Age-hardenable Al-Mg-Si alloys have attractive properties such as good formability and high corrosion resistance.
The Al-Mg-Si alloys are well known to be hardened during a paint baking process at around 170 °C for 1.2 ks in the automobile manufacturing process, resulting in the improved mechanical strength.
This is the natural aging and results in the positive or negative effect on the bake-hardening(BH) response[2,3].The complicated changes of the nano or micro scale structures in the matrix such as nanoclusters or GP zones during natural aging markedly affect the BH response[4].
Based on these results, it is clarified that the Mg/Si ratio of the alloy composition is a significantly important factor in the nanocluster formation.
The electrical resistivity is strongly affected by the amount of solute atoms in the matrix due to the nanocluster formation [14].
The Al-Mg-Si alloys are well known to be hardened during a paint baking process at around 170 °C for 1.2 ks in the automobile manufacturing process, resulting in the improved mechanical strength.
This is the natural aging and results in the positive or negative effect on the bake-hardening(BH) response[2,3].The complicated changes of the nano or micro scale structures in the matrix such as nanoclusters or GP zones during natural aging markedly affect the BH response[4].
Based on these results, it is clarified that the Mg/Si ratio of the alloy composition is a significantly important factor in the nanocluster formation.
The electrical resistivity is strongly affected by the amount of solute atoms in the matrix due to the nanocluster formation [14].
Online since: May 2019
Authors: Long Zhao, Ji Fu Du, Zhen Dong, Xin Yang
Meanwhile, a higher absorbed dose can result in the HDPE particle decomposition, affecting their mechanical properties.
The degree of non-linearity between the dissolved ions concentrations and the adsorption was tended to from the heterogeneity factor (1/n).
The degree of non-linearity between the dissolved ions concentrations and the adsorption was tended to from the heterogeneity factor (1/n).
Online since: November 2018
Authors: Kasif Teker, Faruk Ahmeti
Combination of small size and high Q factor empowers these devices with excellent detection capability [4, 5].
Modeling nanoparticles by a layer around the ring, running the simulation, and then changing its thickness with the corresponding refraction index of the particles will affect the resonance response compared to the resonator without the layer.
The distance between the ring and straight waveguides, where the coupling effect takes place, has been optimized as 1.20 µm based on the Lorentzian line intensity, iii) Material properties have been specified such that refraction index for the core and cladding part of the resonator fiber was set to be 2.5 and 1.5, respectively, iv) Extremely fine-size triangular mesh has been chosen to perform a detailed computing through finite element method, v) The simulations have been run sequentially to determine the optimum ring size (ring radius ranging from 83.00 µm to 83.01 µm with constant RI), titanium dioxide nanoparticles (ranging from 10 nm to 100 nm with effective RI) , and protein molecules (ranging from 10 nm to 100 nm with effective RI) using Yamaguchi model approximation for effective refractive index calculations, and vi) The simulation results have been processed by Matlab software tool to create the corresponding graphs.
The impact can be seen more clearly from the following expression, ∆λrλr=ΔRR+Δneffneff (2) Increasing the radius of the ring leads to a red shift in the position of the affected resonance wavelength.
It is also worth mentioning that the challenges for reliable optical micro-resonator sensors exist including i) the sensitivity of resonance frequency to temperature and refractive index fluctuations, ii) control of the distance between the resonator and the straight waveguide, and iii) fabrication of integrated chip-scale devices with excellent mechanical stability.
Modeling nanoparticles by a layer around the ring, running the simulation, and then changing its thickness with the corresponding refraction index of the particles will affect the resonance response compared to the resonator without the layer.
The distance between the ring and straight waveguides, where the coupling effect takes place, has been optimized as 1.20 µm based on the Lorentzian line intensity, iii) Material properties have been specified such that refraction index for the core and cladding part of the resonator fiber was set to be 2.5 and 1.5, respectively, iv) Extremely fine-size triangular mesh has been chosen to perform a detailed computing through finite element method, v) The simulations have been run sequentially to determine the optimum ring size (ring radius ranging from 83.00 µm to 83.01 µm with constant RI), titanium dioxide nanoparticles (ranging from 10 nm to 100 nm with effective RI) , and protein molecules (ranging from 10 nm to 100 nm with effective RI) using Yamaguchi model approximation for effective refractive index calculations, and vi) The simulation results have been processed by Matlab software tool to create the corresponding graphs.
