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Online since: October 2015
Authors: Wojciech Borek, Leszek Adam Dobrzański, Janusz Mazurkiewicz
An advantageous array of mechanical properties achieved by such steels, i.e.
Influence of various parameters of thermo-mechanical treatment on mechanical properties of high manganese X8MnSiAlNbTi25-1-3 TWIP-type steel: yield strength Rp0.2, tensile strength Rm and total elongation eum On the figure 4 are presented results mechanical properties of new developed high-manganese TWIP-type steel, with various structures after various variants of thermo-mechanical treatments.
The high-manganese austenitic steels with the properly formed structure and properties and especially with the big strain energy per unit volume yield the possibility to be used for the constructional elements of cars affecting advantageously the passive safety of the vehicles' passengers.
Mazurkiewicz, Mechanical properties of high-manganese austenitic TWIP-type steel, Materials Science Forum 783-786 (2014) 27-32
Mazurkiewicz, Structure and mechanical properties of high-manganese steels, Comprehensive Materials Processing 2 (2014) 199+218
Influence of various parameters of thermo-mechanical treatment on mechanical properties of high manganese X8MnSiAlNbTi25-1-3 TWIP-type steel: yield strength Rp0.2, tensile strength Rm and total elongation eum On the figure 4 are presented results mechanical properties of new developed high-manganese TWIP-type steel, with various structures after various variants of thermo-mechanical treatments.
The high-manganese austenitic steels with the properly formed structure and properties and especially with the big strain energy per unit volume yield the possibility to be used for the constructional elements of cars affecting advantageously the passive safety of the vehicles' passengers.
Mazurkiewicz, Mechanical properties of high-manganese austenitic TWIP-type steel, Materials Science Forum 783-786 (2014) 27-32
Mazurkiewicz, Structure and mechanical properties of high-manganese steels, Comprehensive Materials Processing 2 (2014) 199+218
Online since: March 2016
Authors: Qing Li, Jin Xia Song, Wei Peng Ren, Qiang Huang, Xin Guang Guan, Hao Chen
During process of vacuum heat treatment gas quenching pressure and gas quenching manner are the critical factors which will determine the microstructures and mechanical properties.
In other words, influence of aging treatment on mechanical properties is weakened gradually with increasing cooling rate.
Therefore, mechanical properties of cylindrical specimens are logically more excellent than those of flat specimens.
Although there exist differences between cylindrical specimens and flat specimens, variation rules of mechanical properties are similar.
Fig. 7 Mechanical properties of cylindrical specimens: (a) room temperature tensile property, (b) stress-rupture property at 975°C/225MPa Fig. 8 Mechanical properties of flat specimens: (a) room temperature tensile property, (b) stress-rupture property It is a well-known fact that γ' precipitates inhibit the movement of dislocation in the superalloys.
In other words, influence of aging treatment on mechanical properties is weakened gradually with increasing cooling rate.
Therefore, mechanical properties of cylindrical specimens are logically more excellent than those of flat specimens.
Although there exist differences between cylindrical specimens and flat specimens, variation rules of mechanical properties are similar.
Fig. 7 Mechanical properties of cylindrical specimens: (a) room temperature tensile property, (b) stress-rupture property at 975°C/225MPa Fig. 8 Mechanical properties of flat specimens: (a) room temperature tensile property, (b) stress-rupture property It is a well-known fact that γ' precipitates inhibit the movement of dislocation in the superalloys.
Online since: August 2018
Authors: K. Tejonadha Babu, S. Muthukumaran, C.H. Bharat Kumar
Considerable grain refinement and enhanced mechanical properties were obtained in UWFSW joints.
Mechanical properties of weldment depend on microstructure, leading in turn to the increase in tensile properties and hardness.
Mechanical properties characterization.
The weld metal microstructure has an important influence on mechanical properties of FSW weld.
Two factors, grain size and softening effect influence the hardness of the SZ.
Mechanical properties of weldment depend on microstructure, leading in turn to the increase in tensile properties and hardness.
Mechanical properties characterization.
The weld metal microstructure has an important influence on mechanical properties of FSW weld.
Two factors, grain size and softening effect influence the hardness of the SZ.
Online since: February 2014
Authors: Zakaria Boumerzoug, Lakhdar Lakhdari
In this work, the effect of isothermal heat treatments on microstructure evolution and mechanical properties after welding by induction of A37 pipeline steel have been studied by scanning electron microscopy, hardness measurements, and tensile tests.
