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Online since: November 2012
Authors: Xiao Li Liu, Xiao Meng Lin, Jun Hong Xu, Shang Sheng Wu
With the multiple properties of the coated substrate, this technology can improve, protect and enhance the function of the substrate.
And the temperature cure of drying unit is one of the most factors that affect the coating quality largely [4].
The coating roll is driven by a servo motor, while the rubber roll is driven by another two servo motors and two cylinders .The two servo motors are used to drive the rubber roll to make translational Fig. 5 Accuracy of coating pattern of the prototype Table 1 Accuracy criteria of coating pattern Mark Condition (V≤8[m/min]) A ≤±0.5[mm] B ≤±0.5[mm] C ≤±0.5[mm] D ≤±0.5[mm] E (E≤700[mm]), ≤±0.5[mm]; (E>700[mm]-1000[mm]); ≤±1[mm] F ≤±0.5[mm] G <5[mm]; (Related to the viscosity of slurry, surface tension of substrate and other factors) H ≤±0.5[mm] I ≤±1[mm]; (Related to the properties of slurries) J ≤±1[mm]; (Related to the properties of slurries) K ≤±2.0[μm] L ≤±3.0[μm] motion, and the two cylinders are used to adjust the horizontal position of it.
Because the bending of comma roll is the most important factor which affects the coating precision largely, most coater manufactures devote the most of their energies to the materials, manufacture and installation of the comma roll .Manufactures also make efforts in the control system of comma roll, using the modern control methods [6].
The manufacture, installation and control of the coating head are key factors which affects the quality, safety and stability of coater largely.
And the temperature cure of drying unit is one of the most factors that affect the coating quality largely [4].
The coating roll is driven by a servo motor, while the rubber roll is driven by another two servo motors and two cylinders .The two servo motors are used to drive the rubber roll to make translational Fig. 5 Accuracy of coating pattern of the prototype Table 1 Accuracy criteria of coating pattern Mark Condition (V≤8[m/min]) A ≤±0.5[mm] B ≤±0.5[mm] C ≤±0.5[mm] D ≤±0.5[mm] E (E≤700[mm]), ≤±0.5[mm]; (E>700[mm]-1000[mm]); ≤±1[mm] F ≤±0.5[mm] G <5[mm]; (Related to the viscosity of slurry, surface tension of substrate and other factors) H ≤±0.5[mm] I ≤±1[mm]; (Related to the properties of slurries) J ≤±1[mm]; (Related to the properties of slurries) K ≤±2.0[μm] L ≤±3.0[μm] motion, and the two cylinders are used to adjust the horizontal position of it.
Because the bending of comma roll is the most important factor which affects the coating precision largely, most coater manufactures devote the most of their energies to the materials, manufacture and installation of the comma roll .Manufactures also make efforts in the control system of comma roll, using the modern control methods [6].
The manufacture, installation and control of the coating head are key factors which affects the quality, safety and stability of coater largely.
Online since: April 2004
Authors: Sang Ll Lee, J.O. Jin, Akira Kohyama
properties of RS-SiC based materials.
The decrease of starting SiC particle size for the preparation of C/SiC complex slurry will affect the microstructure and the mechanical properties of RS-SiC based materials.
In the present study, the microstructure and the mechanical properties of monolithic RS-SiC and RS-SiCf/SiC materials are investigated.
The three point bending test was conducted to investigate the room temperature mechanical properties of all materials.
Especially, the mechanical properties of Hi-Nicalon/SiC composites were evaluated at elevated temperatures of 1000 � and 1300 �.
The decrease of starting SiC particle size for the preparation of C/SiC complex slurry will affect the microstructure and the mechanical properties of RS-SiC based materials.
In the present study, the microstructure and the mechanical properties of monolithic RS-SiC and RS-SiCf/SiC materials are investigated.
The three point bending test was conducted to investigate the room temperature mechanical properties of all materials.