The impact can be seen more clearly from the following expression, ∆λrλr=ΔRR+Δneffneff (2) Increasing the radius of the ring leads to a red shift in the position of the affected resonance wavelength.
It is also worth mentioning that the challenges for reliable optical micro-resonator sensors exist including i) the sensitivity of resonance frequency to temperature and refractive index fluctuations, ii) control of the distance between the resonator and the straight waveguide, and iii) fabrication of integrated chip-scale devices with excellent mechanical stability.
Online since: October 2023
Authors: Sheam Bahjat Abdulkareem
Water's physical and chemical properties, as well as its capacity for self-purification, degradation, migration, and transformation, can be affected by the presence of organic matter. [7, 8, 9]
1-2- Resources of organic wastewater
Organic pollutants, which make up the majority of contaminants in wastewater, are just one type.
The above-mentioned carcinogenic, teratogenic, and neurotoxic properties of many POPs, which are lipid soluble, are present.
Studying the main factors influencing this oxidation, such as the doses of H2O2 and Fe2+ and the dosing strategy of H2O2 at a pH value of about 3, helped treat this water by oxidizing it with Fenton Fe2+ H2O2.
The properties of the influent, the technique we used, the effluent's qualities, and the time spent treating them all, etc. all have an impact on the overall cost.
[13] Van den Berg M., Birnbaum L, Bosveld ATC.Toxic Equivalency Factors (TEFs) for PCBs, PCDDs, PCDFs for Humans and Wildlife.Environ.
The above-mentioned carcinogenic, teratogenic, and neurotoxic properties of many POPs, which are lipid soluble, are present.
Studying the main factors influencing this oxidation, such as the doses of H2O2 and Fe2+ and the dosing strategy of H2O2 at a pH value of about 3, helped treat this water by oxidizing it with Fenton Fe2+ H2O2.
The properties of the influent, the technique we used, the effluent's qualities, and the time spent treating them all, etc. all have an impact on the overall cost.
[13] Van den Berg M., Birnbaum L, Bosveld ATC.Toxic Equivalency Factors (TEFs) for PCBs, PCDDs, PCDFs for Humans and Wildlife.Environ.
Online since: August 2023
Authors: Sara Sabri, Rachid Malek, Khalil Kassmi
In a mechanical stack, the junctions are fabricated separately.
These factors are aimed at minimizing losses using various techniques.
It is favored for its good quality, carrier transport properties, thermal expansion, and compatibility with different semiconductor materials in terms of lattice constant [9].
But, it is more difficult to adjust the voltages, because the voltages are intrinsic properties of the material.
Adachi, Properties of semiconductor alloys: group-IV, III-V and II-VI semiconductors.
These factors are aimed at minimizing losses using various techniques.
It is favored for its good quality, carrier transport properties, thermal expansion, and compatibility with different semiconductor materials in terms of lattice constant [9].
But, it is more difficult to adjust the voltages, because the voltages are intrinsic properties of the material.
Adachi, Properties of semiconductor alloys: group-IV, III-V and II-VI semiconductors.
Online since: June 2012
Authors: Yao Ying Huang, Li Xin Qu, Yi Hong Zhou, Guo Qing Tang, Shao Wu Zhou
The so-called equivalent means under the influence of external factors, its mechanical property using equivalent surface heat transfer coefficient method and that under actual insulation are consistent[2].
The equivalent surface heat transfer coefficient is not a constant value, which is because the heat flux is affected by complex factors such as ambient temperature, wind speed, etc, and then the coefficient calculated by it is still changing over time.
The equivalent surface heat transfer coefficient is not a constant value, which is because the heat flux is affected by complex factors such as ambient temperature, wind speed, etc, and then the coefficient calculated by it is still changing over time.