The purpose of this present work was to study the effect of heat treatment on microstructures and mechanical properties after induction welding of A37 pipeline steel.
The variation in properties across the weld can be attributed to several factors, mainly to residual stresses just after welding.
On the other hand, other factors can contribute to this hardening like grain size, phase composition, metallic inclusions.
Conclusion In summary, the effect of isothermal heat treatments on microstructure evolution and mechanical properties after welding by induction of A37 pipeline steel have been studied by using optical microscopy, SEM, microhardness measurements, and tensile tests.
The purpose of this present work was to study the effect of heat treatment on microstructures and mechanical properties after induction welding of A37 pipeline steel.
The variation in properties across the weld can be attributed to several factors, mainly to residual stresses just after welding.
On the other hand, other factors can contribute to this hardening like grain size, phase composition, metallic inclusions.
Conclusion In summary, the effect of isothermal heat treatments on microstructure evolution and mechanical properties after welding by induction of A37 pipeline steel have been studied by using optical microscopy, SEM, microhardness measurements, and tensile tests.
Online since: May 2014
Authors: Xiao Chen, Li Shun Chen, Jian Tong Xu, Zhong Yang
This report studied the influence of effects such as type, modulus, dosage of the alkali-activator on mechanical properties of slag-based geopolymer.
For now, at home and abroad, scientists undertook a large number of relevant study concerning about alkali-activator type, yield and modulus to the influence of mechanical properties of metakaolin-based and fly ash-based geopolymer [5, 6, 7].
Table 2 Influence of alkali-activator types on slag-based geopolymer’s mechanical properties at early age.
Influence of alkali-activator modulus on slag-based geopolymer’s mechanical properties at early age Fixed activator content is 12%, modulus respectively chosen 0.25, 0.5, 0.75, 1 and so on.
[5] Van JAARSVELD J S G,Van DEVENTER J S J,LORENZEN L.Factors affecting the immobilization of metals in geopoly-merized fly ash[J].Met Mater Trans(B),1998,29:283 -291
For now, at home and abroad, scientists undertook a large number of relevant study concerning about alkali-activator type, yield and modulus to the influence of mechanical properties of metakaolin-based and fly ash-based geopolymer [5, 6, 7].
Table 2 Influence of alkali-activator types on slag-based geopolymer’s mechanical properties at early age.
Influence of alkali-activator modulus on slag-based geopolymer’s mechanical properties at early age Fixed activator content is 12%, modulus respectively chosen 0.25, 0.5, 0.75, 1 and so on.
[5] Van JAARSVELD J S G,Van DEVENTER J S J,LORENZEN L.Factors affecting the immobilization of metals in geopoly-merized fly ash[J].Met Mater Trans(B),1998,29:283 -291
Online since: March 2024
Authors: Aria Wira Yuda, Amir Arifin, Irsyadi Yani, Barlin Oemar
As this material has several very advantageous properties, leading to increasing applications in various industries, it is seldom used in mechanical engineering applications due to its tribological properties, which are unfavourable.
The review seeks to offer an understanding of how the predominant processing factors, specifically temperature and time, affect the microstructure and the creation of novel phases.
Therefore, this article conducted a comprehensive evaluation of previous research papers to improve our comprehension of the titanium nitriding procedure and the impact of different factors on its performance, with a specific emphasis on how they influence mechanical properties.
Mechanical, wear, corrosion and biological properties of arc deposited titanium nitride coatings.
Effect of hydrogen on microstructure and mechanical properties of plasma-nitrided pure titanium by cathodic cage plasma nitriding.
The review seeks to offer an understanding of how the predominant processing factors, specifically temperature and time, affect the microstructure and the creation of novel phases.
Therefore, this article conducted a comprehensive evaluation of previous research papers to improve our comprehension of the titanium nitriding procedure and the impact of different factors on its performance, with a specific emphasis on how they influence mechanical properties.
Mechanical, wear, corrosion and biological properties of arc deposited titanium nitride coatings.
Effect of hydrogen on microstructure and mechanical properties of plasma-nitrided pure titanium by cathodic cage plasma nitriding.
Online since: December 2011
Authors: A.K. Mukhopadhyay, Chandan Mondal, K. Chattopadhyay, Ashok Kumar Singh
Mechanical Property Anisotropy of 7010 Aluminum Alloy Sheet having Single Rotated-Brass Texture
C.
Introduction The mechanical properties of wrought aluminum alloys often vary considerably with the direction of measurements.
