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Online since: July 2011
Authors: Yong Ding, Ke Bin Jiang, Li Chen, Qi Lin Zhao
The mechanical properties of the composite are greatly affected by the curing of the polymer affects, and the curing of the polymer mainly depends on the control of the processing temperature and speed [1].
Primary range determination of the pultrusion processing parameters Influencing factors of polymer curing during pultrusion.
Pultrusion processing parameter optimization basing on the product mechanical properties The ranges of pultrusion processing temperatures and pultrusion processing speed were further optimized basing on the characterization of product mechanical properties.
The combination of processing parameters that corresponding to the best mechanical properties of product would be the most ideal.
It is confirmed by the production practice and the mechanical test results that this method can satisfy the need of hybrid fiber composite pultrusion production, and can lead to better mechanical properties.
Online since: September 2013
Authors: Wen Bai Liu, Xiao Yan Yang, Jia Jun Wang, Wen Hui Shi
Research on the mechanical properties of the same curing agent of different soil dredged mud.
There are a lot of researchers having researched on the mechanical properties of the soil.
Study and make comparative analysis on the mechanical properties of dredged mud with and without curing agent.
[4] He Zhongrun, Wang Xiaochu, The analysis on the influencing factors of coarse grained soil direct shear tests [J].
[5] Liu Jun, Xu Haibo, Zhuo Huiying, The analysis on the influencing factors of soil direct shear tests [J].
Online since: December 2010
Authors: Jing Hua Jiang, Ping Hua Lin, Dan Song, Aibin Ma
The corrosion behavior was also affected by the ECAP factors especially the press pass number and the pressing temperature.
Finally some prospects of making UFG materials combined with high mechanical property and good corrosion resistance by ECAP technology were expounded.
Most investigations of UFG material fabricated by ECAP have been focused on the structural characterization, thermal stability, microhardness and mechanical properties.
Thorpe et al. have revealed [5] hat UFG materials may appear enhanced corrosion properties.
On the other hand, study the effect of the whole ECAP factors to the corrosion behavior synthetically, then optimize these ECAP parameters and use some post heat treatments like annealing or ageing to gain UFG materials combined with high mechanical property and good corrosion resistance will be the developing direction of the ECAP technology.
Online since: August 2013
Authors: Ran Shi, An Ping Qiu, Jian Zhao, Guo Ming Xia
MEMS Inertial Technology Research Center, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, China awhatghosts@hotmail.com, belfevil007@126.com, capqiu@mail.njust.edu.cn, dxiaguoming@mail.njust.edu.cn Keywords: silicon resonant accelerometer, resonant frequency, temperature self-compensation Abstract: Temperature is one of the most important factors affecting the accuracy of micromechanical silicon resonant accelerometer (SRA).
The temperature fluctuation can cause changes in material properties, geometrical size and mechanical properties, which would affect the temperature coefficient of bias and scale factor of the SRA.
The results of self-compensated scale factors at different temperatures are shown in Table. 4 and Fig. 7.
For comparison, the uncompensated scale factors at different temperature are also illustrated in red line.
Fig. 7 Scale factor vs. temperature Table. 4 Scale factors of SRA in different temperatures Temperature (℃) scale factor of temperature self-compensated SRA(g/g) scale factor of uncompensated SRA(Hz/g) 0 1.000086 81.42 10 0.999895 82.07 20 0.999998 82.72 30 0.999754 83.38 40 0.999710 84.02 Conclusion The method of temperature self-compensation for SRA presented in this paper can realize the temperature compensation for bias and scale factor simultaneously with no need for the temperature sensor.
Online since: October 2007
Authors: Chen Rong, Hong Hua Wang, Di Zhang
Thermo mechanical processing, ageing, recrystallization after cold working was conducted to change the mechanical properties.
We used thermo mechanical processes to change the structure and properties of the alloys.
Results Structure, Mechanical Properties After forging into a bar, the specimens were made the solute treatment at 1273K/30minutes.
Table1 shows the mechanical properties of new titanium alloy at different thermo mechanical process.
Welsch, Effects of oxygen and heat treatment on the mechanical properties of Alpha and beta titanium alloys, Metall.
Online since: November 2023
Authors: Roberto Montanari, Alessandra Varone, Andrea Di Schino, Claudio Testani, Giulia Stornelli
The mechanical properties were investigated through Vickers hardness tests (load of 5 kg) and tensile tests.
