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Online since: January 2012
Authors: Yan Ni Wang, Xin Lu, Xiao Lin Jiang
Surface Coating Technology and Surface Modification Technology can improve the anti-erosion of artillery bore, abrasion resistance and other properties.
So metal particles jet to the substrate surface at very high speed and cool rapidly to form a coating with excellent mechanical properties [4] [5].
After analysis and comparison, the suitable material and process parameters are selected based on modification properties of material.
The major factors that affect the ability are steel composition, microstructure, properties, and also closely related with the use of conditions and the tensile property.
Mechanical Staff College.
So metal particles jet to the substrate surface at very high speed and cool rapidly to form a coating with excellent mechanical properties [4] [5].
After analysis and comparison, the suitable material and process parameters are selected based on modification properties of material.
The major factors that affect the ability are steel composition, microstructure, properties, and also closely related with the use of conditions and the tensile property.
Mechanical Staff College.
Online since: January 2014
Authors: Mohammad Aljarrah, E. Essadiqi, Rami H. Fouad, M. Rababah, A. Almagableh
The Effect of Annealing Conditions and Alloying Elements on the Microstructure Stability and Mechanical Properties of Mg-Zn-Cesheets
M.
Mechanical properties of these rolled and annealed sheets were determined in rolling and transverse directions.
The UTS is the same between these twoalloys, so the cerium doesn’t affect the UTS values.
Besides, the effect of alloying elements on mechanical properties was investigated.
Brown, Magnesium extrusion: properties, applications, and alloydevelopment, Light Met Age 2007, 65, 6
Mechanical properties of these rolled and annealed sheets were determined in rolling and transverse directions.
The UTS is the same between these twoalloys, so the cerium doesn’t affect the UTS values.
Besides, the effect of alloying elements on mechanical properties was investigated.
Brown, Magnesium extrusion: properties, applications, and alloydevelopment, Light Met Age 2007, 65, 6
Online since: November 2009
Authors: A. Mashreghi, L. Ghalandari, M. Reihanian, M.M. Moshksar
The focus of this paper is on the mechanical
properties of nanostructured metals produced by SPD methods.
A great deal of early works on mechanical properties of nanocrystalline materials used the IGC technique [4].
One of the most important factors affecting the tensile ductility of nanostructured metals is the tensile specimen dimensions.
Strain rate is another factor affecting the tensile ductility of ultrafine grained metals.
The mechanical properties (especially ductility) of nanostructured metals are strongly affected by processing methods.
A great deal of early works on mechanical properties of nanocrystalline materials used the IGC technique [4].
One of the most important factors affecting the tensile ductility of nanostructured metals is the tensile specimen dimensions.
Strain rate is another factor affecting the tensile ductility of ultrafine grained metals.
The mechanical properties (especially ductility) of nanostructured metals are strongly affected by processing methods.
Online since: July 2015
Authors: Viton Uthaisangsuk, Suttirat Punyamueang
Thus, mechanical behavior of the constituent phases significantly affects the resulting overall properties of such AHS steels.
Mechanical properties of each phase must be precisely characterized.
The obtained hardness values were correlated with the macroscopic mechanical properties including Vickers hardness, tensile properties and hole expansion ratio of the steels.
In addition, resulted mechanical properties of the steel were provided in Table 2.
Barlat, Correlations between nanoindentation hardness and macroscopic mechanical properties in DP980 steel
Mechanical properties of each phase must be precisely characterized.
The obtained hardness values were correlated with the macroscopic mechanical properties including Vickers hardness, tensile properties and hole expansion ratio of the steels.
In addition, resulted mechanical properties of the steel were provided in Table 2.
Barlat, Correlations between nanoindentation hardness and macroscopic mechanical properties in DP980 steel
Online since: August 2012
Authors: Liang Ma, Liang Liang Chen, Jing Hua Zhao, Ming Hong
The weights of evaluation factors in the model are obtained from the avail value of data reflecting the information entropy, by which the weight allocation is more reasonable.
