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Online since: November 2024
Authors: Eduard Laurentiu Nitu, Daniela Monica Iordache, Claudiu Bădulescu, Ion Aurel Perianu, Younes Demmouche, Matthieu Dhondt, Nicoleta Sorina Miloiu
Primary factors affecting the quality of friction stir welding are the material of the parts to be welded, implicitly their chemical composition and mechanical properties.
It has been observed that mechanical properties can be further improved by implementing water cooling during the process, which reduces heat input [2].
To avoid changing of welding timings, the costs of experimentation or increasing the complexity as a result of several factors, it is difficult to consider all factors and their responses simultaneously.
Zhang et al [10] conducted a material flow analysis to investigate how the flow of the material influences the mechanical properties of the joint.
Fig.4 Experimental results extracted from literature [15] In order for the numerical model to be close to the experimental one, an identification of the mechanical properties of each zone is carried out based on the properties obtained from the tensile tests.
It has been observed that mechanical properties can be further improved by implementing water cooling during the process, which reduces heat input [2].
To avoid changing of welding timings, the costs of experimentation or increasing the complexity as a result of several factors, it is difficult to consider all factors and their responses simultaneously.
Zhang et al [10] conducted a material flow analysis to investigate how the flow of the material influences the mechanical properties of the joint.
Fig.4 Experimental results extracted from literature [15] In order for the numerical model to be close to the experimental one, an identification of the mechanical properties of each zone is carried out based on the properties obtained from the tensile tests.
Online since: April 2025
Authors: H.M. Mamun Al Rashed, Aninda Nafis Ahmed, Md Nahid Rahman Nafi
The processing techniques employed in the fabrication of magnesium alloys significantly affect their microstructure and mechanical properties.
Strain rate sensitivity is another critical factor affecting the mechanical properties of magnesium alloys.
Effects of Microstructural Factors on Corrosion Behavior of As-Extruded Mg-Sn-Zn Alloys in Immersion and Salt Spray Environments.
Enhancing mechanical properties of an Mg–Zn–Ca alloy via extrusion.
Effect of rolling treatment on microstructure, mechanical properties, and corrosion properties of WE43 alloy.
Strain rate sensitivity is another critical factor affecting the mechanical properties of magnesium alloys.
Effects of Microstructural Factors on Corrosion Behavior of As-Extruded Mg-Sn-Zn Alloys in Immersion and Salt Spray Environments.
Enhancing mechanical properties of an Mg–Zn–Ca alloy via extrusion.
Effect of rolling treatment on microstructure, mechanical properties, and corrosion properties of WE43 alloy.
Online since: February 2012
Authors: Peng Yun Song, Xiao Yun Hu, Fang Bo Ma, Jie Gao
The heat conduction angle, angular velocity, contact pressure and other factors and its law on end face temperature distribution have also been analyzed in this paper.
Face temperature irrational rising will not only change the sealed medium physical properties, which may cause phase to change of mechanical seal faces, but also produce irrational thermal elastic deformation, which may affect seal life.
Hu Xiaoyun[6] considered the factor of heat conduction angle based on Zhu Xiaoping’s analytical solution, which made the calculting of the end face temperature distribution of mixed friction dual face mechanical seals be more accurate.
The influence factors and law on end face temperature distribution The effect of j.
The results show that w,j and Pe obviously affect end face temperature distribution.
Face temperature irrational rising will not only change the sealed medium physical properties, which may cause phase to change of mechanical seal faces, but also produce irrational thermal elastic deformation, which may affect seal life.
Hu Xiaoyun[6] considered the factor of heat conduction angle based on Zhu Xiaoping’s analytical solution, which made the calculting of the end face temperature distribution of mixed friction dual face mechanical seals be more accurate.
The influence factors and law on end face temperature distribution The effect of j.
The results show that w,j and Pe obviously affect end face temperature distribution.
Online since: August 2020
Authors: Chakrit Sirisinha, Pongdhorn Sea-Oui, Chatchatree Thongsaen
Rheological and mechanical properties of rubber compounds and vulcanisates were investigated.
As for vulcanisate properties, the systems with increased PSi fraction exhibit enhancement in mechanical strength and elastic contribution, which are in good agreement with rubber compound properties.