Among these, crystallographic texture is considered to be the single most important parameter in determining mechanical and plastic properties of aluminum alloys.
Assuming a perfect texture, Schmid factors can be determined as a function of orientation to the rolling direction assuming octahedral slip on {111}á110ñ systems (Fig.2b).
The reciprocal of the maximum Schmid factors at each orientation gives an indication of the relative stress at which the materials begin to undergo plastic deformation (Fig. 2c).
Introduction The mechanical properties of wrought aluminum alloys often vary considerably with the direction of measurements.
Among these, crystallographic texture is considered to be the single most important parameter in determining mechanical and plastic properties of aluminum alloys.
Assuming a perfect texture, Schmid factors can be determined as a function of orientation to the rolling direction assuming octahedral slip on {111}á110ñ systems (Fig.2b).
The reciprocal of the maximum Schmid factors at each orientation gives an indication of the relative stress at which the materials begin to undergo plastic deformation (Fig. 2c).
Online since: May 2015
Authors: Fang Gu, Xiao Li Mao, Jia Hong Zhang, Yi Xian Ge, Min Li, Xian Ling Zhang
The elastic mechanical properties of silicon nanocantilevers are of prime importance in biotechnology and nanoelectromechanical system (NEMS) applications.
Therefore, in order to make these NEMS applications reliable, the exact evaluation of mechanical properties of silicon nanocantilevers is essential and critical.
It is noted that most of the previous researches focus on the influences of surface effects on the size-dependent mechanical properties.
These factors may significantly affect the elastic properties of silicon nanocantilevers.
Ge, Mechanical properties of silicon nanobeams with an undercut evaluated by combining the dynamic resonance test and finite element analysis, Chin.
Therefore, in order to make these NEMS applications reliable, the exact evaluation of mechanical properties of silicon nanocantilevers is essential and critical.
It is noted that most of the previous researches focus on the influences of surface effects on the size-dependent mechanical properties.
These factors may significantly affect the elastic properties of silicon nanocantilevers.
Ge, Mechanical properties of silicon nanobeams with an undercut evaluated by combining the dynamic resonance test and finite element analysis, Chin.
Online since: December 2025
Authors: Shang Yang Yang, Long Yun Zhang
Fracture development of rock mass is an important factor affecting the stability of cliff stone relics noumenon.
Rock Mechanical Properties of Cultural Relics Basic Physical Parameters of Rocks.
The composition and structure of rocks are important factors affecting rock permeability.
Conclusion This article takes the Tieshan Cliff Carvings as the engineering background, and uses non-destructive testing, mechanical testing of cultural relics rock mass, and microscopic testing to study the mechanical properties of cultural relics rock mass.
In summary, studying the mechanical properties and damage mechanisms of stone cultural relics under complex conditions is of great significance for the protection of stone cultural relics.
Rock Mechanical Properties of Cultural Relics Basic Physical Parameters of Rocks.
The composition and structure of rocks are important factors affecting rock permeability.
Conclusion This article takes the Tieshan Cliff Carvings as the engineering background, and uses non-destructive testing, mechanical testing of cultural relics rock mass, and microscopic testing to study the mechanical properties of cultural relics rock mass.
In summary, studying the mechanical properties and damage mechanisms of stone cultural relics under complex conditions is of great significance for the protection of stone cultural relics.
Online since: September 2013
Authors: Guo Hui Wang, Yong Peng Xie
The mechanical stimulation can affect the biological function of lung cells, but little is known about the effects on biomechanical properties of lung fibroblasts.
However, little is known about the effects of mechanical stimulation on lung fibroblasts biomechanical properties.
However, little is known about the effects of mechanical stimulation on lung fibroblasts biomechanical properties.
Our findings showed that: the mechanical stimulation could regulate the viscoelasticity of lung fibroblasts and the biomechanical factor is important for the biochemical and biomechanical properties of the cells in the process of growth and development of lung.
“Viscoelastic properties of scleral fibroblasts in experimental myopia”.
However, little is known about the effects of mechanical stimulation on lung fibroblasts biomechanical properties.
However, little is known about the effects of mechanical stimulation on lung fibroblasts biomechanical properties.
Our findings showed that: the mechanical stimulation could regulate the viscoelasticity of lung fibroblasts and the biomechanical factor is important for the biochemical and biomechanical properties of the cells in the process of growth and development of lung.
“Viscoelastic properties of scleral fibroblasts in experimental myopia”.