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Online since: September 2016
Authors: Hong Liang Pan, Zheng Dong Wang, Jian Jun Chen, Quan Sun, Da Qian Zan
Different reductions were the mainly analysis factor which can study the extent of the edge crack extension by presetting the edge notch.
Introduction The cold rolling steel sheet has excellent flatness and high production efficiency properties, which makes it widely used in the automobile, energy sources and chemical industry.
In the cold rolling process, the stress state is complicated and affected by rolling force, friction, reduction ratio and rolling tension etc.
(b) In-Situ SEM three point bending specimen Fig.3 Experiment fixture (a) thin-plate tensile test fixture, (b) In-Situ SEM three point bending test fixture Determination of the cohesive parameters The material’s mechanical properties were obtained by uniaxial tensile test as: the elasticity modulus E=205 GPa, Poisson’s ratio ν = 0.3, and the engineering tensile strength, Rm = 350 MPa, the yield strength, σy = 278 MPa.
In this experiment, the reduction ratio was analyzed as an important factor which can affect the V-shape notch edge crack extension in one cold rolling process.
Online since: February 2013
Authors: Jun Ho Lee, Haeng Bok Lee, Dae Yoon Jung, Byeong Jun Kim, Seong S. Cheon
Sadeghi et al. performed the Taguchi’s method of assessed several factors affecting soil erosion [5].
In case of applied material properties inside gimbal, target mass of structure is 25.1kg.
The total of case of using Table 3 and then combining applied material properties housing and gimbal Frame is 36 cases.
If Inside gimbal’s material properties were applied differentially according to circumstances, the result of simulation is regarded as not reliability.
Behnia, Soil erosion assessment and prioritization of affecting factors at plot scale, J.
Online since: April 2025
Authors: Syed Awais Ahmed, Syed Inamullah, Syed Nasir Shah, Mohammad Umair Kasi, Mohammad Aslam
Additionally, various factors, including aggregate gradation, cementitious material content, and compaction efforts, influence the void content of PC [1].
The research aims to examine how incorporating pumice, a lightweight volcanic material, as a fine aggregate affects the properties of pervious concrete.
Table 1 Shows the Properties of Pumice Stone.
Raman, “Properties of pervious concrete - A state of the art review,” Mater.
High-Strength Concrete Properties and Difference
Online since: December 2012
Authors: Tian Jiao Jia, Yong Li
Now China has a lot of low-efficiency, large- pollution and small-capacity captive power plant, it is not conducive to energy conservation, also affect the power company electricity sales, so we should achieved “ordering power by heat” to limit the actual generated energy that does not belong to the generated energy based on “ordering power by heat”.
Nearly one-third generated energy of some of the captive power plant is not really belong to the generated energy that based on “ordering power by heat”, thus affecting the electricity sales of the power company.
(2) where, is main stream flow, kg/s; is turbine effective enthalpy drop, kJ/kg; andare turbine regenerative heating of extraction, and heat extraction share; andare turbine regenerative heating of extraction and insufficient heating extraction acting factor; is steam turbine regenerative heating of extraction steam flow, kg/s; the i is series of regenerative heating of extraction steam (i=1,2,…,8); the h is heating extraction [1].
We access to the import and export refrigerant temperature and pressure of all levels of the heater of the steam side and water side in steam turbine thermal test, by means of the h-s diagram or table of thermodynamic properties of water and water vapor we can get the steam water enthalpy of entrances at all levels of the heater, then we can apply the calculation of the heater conventional heat balance equation to calculate the regenerative heating of extraction steam flow in the test conditions at all levels; we use the value benchmark of deaerator inlet condensate flow measurement in the specification of Chinese GB8117-87 and the American Society of Mechanical Engineers PTC6-2004 and other thermal test to calculate the water flow through the regenerative system flow balance, then launch the main steam flow.
(6) where, is the mechanical efficiency of the turbine; is generator efficiency [2].
Online since: July 2013
Authors: Yang Kai
Functional properties of nanostructured materials are different from that of conventional materials, the relevant technology to decide the rapid development and wide application space.
