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Online since: January 2026
Authors: Shanta Chakrabarty, Praveen Gagrai, Jyoti Jha
While physical simulations provide empirical data on mechanical properties and microstructural changes, FEM simulations predict stress-strain distributions and identify potential instability regions.
Thus, the progressive changes in elemental distribution, particularly of Hf and Ta, demonstrate their critical role in controlling the mechanical properties of CM247LC at varying temperatures.
[2] HE Huang, CH Koo, Characteristics and mechanical properties of polycrystalline CM 247 LC superalloy casting.
"Effect of Heat Treatment on the Tensile Properties of Poly-crystal and DS CM247LC Alloy."
Koo, Characteristics and mechanical properties of polycrystalline CM 247 LC superalloy casting, Mater.
Thus, the progressive changes in elemental distribution, particularly of Hf and Ta, demonstrate their critical role in controlling the mechanical properties of CM247LC at varying temperatures.
[2] HE Huang, CH Koo, Characteristics and mechanical properties of polycrystalline CM 247 LC superalloy casting.
"Effect of Heat Treatment on the Tensile Properties of Poly-crystal and DS CM247LC Alloy."
Koo, Characteristics and mechanical properties of polycrystalline CM 247 LC superalloy casting, Mater.
Online since: November 2016
Authors: Arturo Moleti, Renata Sisto, Filippo Sanjust, Teresa Botti, Sandro Gentili
Its remarkable electro-mechanical properties are responsible for the excellent performances of the human hearing, in terms of sensitivity (< 0 dB SPL), frequency resolution (~ 0.01), and dynamical range (> 100 dB).
The cochlea performs frequency discrimination and nonlinear active amplification, thanks to the tonotopic properties of the basilar membrane (BM) and to the electromechanical properties of the outer hair cells (OHC).
All these properties are accounted for and quantitatively described by linear and nonlinear cochlear mechanical models [1, 2], which also explain the generation and transmission of otoacoustic emissions (OAEs).
The first one affects also the perception levels measured in pure tone audiometry, the second affects only the OAE measurements, which require that the backward TWs pass through the middle ear to get OAEs measurable in the ear canal.
In this domain, the temporal properties of the OAE response can be most effectively measured, and filtering can be performed in a way that automatically respects the scale-invariant properties of the cochlea.
The cochlea performs frequency discrimination and nonlinear active amplification, thanks to the tonotopic properties of the basilar membrane (BM) and to the electromechanical properties of the outer hair cells (OHC).
All these properties are accounted for and quantitatively described by linear and nonlinear cochlear mechanical models [1, 2], which also explain the generation and transmission of otoacoustic emissions (OAEs).
The first one affects also the perception levels measured in pure tone audiometry, the second affects only the OAE measurements, which require that the backward TWs pass through the middle ear to get OAEs measurable in the ear canal.
In this domain, the temporal properties of the OAE response can be most effectively measured, and filtering can be performed in a way that automatically respects the scale-invariant properties of the cochlea.
Online since: December 2022
Authors: Alexander Ivanchenko, Volodymyr Hnatushenko, Tikhon Prokofyev
Conclusions
The move of dislocations and changes in the crystal lattice of deformable ZnS single crystals due to this movement in the PD process affects all the main parameters that determine their PL properties and correlate with changes in the PL spectra.
Fernández, Correlative study of structural and optical properties of ZnSe under severe plastic deformation, J.
[17] Electronic Properties of Dislocations in Semiconductors, Yu.A.
Polezhaev, Properties of emission centers in manganese doped zinc sulfide, J.
Schulze, Analisis of polymorphic properties ZnS(Mn) by lazer spectroscopy.
Fernández, Correlative study of structural and optical properties of ZnSe under severe plastic deformation, J.
[17] Electronic Properties of Dislocations in Semiconductors, Yu.A.
Polezhaev, Properties of emission centers in manganese doped zinc sulfide, J.
Schulze, Analisis of polymorphic properties ZnS(Mn) by lazer spectroscopy.
Online since: May 2017
Authors: Andini Isfandiary, Dyah Hikmawati, Prihartini Widiyanti
Collagen is a material that can be applied to the scaffold and has been used extensively in tissue engineering techniques for superior biocompatibility and biodegradability properties [9].
Chitosan is a natural biopolymer that has biocompatible properties, biodegradable and mechanical strength which can be used as a wound closure so that the substance is able to act as drug delivery and wound healing [8].
In addition, the presence of AV also affected degradation.
In addition, the existence of AV also affect the degradation.
