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Online since: October 2010
Authors: Shehab M. Abdelrahman, Buddhadev Jana, Margaret M. Stack
Models have been constructed of the degradation based on the many variables affecting the wastage rate
Methodology The metal surface mechanical properties are affected by the temperature rise.
These are the factors that determine the corrosion process if it is in the dissolution or the passivation region, according to E-pH diagram for the Fe.
Properties of Solids, Ch.12, p. 195, CD-ROM Version
Fluid Properties, Ch.6, p. 2, CD-ROM Version
Methodology The metal surface mechanical properties are affected by the temperature rise.
These are the factors that determine the corrosion process if it is in the dissolution or the passivation region, according to E-pH diagram for the Fe.
Properties of Solids, Ch.12, p. 195, CD-ROM Version
Fluid Properties, Ch.6, p. 2, CD-ROM Version
Online since: November 2025
Authors: Olexander Soshinskiy, Stanislav Shakhov, Andrii Melnychenko, Nina Rashkevich
The method takes into account the physical and mechanical properties of the material, including modulus of deformation, creep, and compressive strength.
The main factor is the layered structure of the material, which forms the anisotropy of properties and the uneven distribution of stresses [6, 7].
Kovalevska, Parameters of fire-retardant coatings of steel constructions under the influence of climatic factors.
Feng, State-of-the-art of mechanical properties of 3D printed concrete.
Tan, Anisotropic mechanical properties of extrusion-based 3D printed layered concrete.
The main factor is the layered structure of the material, which forms the anisotropy of properties and the uneven distribution of stresses [6, 7].
Kovalevska, Parameters of fire-retardant coatings of steel constructions under the influence of climatic factors.
Feng, State-of-the-art of mechanical properties of 3D printed concrete.
Tan, Anisotropic mechanical properties of extrusion-based 3D printed layered concrete.
Online since: May 2011
Authors: Li He, Zhu Yun Hu, Jiang Shan Li, Guang Hua Cai, Hai Jun Lu
According to the analysis of rock strength and failure models in numerical simulation, it is acquired the influence of heterogeneity and element sizes on rock mechanics properties.
Therefore, the rock heterogeneity is an important factor considered in the research of the rock failure process.
(2) Where is the average stress, is the effective stress, is elastic modulus of no stir rocks, is damage parameter, is relative area of effective bearing internal force, thus, (3) The mechanical properties influence of rocks on element sizes Establish model Under the conditions of mechanical properties of elements and invariable boundary, we study the stability influence of the element sizes from non-uniform materials on macro-mechanical behavior, failure modes, and failure process[6].
Fig.1 gives us the model of mechanical properties of elements and invariable boundary.
Fig.2 shows that the fluctuation of macro-mechanical properties for samples becomes small with the element sizes decreasing.
Therefore, the rock heterogeneity is an important factor considered in the research of the rock failure process.
(2) Where is the average stress, is the effective stress, is elastic modulus of no stir rocks, is damage parameter, is relative area of effective bearing internal force, thus, (3) The mechanical properties influence of rocks on element sizes Establish model Under the conditions of mechanical properties of elements and invariable boundary, we study the stability influence of the element sizes from non-uniform materials on macro-mechanical behavior, failure modes, and failure process[6].
Fig.1 gives us the model of mechanical properties of elements and invariable boundary.
Fig.2 shows that the fluctuation of macro-mechanical properties for samples becomes small with the element sizes decreasing.
Online since: August 2009
Authors: Michael V. Swain, Chaiy Rungsiyakull, Qing Li, Wei Li
Osseointegration becomes one of critical factors to determine the success of implantation as it
directly affects the stresses acting on the peri-implant bony tissues.
However, it still remains unclear how the implant biomaterials and corresponding surface morphologies would affect the bone remodelling activities.
Concurrently with the osseointegration process, bone regulates itself in response to mechanical loads by adapting its internal morphology and properties for accommodating the fundamental loading environment, knowing as "bone remodeling" [2].
In this regard, the bone remodels in line with the change of mechanical loading induced by implant.
The corresponding properties such as Young's modulus and Poisson ratio were obtained from the literature [4].
However, it still remains unclear how the implant biomaterials and corresponding surface morphologies would affect the bone remodelling activities.
Concurrently with the osseointegration process, bone regulates itself in response to mechanical loads by adapting its internal morphology and properties for accommodating the fundamental loading environment, knowing as "bone remodeling" [2].