These properties have a fuzzy feature [5].
However, a diversified water resource itself is a complex system, affecting the physical capacity evaluation of chemical and biological factors of the many with a lot of uncertainty and ambiguity, between the level of assessment factors and bearing capacity of the complex nonlinear relationship exists, so far water resources carrying capacity is still no uniform evaluation model.
Conclusion Water resource assessment is a systematic project, which requires a number of indicators of the properties of integrated, water resource evaluation of the impact of the many factors that have a lot of uncertainty, and water resource evaluation factors and level of the complex between the non-linear relationships and status of water resources carrying capacity also has the characteristics of dynamic change, making the carrying capacity of water resources has become very complex.
Beijing: Mechanical Industry Press, 2001.
These properties have a fuzzy feature [5].
However, a diversified water resource itself is a complex system, affecting the physical capacity evaluation of chemical and biological factors of the many with a lot of uncertainty and ambiguity, between the level of assessment factors and bearing capacity of the complex nonlinear relationship exists, so far water resources carrying capacity is still no uniform evaluation model.
Conclusion Water resource assessment is a systematic project, which requires a number of indicators of the properties of integrated, water resource evaluation of the impact of the many factors that have a lot of uncertainty, and water resource evaluation factors and level of the complex between the non-linear relationships and status of water resources carrying capacity also has the characteristics of dynamic change, making the carrying capacity of water resources has become very complex.
Beijing: Mechanical Industry Press, 2001.
Online since: March 2014
Authors: He Yu Wei, Chun Wei Wang, Yan Fang Mo, Guo Tuan Fan
However, taking into consideration other factors, we can set the demolding temperature above 50 oC.
Orientation 4.2 Orientation The orientation will cause different mechanical properties of plastic products which along all directions, sometimes some directional mechanical properties is rather poor.
Mechanical Industry Press, 2001, 231-363
Mechanical Industry Press, 2000, 252-512
Mechanical Industry Press, 1998, 110-508
Orientation 4.2 Orientation The orientation will cause different mechanical properties of plastic products which along all directions, sometimes some directional mechanical properties is rather poor.
Mechanical Industry Press, 2001, 231-363
Mechanical Industry Press, 2000, 252-512
Mechanical Industry Press, 1998, 110-508
Online since: December 2023
Authors: Joonas Ilmola, Jari Larkiola, Aarne Pohjonen
Introduction
It is important to be able to control the mechanical properties of a steel product, since the application of the product can have special requirements for these properties [1].
The mechanical properties of steel can be controlled by the thermal path during cooling, which is affected by the heat transfer, conduction and latent heat released by the phase transformations, as well as the chemical composition of the steel.
In addition to the rate of cooling, also other factors influence hardness of steel.
Steel hardenability is affected by the chemical composition and the grain size of the austenite prior to the transformation from austenite to ferrite.
The steel composition affects the potency to form the soft phases, ferrite and pearlite, and a suitable composition can be chosen [4–8] to create the desired properties of the steel product, in addition to optimizing the cooling path [9–12] for this purpose [13].
The mechanical properties of steel can be controlled by the thermal path during cooling, which is affected by the heat transfer, conduction and latent heat released by the phase transformations, as well as the chemical composition of the steel.
In addition to the rate of cooling, also other factors influence hardness of steel.
Steel hardenability is affected by the chemical composition and the grain size of the austenite prior to the transformation from austenite to ferrite.
The steel composition affects the potency to form the soft phases, ferrite and pearlite, and a suitable composition can be chosen [4–8] to create the desired properties of the steel product, in addition to optimizing the cooling path [9–12] for this purpose [13].
Online since: August 2019
Authors: Prasert Akkaramongkolporn, Pattaranut Eakwaropas, Prasopchai Patrojanasophon, Theerasak Rojanarata, Praneet Opanasopit, Tanasait Ngawhirunpat, Yin Yin Myat
The objective of this study was to optimize fabrication variables that affected desirable properties of dressings.