Table 3 Mechanical properties and resilience of the rubber vulcanisates filled with various CB/PSi hybrid ratios.
Rheological and mechanical properties were investigated.
These lead to the enhancement in mechanical properties (abrasion resistance and tensile strength) and elasticity (rebound-resilence and heat build-up) of vulcanisates.
As for vulcanisate properties, the systems with increased PSi fraction exhibit enhancement in mechanical strength and elastic contribution, which are in good agreement with rubber compound properties.
Table 3 Mechanical properties and resilience of the rubber vulcanisates filled with various CB/PSi hybrid ratios.
Rheological and mechanical properties were investigated.
These lead to the enhancement in mechanical properties (abrasion resistance and tensile strength) and elasticity (rebound-resilence and heat build-up) of vulcanisates.
Online since: August 2018
Authors: Amnuay Wattanakornsiri, Rattanaphol Mongkholrattanasit, Tongsai Jamnongkan, N. Boonjuban, J. Sangkhachat
On the one hand, the PLA has low mechanical properties, i.e., brittle and low flexibility, and thermal properties.
Due to its can improve the mechanical properties of material for suitable application.
We also believed that the CF can improve the mechanical properties of PLA.
Fig. 4 shows the tensile mechanical properties of PLA and PLA/CF films.
Mechanical properties of biocomposite films.
Due to its can improve the mechanical properties of material for suitable application.
We also believed that the CF can improve the mechanical properties of PLA.
Fig. 4 shows the tensile mechanical properties of PLA and PLA/CF films.
Mechanical properties of biocomposite films.
Online since: January 2013
Authors: Jing Shun Duanmu, Ji Yong Du, Ji Yang, Chao Zhang, Peng Fei Wu
We propose a fault tree approach to qualitatively identify risk factors that affect flight safety.
Figure1 Flight safety risk factors identification fault tree Table 1 Each level flight safety risk factors The first layer No.
Risk factors Second layer No.
Flight safety classification of the risk factors Characteristics of a variety of incentives based on flight safety risk exists, the use of the method according to the classification of the sources of risk, and quantitative identification of the risk factors that affect flight safety is divided into four main categories (as shown in Figure 3).
GAN Xu-sheng, DUANMU jing-shun,CONG Wei,GAO Jian-guo.Induce Pattern Analysis and Prediction Study an Mechanical Causation Flight Accident[J].
Figure1 Flight safety risk factors identification fault tree Table 1 Each level flight safety risk factors The first layer No.
Risk factors Second layer No.
Flight safety classification of the risk factors Characteristics of a variety of incentives based on flight safety risk exists, the use of the method according to the classification of the sources of risk, and quantitative identification of the risk factors that affect flight safety is divided into four main categories (as shown in Figure 3).
GAN Xu-sheng, DUANMU jing-shun,CONG Wei,GAO Jian-guo.Induce Pattern Analysis and Prediction Study an Mechanical Causation Flight Accident[J].
Online since: January 2013
Authors: Tong Xi Yu, Ling Ling Hu
Effects of Cell-wall Angle on the Mechanical Properties of Hexagonal Honeycombs
L.L.
The y-directional mechanical properties of hexagonal honeycombs with various cell-wall angles are explored.
The relative density has been recognized as one of the dominant factors in deciding the mechanical properties of cellular material [1].
(a) Initial state (b) Final state Fig. 6 Configurations of the representative block Summary The mechanical properties of honeycombs are affected by several factors, such as the honeycomb’s relative density, the cells’ configuration and the impact velocity.
It is also revealed that cells’ configuration is a non-negligible factor in dictating the mechanical properties of the honeycomb.
The y-directional mechanical properties of hexagonal honeycombs with various cell-wall angles are explored.
The relative density has been recognized as one of the dominant factors in deciding the mechanical properties of cellular material [1].
(a) Initial state (b) Final state Fig. 6 Configurations of the representative block Summary The mechanical properties of honeycombs are affected by several factors, such as the honeycomb’s relative density, the cells’ configuration and the impact velocity.
It is also revealed that cells’ configuration is a non-negligible factor in dictating the mechanical properties of the honeycomb.