Online since: December 2008
Authors: Jeremie Compan, Keisuke Niwase, Takeshi Hirai
Introduction
Carbon-based materials (CBMs) are favourable for the plasma facing materials in fusion
devices because of the low atomic number, favorable thermo-mechanical properties and the absence
of melting.
(b) 0 2 4 6 8 10 12 Analysed line (a) Position (mm) 9.6 GW/m2, 5 ms A B C D E H F G 9.6 GW/m2, 5 ms Loaded / heat affected area Vicinity Surrounding area Surrounding area Vicinity Rear side ≈≈≈≈ Original grade 0 0.4 0.8 1.2 1.6 2 0 2 4 6 8 10 12 0 2 4 6 8 10 12 1.6 1.2 0.8 0.4 0 Position (mm) 2 ID / IG (b) 0 2 4 6 8 10 12 Analysed line (a) Position (mm) 9.6 GW/m2, 5 ms A B C D E H F G 9.6 GW/m2, 5 ms Loaded / heat affected area Vicinity Surrounding area Surrounding area Vicinity Rear side ≈≈≈≈ Original grade 0 0.4 0.8 1.2 1.6 2 0 2 4 6 8 10 12 0 2 4 6 8 10 12 1.6 1.2 0.8 0.4 0 Position (mm) 2 ID / IG dipoles which was detected at the graphite surface exposed to the edge plasma in the TEXTOR tokamak [8].
(1) where λL stands for the wavelength of the laser, C(λL) for the wavelength-dependent pre-factor that can be written as C(λL) ~ C0 + λL.C1, with C0 = -12.6 nm and C1 = 0.033, being valid for 400 nm < λL < 700 nm [11].
(b) 0 2 4 6 8 10 12 Analysed line (a) Position (mm) 9.6 GW/m2, 5 ms A B C D E H F G 9.6 GW/m2, 5 ms Loaded / heat affected area Vicinity Surrounding area Surrounding area Vicinity Rear side ≈≈≈≈ Original grade 0 0.4 0.8 1.2 1.6 2 0 2 4 6 8 10 12 0 2 4 6 8 10 12 1.6 1.2 0.8 0.4 0 Position (mm) 2 ID / IG (b) 0 2 4 6 8 10 12 Analysed line (a) Position (mm) 9.6 GW/m2, 5 ms A B C D E H F G 9.6 GW/m2, 5 ms Loaded / heat affected area Vicinity Surrounding area Surrounding area Vicinity Rear side ≈≈≈≈ Original grade 0 0.4 0.8 1.2 1.6 2 0 2 4 6 8 10 12 0 2 4 6 8 10 12 1.6 1.2 0.8 0.4 0 Position (mm) 2 ID / IG dipoles which was detected at the graphite surface exposed to the edge plasma in the TEXTOR tokamak [8].
(1) where λL stands for the wavelength of the laser, C(λL) for the wavelength-dependent pre-factor that can be written as C(λL) ~ C0 + λL.C1, with C0 = -12.6 nm and C1 = 0.033, being valid for 400 nm < λL < 700 nm [11].
Online since: November 2012
Authors: Kiyoshi Koyano, Ikiru Atsuta, Yasunori Ayukawa, Akihiro Furuhashi, Yunia Dwi Rakhmatia, Noriyuki Yasunami
However, from the viewpoint of soft tissue integration, it remains to be elucidated whether or not surface topography affects the soft tissue attachment around implants.
Under systemic anesthesia at 4 weeks after implantation, cotton ball was immersed in HRP dissolved in isotonic saline (50 mg/ml), and then laid on the gingival margin around the implant body without imposing any mechanical stress.
In addition, surface topography is reported to affect the collagen fiber orientation in the connective tissue.
Considering previous reports and our results, we can speculate that soft tissue cell response to titanium surface itself is not the dominant factor for sealing capability against foreign body invasion around dental implant.
Conclusions From the viewpoint of the prevention of foreign substance invasion, soft tissue around Rs implants showed stronger barrier property than that around Ms implants.
Under systemic anesthesia at 4 weeks after implantation, cotton ball was immersed in HRP dissolved in isotonic saline (50 mg/ml), and then laid on the gingival margin around the implant body without imposing any mechanical stress.