The objective of this study was to optimize fabrication variables that affected desirable properties of B. rotunda extract loaded PVA hydrogel dressings, including maximum elongation at break, maximum water content, maximum swelling and minimum erosion.
A Box-Behnken design with 3 factors, 3 levels and 17 experiments was chosen for this study.
Hydrogel dressing characterization Mechanical properties: Tensile strength, elongation at break and Young’s Modulus were measured using texture analyzer (model XT Plus, Texture Technologies).
Choi, Development of a novel sodium fusidate-loaded triple polymer hydrogel wound dressing: Mechanical properties and effects on wound repair, International Journal of Pharmaceutics 497 (2016) 114-122
The objective of this study was to optimize fabrication variables that affected desirable properties of B. rotunda extract loaded PVA hydrogel dressings, including maximum elongation at break, maximum water content, maximum swelling and minimum erosion.
A Box-Behnken design with 3 factors, 3 levels and 17 experiments was chosen for this study.
Hydrogel dressing characterization Mechanical properties: Tensile strength, elongation at break and Young’s Modulus were measured using texture analyzer (model XT Plus, Texture Technologies).
Choi, Development of a novel sodium fusidate-loaded triple polymer hydrogel wound dressing: Mechanical properties and effects on wound repair, International Journal of Pharmaceutics 497 (2016) 114-122
Online since: July 2014
Authors: Fang Shao, Yu Ting Wang, Li Jing Zou, Xian Ming Zhang, Bin Ji
Aero-engine alloys (also as known as superalloys)are known as difficult-to-machine materials, especially at higher cutting speeds, due to their several inherent properties such as low thermal conductivity and their high reactivity with cutting tool materials.
The machinability index can be significantly affected by the propertiesof the material being machined, properties and geometry of the cutting tool, cutting conditions employed and other miscellaneous factors such as rigidity of the machine tool, cutting environment, etc.
The wide spread use of jet engine has increased demand for materials that have excellent high temperature mechanical and chemical properties relative to steels and stainless steel alloys originally employed in jet engine applications.
The mechanical and physical properties of workpiece material and tool material are also presented in Table 2 and Table 3, respectively.
In the machining processes, chip deformation, material constitutive relationships, and tool-chip friction are coupled together and affected each other.
The machinability index can be significantly affected by the propertiesof the material being machined, properties and geometry of the cutting tool, cutting conditions employed and other miscellaneous factors such as rigidity of the machine tool, cutting environment, etc.
The wide spread use of jet engine has increased demand for materials that have excellent high temperature mechanical and chemical properties relative to steels and stainless steel alloys originally employed in jet engine applications.
The mechanical and physical properties of workpiece material and tool material are also presented in Table 2 and Table 3, respectively.
In the machining processes, chip deformation, material constitutive relationships, and tool-chip friction are coupled together and affected each other.
Online since: December 2014
Authors: Prasad K.D.V. Yarlagadda, Javad Malekani, Ill Soo Kim, Ji Hye Lee
Generally, welding quality is affected by two sets of parameters including welding design and welding process parameters [5].
Because of high impact of heat transfer on weld geometry and molten pool thermal properties, automatic control of the variables is very important.
These properties are the integration of many interdependent aspects of the process, thus making GMA welding a fully coupled, highly non-linear multivariable process [10] .
In similar studies, Ates [19] and Al-Faruk et al [20] used MLP with two hidden layers for prediction of some mechanical properties of the GMA welding.
Strojniški vestnik - Journal of Mechanical Engineering, 2011. 57(3): p. 267-278
Because of high impact of heat transfer on weld geometry and molten pool thermal properties, automatic control of the variables is very important.
These properties are the integration of many interdependent aspects of the process, thus making GMA welding a fully coupled, highly non-linear multivariable process [10] .
In similar studies, Ates [19] and Al-Faruk et al [20] used MLP with two hidden layers for prediction of some mechanical properties of the GMA welding.
Strojniški vestnik - Journal of Mechanical Engineering, 2011. 57(3): p. 267-278