Especially, the mechanical properties of Hi-Nicalon/SiC composites were evaluated at elevated temperatures of 1000 � and 1300 �.
Online since: October 2013
Authors: Zhi De Wang, Li Min Jiang, Yuan You Xia, Man Qing Lin, Yao Yao Pei
Mechanical parameters selection: In numerical simulation, different parameters correspond to different constitutive models.
Fig.8 Stratum Direction and FOS Fig.9 Vertical Displacement and Dip Direction The influence of the rock mass parameters,:Parameters of rock structure surface is one of the dominate factors in the slope stability,the properties of the rock and its surface directly affect the mechanical properties of layer blocks in bedding rock slope.
[8]LU Zengmu,CHEN Congxin,ZUO Baocheng.Experimentation research on factors influencing stability of anti-dip layered slope:Rock and Soil Mechanics, 27,(2006),p.629-633
[9]LI Haibo,XIAO Keqiang,LIU Yaqun.Factor of safety analysis of bedding rock slope under seismic load:Chinese Journal of Rock Mechanics and Engineering,26,(2007),p.2385-2394
[13]ZHAO Shangyi ,ZHENG Yingren ,SHI Weimin.Analysis on safety factor of slope by strength reduction FEM:Chinese Journal of Geotechnical Engineering, 24,(2002),p.343-346.
Fig.8 Stratum Direction and FOS Fig.9 Vertical Displacement and Dip Direction The influence of the rock mass parameters,:Parameters of rock structure surface is one of the dominate factors in the slope stability,the properties of the rock and its surface directly affect the mechanical properties of layer blocks in bedding rock slope.
[8]LU Zengmu,CHEN Congxin,ZUO Baocheng.Experimentation research on factors influencing stability of anti-dip layered slope:Rock and Soil Mechanics, 27,(2006),p.629-633
[9]LI Haibo,XIAO Keqiang,LIU Yaqun.Factor of safety analysis of bedding rock slope under seismic load:Chinese Journal of Rock Mechanics and Engineering,26,(2007),p.2385-2394
[13]ZHAO Shangyi ,ZHENG Yingren ,SHI Weimin.Analysis on safety factor of slope by strength reduction FEM:Chinese Journal of Geotechnical Engineering, 24,(2002),p.343-346.
Online since: October 2010
Authors: Tian Han, Jie Bai, Zhong Jun Yin
Furthermore, the influence factors of transverse vibration response are researched including speed, crack depth, crack angle and eccentricity.
The virtual components of the cracked rotor model established in ADAMS environment will not produce deformation since their original property is rigid.
The crack angle only affects the amplitude of working frequency (1X).
Eccentricity only affected the working frequency and the second harmonic is unchanged.
(3) Crack angle and eccentricity only affect the working frequency (1X).
The virtual components of the cracked rotor model established in ADAMS environment will not produce deformation since their original property is rigid.
The crack angle only affects the amplitude of working frequency (1X).
Eccentricity only affected the working frequency and the second harmonic is unchanged.
(3) Crack angle and eccentricity only affect the working frequency (1X).
Online since: May 2014
Authors: Guo Chiuan Tzeng, Ren Haw Chen
When co-extruding two polymers with different rheological properties, uniformity control of the flow layer at and downstream of the confluence is vital for the quality of multilayered film products.
Another important factor that affects co-extrusion is swelling of the extrudate.
This second normal force is a function of the elastic properties of the materials and is the main cause of instability of the interface.
Wong, “Factors affecting extrudate swell and melt flow rate”, Journal of Materials Processing Technology, Vol. 79, pp. 163-169, 1998
Knobeloch, “Influence of Long-Chain Branching on the Viscoelastic Properties of Low-Density Polyethylenes”, Polymer Engineering and Science, Vol. 16, No. 12, pp. 811-816, 1976
Another important factor that affects co-extrusion is swelling of the extrudate.
This second normal force is a function of the elastic properties of the materials and is the main cause of instability of the interface.