Online since: March 2024
Authors: Antti Järvenpää, Mikko Hietala, Timo Rautio, Matias Jaskari, Aappo Mustakangas
Previous research has shown that PBF-LB manufactured AlSi10Mg can
exhibit superior mechanical properties compared to traditional material, but the anisotropic nature
of parts produced by PBF-LB can significantly affect their properties.
Furthermore, a study investigated factors limiting the fatigue life of the material and identified porosity associated with oxides as the main concern [13].
The effect of orientation on the mechanical properties of AlSi10Mg.
In conclusion, the printing orientation affects the tensile properties of PBF-LB manufactured AlSi10Mg.
Mechanical properties of AlSi10mg produced by selective laser melting.
Furthermore, a study investigated factors limiting the fatigue life of the material and identified porosity associated with oxides as the main concern [13].
The effect of orientation on the mechanical properties of AlSi10Mg.
In conclusion, the printing orientation affects the tensile properties of PBF-LB manufactured AlSi10Mg.
Mechanical properties of AlSi10mg produced by selective laser melting.
Online since: January 2013
Authors: Xiao Hu Zheng, Gu Feng
Introduction
Ni-Fe plating has a copmpact structure, bright and smooth surface and was widely used in the production of new materials that require specific mechanical, chemical and/or physical properties[1,6].
In the present work, we investigated several important factors on the nickel-iron plating composition and electromagnetic property.
Experimental method Since the magnetic properties of Ni-Fe alloys are seriously affected by their compositions and structures, a reliable control of the composition and textural properties (e.g. crystalline structures, morphologies, roughness, etc.) through plating is an important issue in designing the magnetic functionality of these materials.
The optimal process parameters to obtain Ni-20%Fe deposition were as following: FeSO4·7H20 concentration 6g/L; PH value 2.5; current density 3.5A/dm2; electrolyte temperature 55℃. 2 days 7 days Fig.4 SEM photograph of electroforming Ni-20%Fe alloy Fig.3 Iron content (wt.%) distribution of the Ni-Fe electrodeposits Property of the Ni-Fe plating The properties of Ni-Fe deposit are affected by several factors such as the texture, compositions, etc.
The main properties of the plating were presented as follows: [3,5].
In the present work, we investigated several important factors on the nickel-iron plating composition and electromagnetic property.
Experimental method Since the magnetic properties of Ni-Fe alloys are seriously affected by their compositions and structures, a reliable control of the composition and textural properties (e.g. crystalline structures, morphologies, roughness, etc.) through plating is an important issue in designing the magnetic functionality of these materials.
The optimal process parameters to obtain Ni-20%Fe deposition were as following: FeSO4·7H20 concentration 6g/L; PH value 2.5; current density 3.5A/dm2; electrolyte temperature 55℃. 2 days 7 days Fig.4 SEM photograph of electroforming Ni-20%Fe alloy Fig.3 Iron content (wt.%) distribution of the Ni-Fe electrodeposits Property of the Ni-Fe plating The properties of Ni-Fe deposit are affected by several factors such as the texture, compositions, etc.
The main properties of the plating were presented as follows: [3,5].
Online since: December 2010
Authors: Chun Lin Qiu, Lin Xiu Du, Yong Da Yang, Xiu Hua Gao
Low-carbon micro-alloying niobium elements and TMCP (thermo-mechanical controlled processing) were employed to refine the grains and improve mechanical properties.
This paper investigated the effects of TMCP process on the microstructure and mechanical properties of the rolled FH40 plate.
Results and Discussion The mechanical properties of the rolled plates in tensile tests were characterized at room temperature.
All the factors contributed to the increase in the toughness of the steel at low temperatures with high yield strength.
Summary The microstructure and mechanical properties, such as strength and absorbed energy, of a developed steel were investigated in the paper.
This paper investigated the effects of TMCP process on the microstructure and mechanical properties of the rolled FH40 plate.
Results and Discussion The mechanical properties of the rolled plates in tensile tests were characterized at room temperature.
All the factors contributed to the increase in the toughness of the steel at low temperatures with high yield strength.
Summary The microstructure and mechanical properties, such as strength and absorbed energy, of a developed steel were investigated in the paper.