Baumgärtner, Improvement of EUROFER’s mechanical properties by optimized chemical compositions and thermo-mechanical treatments, Nuclear Materials and Energy, 16 (2018) 88–94
Pilloni, Effect of thermo-mechanical parameters on the mechanical properties of Eurofer97 steel for nuclear applications, Open Engineering, 8 (2018) 349–353
Bozzetto, Mechanical properties of several newly produced RAFM steels with Tungsten content in the range of 2 wt%, Nuclear Materials and Energy, 25 (2020) 100793
Varone, Grain refinement and improved mechanical properties of eurofer97 by thermo-mechanical treatments, Applied Sciences (Switzerland), 11 (2021) 10598
Online since: January 2013
Authors: Tie Jun Wang, Wei Xu Zhang, Luo Chuan Su, Jian Guo Li
The cyclic plasticity is affected by the properties of constituent materials, which vary observably with the service temperature.
Many research results have confirmed that the displacement instability of the thermally grown oxide (TGO) layer, the most vivid manifestation of which is the downward displacement of TGO into bond coat (BC), is one of the critical factors that control the failure of the systems [1].The accumulation of cyclic plasticity in BC is considered as the most relevant factor that controls the instability [1-3].
The changes of these material properties would affect the instability and the accumulation of plastic strain [1, 6].
Therefore, understanding the mechanism of these temperature-dependent properties affecting the instability and the plastic deformation is significant for controlling the failure of the system.
Temperature-dependent properties (PEEQ) High temp. properties (PEEQ) Low temp. properties (PEEQ) Fig. 2.
Online since: November 2021
Authors: Hua Ding, Ying Long Li, Si Yang Xu, Mu Xin Zhang, Yi Fu Jiang
Effect of Heat Treatment Conditions on Microstructures and Mechanical Properties of Cu-9Ni-6Sn-0.22Nb Alloy Si.
Among these affecting factors, the precipitates play an important role, and more precipitates improve electrical conductivity.
Jie, Effect of V addition on microstructures and mechanical properties of Cu-15Ni-8Sn alloy, Mater.
Li, Effect of direct current pulses on mechanical and electrical properties of aged Cu-Cr-Zr alloys, Mater.
Xing, Effect of thermo-mechanical treatment on microstructure and properties of Cu-15Ni-8Sn alloy Rare Metal Mater.
Online since: February 2014
Authors: Zhong Ping Guo, Fan Feng, Sha Sha Yan, Chun Han, Wan Peng Huang
Analysis of influence factors on filling body stability Theory and pratical research shows there are many factors affecting the stability of filling body, which can be attributed to the geological factors, mining factors and strip filling body mechanics.
The mechanical properties of filling body.Mainly refers to the elastic modulus of cementing filling body, cohension and internal friction angle, etc.
These are main factors affecting the strength of filling body, and have great influence on strength and stability of filling body.
Under the certain condition of roof and floor, if the mining depth and mining height have been determined, the filling rate and mechanical parameters of filling body are the main factors affecting the plastic zone breadth of filling body.
The filling rate and mechanical parameters of filling body are major factors that affect plastic zone breadth of filling body.
Online since: September 2012
Authors: Wei Min Wang
Discussion on the effect factors of the conductivity performance of PEO-based polymer electrolyte Wei-Min Wang Department of Preparatory Courses, Shenyang Institute of Engineering, Shenyang 110136, China Keywords: effect factors; PEO; conductivity; electrolyte Abstract.
Organic plasticizer, not only relates to consider the influence of the electrolyte conductivity, but also pay attention to the impact of the plasticizer on the other properties of the electrolyte.
Needs to be emphasized is that the plasticizer has a softening effect, the affect of the amount of electrolyte mechanical properties, use can not be too much to prevent the decline of mechanical properties of the electrolyte.
In addition, nano-inorganic particles can be well dispersed and transfer stress significantly improved mechanical properties.
McLachlan and Landauer, who, on the basis of the Bruggemann theory, the development of effective medium theory and the general effective medium equation, a wider range of applications of the theory, not only can be used to describe the conductive properties of the composite polymer electrolyte can also be used analysis of magnetic properties and thermal conductivity of non-conductive.
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