Wong, “Factors affecting extrudate swell and melt flow rate”, Journal of Materials Processing Technology, Vol. 79, pp. 163-169, 1998
Knobeloch, “Influence of Long-Chain Branching on the Viscoelastic Properties of Low-Density Polyethylenes”, Polymer Engineering and Science, Vol. 16, No. 12, pp. 811-816, 1976
Online since: July 2015
Authors: Andreea Căprarescu, Doina Raducanu, Roxana Maria Angelescu, Andreea Daniela Călin Vulcan, Mariana Lucia Angelescu
The osseointegration depends on many factors, such as: the surgical technique, the bone quality, the postoperative care, the implant design, the implant surface treatment.
However it also depends on the thread design of the implant that directly affects the stress distribution and the marginal bone restoration [2].
Nakai, Relationship between various deformation-induced products and mechanical properties in metastable Ti–30Zr–Mo alloys for biomedical applications, Journal of the mechanical behavior of biomedical materials, S4(2011)2009–2016
Gordo, Mechanical behaviour of pressed and sintered titanium alloys obtained from master alloy addition powders, Journal of the mechanical behavior of biomedical materials 15 (2012) 33 – 45
Gloriant, Twinning system selection in a metastable β-titanium alloy by Schmid factor analysis, ScriptaMater., 64 (2011) 1110-1113.
However it also depends on the thread design of the implant that directly affects the stress distribution and the marginal bone restoration [2].
Nakai, Relationship between various deformation-induced products and mechanical properties in metastable Ti–30Zr–Mo alloys for biomedical applications, Journal of the mechanical behavior of biomedical materials, S4(2011)2009–2016
Gordo, Mechanical behaviour of pressed and sintered titanium alloys obtained from master alloy addition powders, Journal of the mechanical behavior of biomedical materials 15 (2012) 33 – 45
Gloriant, Twinning system selection in a metastable β-titanium alloy by Schmid factor analysis, ScriptaMater., 64 (2011) 1110-1113.
Online since: January 2023
Authors: Adwait Gaikwad, Soham Babar, Ayush Bhat, Milind Rane, Sakshi Bade
Furthermore, properties (e.g., a high surface-volume ratio, high mechanical resistance to wear, for and high thermal conductivity, etc.) are unavoidable for being a good braking material.
Properties of Stainless Steel at 20˚C [10].
These differences can be explained as a consequence of better mechanical properties of Ti-6Al-4V like strength-toughness combinations and stiffness as compared to Stainless-steel.
Since the thermal changes affect the physical properties of the disc significantly, if the analysis would have been performed without importing the thermal load the results for stress and deformation show significant decline.
Material used for the disc is one of the most crucial factors that affects the results.
Properties of Stainless Steel at 20˚C [10].
These differences can be explained as a consequence of better mechanical properties of Ti-6Al-4V like strength-toughness combinations and stiffness as compared to Stainless-steel.
Since the thermal changes affect the physical properties of the disc significantly, if the analysis would have been performed without importing the thermal load the results for stress and deformation show significant decline.
Material used for the disc is one of the most crucial factors that affects the results.
Online since: June 2013
Authors: Jiang Min Ding, Xiang Li, Hao Cheng, Guang Fu Zhou
Interfacial performances which affects machine tool bed’s performance includes damping property and mechanical property mainly[3].So the design of compounding process mainly focused on guaranteeing these two properties, and factors which affects interfacial performance includes mainly the surface qualities of silicate cement concrete inner core, temperature and properties of resin concrete.
Take these three factors as criteria to conduct experiments, compounding process will be designed on the basis of experiment results.
Composite concrete machine tool bed model and sensor arrangement is shown in figure6,the test result about first mode of composite machine tool bed is shown in figure7, the simulation result about first mode of composite machine tool bed is shown in figure8, Fig.6 Composite concrete machine tool bed model and sensor arrangement Fig.7 The test result about first mode of composite machine tool bed Fig.8 The simulation result about first mode of composite machine tool bed 4 Summary ⑴ The process of composite concrete manufacturing and compounding is reasonable, which guarantees the properties of high damping ratio, high stiffness ratio, corrosion resistance, cracking resistance, small thermal deformation and so on. ⑵ Composite concrete has excellent performance, especially the high damping ratio property.