To illustrate the performance index filling nanometer CaCo3 monofilament in tensile strength, elongation and dry heat shrinkage rate and mechanical properties is far more than the mainstream products in the domestic similar.
This can store energy for textiles, while retaining the mechanical properties of fabric.
Effects of nano materials on cell are in many aspects, including the induction of cell apoptosis, cell cycle, induce the release of inflammatory factors, induce oxidative stress, reduced cell adhesion col etc..
ROS is the result of nanoparticles cause inflammation and toxicity, main factors.
Online since: July 2019
Authors: Yu Chen Lin, Wen Teng Wang
And it means that there are some important factors not considered in the study.
The size of the grain will affect the PLA properties.
When the grain size is larger than 100 μm, it will reduce the PLA mechanical properties.
"Mechanical properties of rice husks fiber reinforced polyester composites."
Urquiza, “Effect of the Recycling and Annealing on the Mechanical and Fracture Properties of Poly(Lactic Acid)”, J Polym Environ, Vol. 18 (2010), p. 654–660
Online since: January 2015
Authors: Agata Dudek, Jacek Selejdak, Robert Ulewicz, Grzegorz Sońta
Based on microstructure and mechanical properties analysis performed according to requirements applicable in the automotive industry, the research found that steel 42CrMo4 is relevant material to be used in serial production for this particular gear wheel.
Gear wheel which is a part of one of the mechanical systems of an automotive vehicle made of sinter Sint-D 32 and alloy structural steel 42CrMo4 for quenching and tempering has been analyzed from structure and functional properties point of view.
It was found during completed microstructure and mechanical properties analysis performed according to requirements applicable in the automotive industry and part’s specific engineering specification that steel 42CrMo4 is relevant material to be used in serial production for this particular gear wheel as a replacement for sinter Sint-D32.
Bałaga, Methods for testing the properties of materials, Częstochowa University of Technology Publishing House, Częstochowa, 2011 [in Polish]
Radek, The estimation of accuracy for the neural network approximation in the case of sintered metal properties, Studies in Computational Intelligence 513 (2014) 125-134
Online since: June 2014
Authors: Xiao Wei Wei, Jian Hui Qiu, Li Jun Wang, Eiichi Sakai
Because of their unique structure, excellent mechanical, thermodynamic, conductive properties and high aspect ratio features, it has been as a typical one-dimensional material [2, 3].
Considering effective realization of excellent properties of carbon nanotubes (CNTs) in CNTs reinforced polymer composites [8-10], there is still a great challenge in achieving alignment of CNTs in polymer matrix.
Fig.1 SEM image of MWCNTs Electrical property test.
The MWCNTs content was the main factor which would affect the resistivity.
Large-scale fabrication and electrical properties of an anisotropic conductive polymer composite utilizing preferable location of carbon nanotubes in a polymer blend.
Online since: December 2010
Authors: Yu Min Zhang, You Po Su, Jing Yu Su
Introduction The dynamic characteristics of the concrete, strictly speaking, are the strain rate dependence of concrete properties.
Obviously, there will be large errors to calculat concrete by static mechanical parameters.
Bischoff [2] DM and Pavlovic (2007) [3] gathered the research results about concrete compressive properties affected by loading rate, such as fracture properties of concrete, strength, elastic modulus, critical strain and Poisson's ratio.
Malvar [4] [5] summarized the research results about uniaxial tensile properties of concrete affected by loading rate.
Dynamic increase factors for concrete.
Online since: June 2017
Authors: Zheng Xing Men, Ya Xin Ma, Tai We Yue, Rui Lin Liu
Compared with the casting, the forging rack can greatly improve the mechanical properties and the service life.
The reliability of its operation directly affects the performance level of whole machine system.
Compared with casting forming, the forging can eliminate the defects of the casting state caused by the metal in smelting process, and optimize the microstructure of the metal, and also can improve the mechanical properties of the parts by keeping the integrity of the metal flow line [7-11].
When calculating the size of blanking of the heavy rack for ship lift, some factors should be conceded: 1) In the process of free forging, the metal will flow along the axis of the forging, which will reduce the section metal and increase the forging length.
Influence of hot-rolling parameters on microstructure and magnetic properties of non-oriented electrical steel.
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