In addition, surface topography is reported to affect the collagen fiber orientation in the connective tissue.
Considering previous reports and our results, we can speculate that soft tissue cell response to titanium surface itself is not the dominant factor for sealing capability against foreign body invasion around dental implant.
Conclusions From the viewpoint of the prevention of foreign substance invasion, soft tissue around Rs implants showed stronger barrier property than that around Ms implants.
Online since: August 2018
Authors: Wei Pan, Zi Yuan Wang, Min Wang, Ya Jie Yuan
It interacts with many inorganic materials, and shows unusual colloidal and complexing properties [14].
The PVP has shown a good colloidal and complexing properties with the aluminum sol to change the viscosity and the wettabilityof the Al2O3sol.
And the wetting properties of the Al2O3 sol are also need further study.
Pan, "Properties of Yttria-Stabilized-Zirconia Based Ceramic Composite Abradable Coatings," Key Engineering Materials, 512-515 (2012) 1551-54
Vaßen, "Ceramic top coats of plasma-sprayed thermal barrier coatings: materials, processes, and properties," Journal of Thermal Spray Technology, 26[6] (2017) 992-1010
The PVP has shown a good colloidal and complexing properties with the aluminum sol to change the viscosity and the wettabilityof the Al2O3sol.
And the wetting properties of the Al2O3 sol are also need further study.
Pan, "Properties of Yttria-Stabilized-Zirconia Based Ceramic Composite Abradable Coatings," Key Engineering Materials, 512-515 (2012) 1551-54
Vaßen, "Ceramic top coats of plasma-sprayed thermal barrier coatings: materials, processes, and properties," Journal of Thermal Spray Technology, 26[6] (2017) 992-1010
Online since: October 2006
Authors: Hiroyuki Fujimoto, Hiroshi Hata, Hiroki Kamijo, Ken Nagashima, Kazuya Ikeda, Masataka Iwakuma, Kazuo Funaki, Hisao Yamada, Akira Tomioka, Ken Etsu Uwamori, Yasutaka Sanuki, Shigeru Yoshida
Electronics and communication systems operated on a daily
basis are important factors in the provision of a safe and reliable transport system.
For future HTS transformers with the advantageous properties, a goup of Kyushu Univ. designed and developed a 500 kVA-800 kVA HTS transformer test device cooled by liquid nitrogen-subcooled liquid nitrogen, [23], where the windings are parallel conductors of Bi-2223 tapes with transposition.
For practical applications, Ag-sheathed (Bi,Pb)2Sr2Ca2Cu3OX (Bi2223) superconducting wires with multi filamentary structure made by the Powder-In-Tube (PIT) process have made much progress, and Jc, Je, Ic, length, homogeneity, mechanical properties, sheath properties, AC loss at liquid nitrogen (77K), mass production technology and cost have been improved remarkably for applications.
Recently, the controlled over pressure sintering process has been developed [28] to improve superconducting and mechanical properties by reducing cracks formed by rolling and increasing mass density.
It is impossible to obtain a total loss value by adding together the loss for each winding because the magnetic field imposed on the winding from other windings has a significant affects on the loss.
For future HTS transformers with the advantageous properties, a goup of Kyushu Univ. designed and developed a 500 kVA-800 kVA HTS transformer test device cooled by liquid nitrogen-subcooled liquid nitrogen, [23], where the windings are parallel conductors of Bi-2223 tapes with transposition.
For practical applications, Ag-sheathed (Bi,Pb)2Sr2Ca2Cu3OX (Bi2223) superconducting wires with multi filamentary structure made by the Powder-In-Tube (PIT) process have made much progress, and Jc, Je, Ic, length, homogeneity, mechanical properties, sheath properties, AC loss at liquid nitrogen (77K), mass production technology and cost have been improved remarkably for applications.
Recently, the controlled over pressure sintering process has been developed [28] to improve superconducting and mechanical properties by reducing cracks formed by rolling and increasing mass density.
It is impossible to obtain a total loss value by adding together the loss for each winding because the magnetic field imposed on the winding from other windings has a significant affects on the loss.