Take these three factors as criteria to conduct experiments, compounding process will be designed on the basis of experiment results.
Composite concrete machine tool bed model and sensor arrangement is shown in figure6,the test result about first mode of composite machine tool bed is shown in figure7, the simulation result about first mode of composite machine tool bed is shown in figure8, Fig.6 Composite concrete machine tool bed model and sensor arrangement Fig.7 The test result about first mode of composite machine tool bed Fig.8 The simulation result about first mode of composite machine tool bed 4 Summary ⑴ The process of composite concrete manufacturing and compounding is reasonable, which guarantees the properties of high damping ratio, high stiffness ratio, corrosion resistance, cracking resistance, small thermal deformation and so on. ⑵ Composite concrete has excellent performance, especially the high damping ratio property.
Online since: October 2021
Authors: Yuh Ping Chang, Chien Te Liu, Jin Chi Wang, Li Ming Chu, Gao Wei Chen
Due to the booming development of the automation industry and the transportation industry, the mechanical components are prone to wear under long-term operating conditions.
Jandaghi et al. [1] studied the influence of the rolling direction on the aluminum- manganese-silicon sheet and learned that the accumulation of a large number of differential dislocations and plastic deformations will change the mechanical properties such as hardness and strength.
Curle [2] mentioned that the mechanical properties will change with the strengthening precipitates, and established the relationship of the mechanical properties and the strengthening precipitates.
Various factors will affect the hardness, tensile strength, ductility and corrosion resistance of aluminum alloy.
The reciprocating friction tester with the measuring systems is used to study the wear properties between the interfaces, as shown in Figure 1.
Jandaghi et al. [1] studied the influence of the rolling direction on the aluminum- manganese-silicon sheet and learned that the accumulation of a large number of differential dislocations and plastic deformations will change the mechanical properties such as hardness and strength.
Curle [2] mentioned that the mechanical properties will change with the strengthening precipitates, and established the relationship of the mechanical properties and the strengthening precipitates.
Various factors will affect the hardness, tensile strength, ductility and corrosion resistance of aluminum alloy.
The reciprocating friction tester with the measuring systems is used to study the wear properties between the interfaces, as shown in Figure 1.
Online since: September 2011
Authors: De Cai Li, Qing Lei Wang, Fan Wang
The application of magnetic fluids is concentrated in their properties in these areas, and liquid surface tension coefficient is an important physical properties.
We carried out a series of experiments to explore the factors including different temperatures and different volume of surfactant that affect surface tension coefficient for magnetic fluid, obtained the expression of magnetic fluid surface tension coefficient and the temperature or surfactant.
Considering the above two cases, the actual surface tension coefficient P should be the measured surface tension α multiplied by correction factor b, that is: P=α ´ b.
If we cannot tune to 000.0, we must adjust the mechanical zero point.
Figure 6 The curve of magnetic fluid surface tension coefficient and the addition volume of surfactant Conclusion We carried out a series of experiments to explore the factors including different temperatures and different volume of surfactant that affect surface tension coefficient for magnetic fluid.
We carried out a series of experiments to explore the factors including different temperatures and different volume of surfactant that affect surface tension coefficient for magnetic fluid, obtained the expression of magnetic fluid surface tension coefficient and the temperature or surfactant.
Considering the above two cases, the actual surface tension coefficient P should be the measured surface tension α multiplied by correction factor b, that is: P=α ´ b.
If we cannot tune to 000.0, we must adjust the mechanical zero point.
Figure 6 The curve of magnetic fluid surface tension coefficient and the addition volume of surfactant Conclusion We carried out a series of experiments to explore the factors including different temperatures and different volume of surfactant that affect surface tension coefficient for magnetic fluid.