Properties of Collagen/Chitosan Scaffolds for Skin Tissue Engineering.
Chitosan is a natural biopolymer that has biocompatible properties, biodegradable and mechanical strength which can be used as a wound closure so that the substance is able to act as drug delivery and wound healing [8].
In addition, the presence of AV also affected degradation.
In addition, the existence of AV also affect the degradation.
Properties of Collagen/Chitosan Scaffolds for Skin Tissue Engineering.
Online since: August 2023
Authors: Seung Jun Oh, Sun Young Lee, Taesung Kim, Si Nae Song, Jong Yeong Jeon
Investigation of Effects of Sulfuric Acid in Single Wafer Cleaning Process Using Isopropyl Alcohol
Seungjun Oh1,a, Sinae Song2,b, Jongyeong Jeon1,c, Sunyoung Lee3,d
and Taesung Kim1,4,e
1School of Mechanical Engineering, Sungkyunkwan University, Suwon, Republic of Korea
2Clean Equipment Team, SEMES Corp., Cheonan, Republic of Korea
3School of Advanced Materials Engineering, Sungkyunkwan University, Suwon, Republic of Korea
4SKKU advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Republic of Korea
aseung2504@skku.edu, bsinae.song@semes.com, cjong6911200@g.skku.edu, dleesuny@skku.edu, etkim@skku.edu
Keywords: Single wafer cleaning, IPA, contaminants.
In this paper, IPA non−volatile residues were defined by acid contamination, and these non−volatile residues have affected the Si wafer surface.
Critical particle size affecting the features has decreased.
The cleaning solution should be used for types of defects property.
(1) Where n equals the number of charges on the number of charges on the particle, e is the elementary unit of charge, Cc is the slip correction factor, η is the dynamic viscosity of air, and Dp is the particle diameter.
In this paper, IPA non−volatile residues were defined by acid contamination, and these non−volatile residues have affected the Si wafer surface.
Critical particle size affecting the features has decreased.
The cleaning solution should be used for types of defects property.
(1) Where n equals the number of charges on the number of charges on the particle, e is the elementary unit of charge, Cc is the slip correction factor, η is the dynamic viscosity of air, and Dp is the particle diameter.
Online since: April 2020
Authors: Mahfud Mahfud, Raka Selaksa Charsima Muchammad, Lailatul Qadariyah
The experiment shows that the factors which influence the extraction rate are microwave time, microwave power, and material size.
Heating can also be selective, which means it depends on the dielectric properties of the material.
The previous study showed that the method of oil extraction techniques using mechanical screw press was run at low cost, but this is not effective because the yield of oil is relatively lower.
As is shown in Fig.5, microwave time also affects the extraction yield.
Summary This experiment has been conducted and the influence factors for extraction are microwave extraction time, microwave power and material size.
Heating can also be selective, which means it depends on the dielectric properties of the material.
The previous study showed that the method of oil extraction techniques using mechanical screw press was run at low cost, but this is not effective because the yield of oil is relatively lower.
As is shown in Fig.5, microwave time also affects the extraction yield.
Summary This experiment has been conducted and the influence factors for extraction are microwave extraction time, microwave power and material size.
Online since: March 2015
Authors: Zhao Xia Hu, Jiang Tao Li, Dong Qin Ran, Shou Wen Chen
There are many factors that influence the performance of MFCs including bacteria, electrode materials, operation parameters (such as pH, temperature, and energy sources), and the separators in the dual-chamber reactors.
SPAES membranes have been considered promising candidates because of their good mechanical properties, high proton exchange capacity and performances for fuel cell applications.
Results and discussion Effect of IEC on the performance of MFCs Table 1 shows the properties of SPAES membranes and the performance of MFCs.
Properties of SPAES membranes and the performance of MFCs Code OCV [mV] Pmax [W/m3] Rext [Ω] Rint [Ω] σ [mS/cm] IEC [mmol/g] Cal.
Wang, Preparation and properties of crosslinked multiblock sulfonated poly(arylene ether sulfone) membranes for fuel cell applications, Journal of Applied Polymer Science. 121 (2011) 1707-1716
SPAES membranes have been considered promising candidates because of their good mechanical properties, high proton exchange capacity and performances for fuel cell applications.
Results and discussion Effect of IEC on the performance of MFCs Table 1 shows the properties of SPAES membranes and the performance of MFCs.
Properties of SPAES membranes and the performance of MFCs Code OCV [mV] Pmax [W/m3] Rext [Ω] Rint [Ω] σ [mS/cm] IEC [mmol/g] Cal.