In this regard, the bone remodels in line with the change of mechanical loading induced by implant.
The corresponding properties such as Young's modulus and Poisson ratio were obtained from the literature [4].
Online since: November 2013
Authors: Mohd Hanapiah Abdullah, Mohammad Rusop Mahmood, Mohamad Hafiz Mamat
The results obtained herein suggest that selecting the appropriate annealing temperature become a key factor for tuning the most desired properties from the as-prepared TiO2/ZnO thin films.
There are two factors associated with the band gap change of TiO2/ZnO with the increase in annealing temperature.
This is probably due to the compressive stress of the lattice in a direction parallel to the surface affecting the lattice perpendicular to the surface as earlier discussed.
The author thanks Mechanical Engineering Department, (UiTM) Malaysia for the XRD measurement.
Jagadish, Basic properties and applications of ZnO, Thin Films Nanostructure 1 (2006)
There are two factors associated with the band gap change of TiO2/ZnO with the increase in annealing temperature.
This is probably due to the compressive stress of the lattice in a direction parallel to the surface affecting the lattice perpendicular to the surface as earlier discussed.
The author thanks Mechanical Engineering Department, (UiTM) Malaysia for the XRD measurement.
Jagadish, Basic properties and applications of ZnO, Thin Films Nanostructure 1 (2006)
Online since: August 2023
Authors: Annalisa Pola, Lorenzo Montesano, Anna Mantelli, Riccardo Arcaleni, Lavinia Tonelli, Luca Girelli
In the last decades, many components have been produced with semi-solid techniques showing interesting mechanical properties and conductivity [7,8].
No needle-like intermetallics were detected, that are known to adversely affect the mechanical properties of Al alloys and drive the use of primary alloys [14].
Concerning the mechanical properties, the Brinell hardness performed on the T6 thixo-formed specimens are reported in Fig. 6.
Li, Microstructures and mechanical properties of squeeze cast Al-5.0Cu-0.6Mn alloys with different Fe content, Mater.
Leo, Effect of heat treatments on mechanical properties and fracture behavior of a thixocast A356 aluminum alloy, J.
No needle-like intermetallics were detected, that are known to adversely affect the mechanical properties of Al alloys and drive the use of primary alloys [14].
Concerning the mechanical properties, the Brinell hardness performed on the T6 thixo-formed specimens are reported in Fig. 6.
Li, Microstructures and mechanical properties of squeeze cast Al-5.0Cu-0.6Mn alloys with different Fe content, Mater.
Leo, Effect of heat treatments on mechanical properties and fracture behavior of a thixocast A356 aluminum alloy, J.
Online since: June 2022
Authors: Le Cao Ky Dinh, Van Luong Vo, Tuyen Vo
With the minimum machining time requirement, the content of the article will determine the optimal forming machining parameters affecting the machining time.
With the minimum machining time requirement, the content of the article will determine the optimal forming machining parameters affecting the machining time.
Fig. 3 Curved taper model and test specimen parameters [6] Because the current forming angle cannot exceed the limit of α0 = 90°, the profile of the selected specimen has a speaker shape, the radius of curvature is R = 60 mm as shown in Figure 3. 2.4 Selecting experimental parameters With the combination of practical experience, mechanical properties of SUS 304 stainless steel and the technology system of a dedicated SPIF forming machine, the selection of limited forming parameters suitable for SUS 304 material is as follows: · Diameter of tool (X1): affects machining productivity
(1) = 23/4 = 1.682 where k is the number of factors studied, k = 3.
Through the function Y, it is possible to graph each pair of factors affecting the machining time (Figure 4 ¸ 6), the graphs are drawn when the value of the remaining factor is kept at the base level.
With the minimum machining time requirement, the content of the article will determine the optimal forming machining parameters affecting the machining time.
Fig. 3 Curved taper model and test specimen parameters [6] Because the current forming angle cannot exceed the limit of α0 = 90°, the profile of the selected specimen has a speaker shape, the radius of curvature is R = 60 mm as shown in Figure 3. 2.4 Selecting experimental parameters With the combination of practical experience, mechanical properties of SUS 304 stainless steel and the technology system of a dedicated SPIF forming machine, the selection of limited forming parameters suitable for SUS 304 material is as follows: · Diameter of tool (X1): affects machining productivity
(1) = 23/4 = 1.682 where k is the number of factors studied, k = 3.