Wang, Preparation and properties of crosslinked multiblock sulfonated poly(arylene ether sulfone) membranes for fuel cell applications, Journal of Applied Polymer Science. 121 (2011) 1707-1716
Online since: September 2014
Authors: Xiu Hua Ma
Currently, most of gate valve designs still adopt the traditional designing methods of half experience and half theory which is far from the needs of users on the individuation and diversification for the products, even affect the market competitiveness of our products[2] .
The analysis steps of drawing model (also can import) is-generate numerical example and define their types and options-define material properties-specify constraints and loads-define global, spare parts and set-divide the unit grids-run the example or designed situation- check the results.
(2) As is shown in Fig5, the head of the valve rod bears the biggest stress as 468.98, which is under the safety requirements of 785Mpa while the safety factor is 1.67
Mechanical Research & Application. 2013,5(26):61-64.
Parameterized design and simulation of indexing mechanism based on Pro/E[M].Mechanical Design,2005,22,11-14.
The analysis steps of drawing model (also can import) is-generate numerical example and define their types and options-define material properties-specify constraints and loads-define global, spare parts and set-divide the unit grids-run the example or designed situation- check the results.
(2) As is shown in Fig5, the head of the valve rod bears the biggest stress as 468.98, which is under the safety requirements of 785Mpa while the safety factor is 1.67
Mechanical Research & Application. 2013,5(26):61-64.
Parameterized design and simulation of indexing mechanism based on Pro/E[M].Mechanical Design,2005,22,11-14.
Online since: April 2010
Authors: Balázs Verő, Mihály Réger, Ibolya Kardos, Péter Varga
The Effect of Alloying Elements on the Stability
of Centerline Segregation
Mihály Réger1,a, Balázs Verő
2,b, Ibolya Kardos3,c, Péter Varga
1,d
1
Budapest Tech, Bánki Donát Fac. of Mechanical and Safety Engineering, Hungary
2
Bay Zoltán Institution for Materials and Technology, Hungary
3
ISD DUNAFERR Co., Hungary
a
reger.mihaly@bgk.bmf.hu, bvero@bzaka.hu, cikardos@rt.dunaferr.hu, dvarga.peter@bgk.bmf.hu
Keywords: centerline segregation, activity of carbon, effect of manganese, diffusional
homogenization
Abstract.
The centerline segregation is a disadvantageous failure of slabs which can affect the quality properties of the final products.
It is claimed by the authors without detailed explanation that manganese decreases the activity of carbon and this affects the carbon diffusion, but other elements like phosphorus can also play an important role [1].
Welding has a double role: it gives a rigid mechanical connection between the parts and protects the inner surfaces of the steel plates from oxidation.
The calculation method described above can be applied for this case by using the carbon activity field data and the "effective" carbon diffusion coefficient supposing that manganese does not affect considerably the value of the "effective" carbon diffusion coefficient.
The centerline segregation is a disadvantageous failure of slabs which can affect the quality properties of the final products.
It is claimed by the authors without detailed explanation that manganese decreases the activity of carbon and this affects the carbon diffusion, but other elements like phosphorus can also play an important role [1].
Welding has a double role: it gives a rigid mechanical connection between the parts and protects the inner surfaces of the steel plates from oxidation.
The calculation method described above can be applied for this case by using the carbon activity field data and the "effective" carbon diffusion coefficient supposing that manganese does not affect considerably the value of the "effective" carbon diffusion coefficient.
Online since: November 2013
Authors: Lin Lin Liu
Therefore, building corporate environmental, health and safety aspects of the management capacity, not only with people's lives and property safety are closely related, but also with China's economy to the healthy and stable development has a great relationship.
Health, environment and safety is the construction of the building process in Trinity factors are indispensable.
HSE management system in building dynamic time, we need to analyze a variety of angles construction projects or quality problems, brings bodily harm and other issues, to take timely and effective way form to solve these problems and effective protection of life and property safety of construction workers, security engineering quality.
Will effectively combine all these factors, construction enterprises must take safety and health management staff working directly placed into the performance evaluation of systematic field.
Beijing: Mechanical Industry Press, 2002:345-355
Health, environment and safety is the construction of the building process in Trinity factors are indispensable.
HSE management system in building dynamic time, we need to analyze a variety of angles construction projects or quality problems, brings bodily harm and other issues, to take timely and effective way form to solve these problems and effective protection of life and property safety of construction workers, security engineering quality.
Will effectively combine all these factors, construction enterprises must take safety and health management staff working directly placed into the performance evaluation of systematic field.
Beijing: Mechanical Industry Press, 2002:345-355