Through the function Y, it is possible to graph each pair of factors affecting the machining time (Figure 4 ¸ 6), the graphs are drawn when the value of the remaining factor is kept at the base level.
Online since: June 2019
Authors: Agnes Iringová, Dominika Vandličková
The paper deals with the theoretical analysis of physical, structural, and layout determinants affecting the design and restoration of historic buildings in terms of fire safety.
The real fire resistance of the load-bearing and fire-separating structures is primarily dependent on the mechanical load during fire and the fire load density affected by the operation.
The fire resistance of the structure in the fire department is dependent on the characteristic fire load density per area unit of the floor (qf,d), combustion coefficient, fire hazard and fire protection factors.
The method of reduced properties works with the residual cross-section (obtained after reading the carbonized layer) taking into account the changed strength and stiffness material properties based on the modified coefficient.
[6] Ďurica P.: Poruchy budov - diagnostika a sanácia - 1. vyd. - Žilina : Žilinská univerzita, 2012. - 244 s., [17,76 AH; 18,20 VH] : ISBN 978-80-554-0561-2 [7] Makovická -Osvaldová, L. - Gašpercová, S.: The evaluation of flammability properties regarding testing methods.
The real fire resistance of the load-bearing and fire-separating structures is primarily dependent on the mechanical load during fire and the fire load density affected by the operation.
The fire resistance of the structure in the fire department is dependent on the characteristic fire load density per area unit of the floor (qf,d), combustion coefficient, fire hazard and fire protection factors.
The method of reduced properties works with the residual cross-section (obtained after reading the carbonized layer) taking into account the changed strength and stiffness material properties based on the modified coefficient.
[6] Ďurica P.: Poruchy budov - diagnostika a sanácia - 1. vyd. - Žilina : Žilinská univerzita, 2012. - 244 s., [17,76 AH; 18,20 VH] : ISBN 978-80-554-0561-2 [7] Makovická -Osvaldová, L. - Gašpercová, S.: The evaluation of flammability properties regarding testing methods.
Online since: February 2012
Authors: He Zheng Wang, Hua Dong Zhao, Guo Ning Liu, Xian Zhong Xu, Ming Hao Zhao
Introduction
Composite materials’ application in engineering has been ever expanding owing to their unique mechanical properties.
While this kind of composites boasts of excellent general mechanical properties in ordinary environment, their mechanical behaviors may deteriorate rapidly in corrosive environment.
With the consideration of these factors, one organic polymer (PET) thin film deposited by pure aluminum thin films on both surfaces is adopted here to improve the fabricated composite’s anti-corrosion properties as well as to decrease the permeability of gas molecules.
Test shows that, when optimized thermo-mechanical processing techniques are adopted, the fabricated composite can combine the favorable properties of polyester fabric and aluminum thin film to achieve the desirable mechanical properties even after being exposed to very corrosive environment of ozone gas.
Wilson: The corrosion products and mechanical properties of certain light aluminum alloys as affected by atmospheric exposure, Proceedings of the Physical Society of London, Vol.30 (1926) 15-25
While this kind of composites boasts of excellent general mechanical properties in ordinary environment, their mechanical behaviors may deteriorate rapidly in corrosive environment.
With the consideration of these factors, one organic polymer (PET) thin film deposited by pure aluminum thin films on both surfaces is adopted here to improve the fabricated composite’s anti-corrosion properties as well as to decrease the permeability of gas molecules.
Test shows that, when optimized thermo-mechanical processing techniques are adopted, the fabricated composite can combine the favorable properties of polyester fabric and aluminum thin film to achieve the desirable mechanical properties even after being exposed to very corrosive environment of ozone gas.
Wilson: The corrosion products and mechanical properties of certain light aluminum alloys as affected by atmospheric exposure, Proceedings of the Physical Society of London, Vol.30 (1926) 15-25
Online since: February 2017
Authors: Dong Won Jung
The influences of some factors on the forming length decisively have been analyzed and the sensitivity of these factors has been considered.
Table 1 shows the mechanical properties of the three kinds of materials used in this simulation.
The factors are shown on the table.3.
There are three factors with 3 levels considered in this paper.
The factors are same with simulation 3.
Table 1 shows the mechanical properties of the three kinds of materials used in this simulation.
The factors are shown on the table.3.
There are three factors with 3 levels considered in this paper.
The factors are same with simulation 3.