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Online since: September 2013
Authors: Xiu Li Xia
Waterproof coating fabric after sewing, the durability and water proofing property is affected for the seam.
Under the premise of the fabric can play a role in waterproof, permeability is a key factor affecting the wearing comfort of human body.
There are many factors that Waterproof and breathable performance will be affected for the waterproof and breathable coating fabric.
The role of surface coating processing is to give good mechanical strength, wear-resisting property, scrub resistance and other apparent performance.
[6] Chengxian Gao, The performance and its influencing factors to functional waterproof and breathable coated fabric [J].
Online since: September 2011
Authors: Hong Jun Li, Xu Pin Zhuang, Bo Wen Cheng, Xiao Ning Jiao, Lei Shi, Men Qin Li
Structure and properties.
Results and discussions Structure and physical properties analysis.
The nonwoven fabrics of different structure were designed and their physical and mechanical properties were listed in table 1.
The heat transfer mechanism is very complex, and the heat transfer directly affects the thermal conductivity, insulation, thermal resistance, and many other thermal properties of textiles.
The acoustic absorption properties of nonwoven fabrics are affected by the thickness of the material, air flow resistance, the structure factor, porosity, materials and finishes behind the air layer and other factors.
Online since: September 2006
Authors: E.C. Oliver, Philip J. Withers, Stewart W. Williams, Andrew Wescott, David G. Richards, Phil B. Prangnell
Geometry Effects When Controlling Residual Stresses in Friction Stir Welds by Mechanical Tensioning D.G.
Previously, an FE model was used to investigate the effectiveness of the mechanical tensioning technique [4].
The metal flow and mechanical effects of the tool were not considered.
The material and thermal-physical properties used were for a standard AA2024 alloy [9].
Above this point there is a progressive improvement in the affects of mechanical tensioning according to each decrease in speed.
Online since: July 2014
Authors: Dan Li, Jun Lin Tao, Shuang Bin Yang
The factors affecting damage model of reinforced concrete slab, standoff distance and explosives location, were analyzed.
Introduction The mechanical responses of reinforced concrete under the effects of dynamic loads are complicated.
The influencing factors include the amount of explosives and distance from the explosives to the RC slab.
Xiangbai Zhang[6] point out that the damage patterns on the slabs in the tests were classified as explosive catering, spalling, perforation; and punch that the spalling thickness is related to the amount of charge, the thickness, and the strength properties of the slab.
Online since: April 2014
Authors: Qi Zhong Huang, Kai Yang, Xian Tang, Rong Hu, Zhi Yong Xie
The effects of resin carbon content and subsequent heat-treatment process parameters on the properties of carbon paper were studied.
The results show that: the resin carbon content is an important factor to affect the density, thickness, through-plane resistivity and porosity of carbon paper.
A problem may be faced that resin is difficult to disperse to form continuous matrix on the carbon fiber surface during the impregnation molding process, which significantly decreases the properties of carbon paper.
In order to obtain carbon paper with more excellent comprehensive properties, many studies on carbon paper modification research have been conducted.
[7] Yang J B, Ling L C, Liu L, et al, Preparation and properties of phenolic resin-based activated carbon spheres with controlled pore size distribution, Carbon. 40(2002)911-916
Online since: December 2010
Authors: H. Zhang, W.D. Li
Li 1,b 1 College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan Shanxi 030024, China a sxczzh@126.com, blwd4112@163.com Keywords: Fluid Magnetic Abrasive (FMA),Rheological property,Finishing mechanism Abstract.
The fluid magnetic abrasive (FMA) is a new kind of finishing technology, which are developed based on the rheological properties of magnetorheological fluid and magnet fluid[1].
While, two factors are required.
In this razor-thin layer, the movement velocity of the abrasive particles of FMA is far less than that of the workpiece because of the affecting of shearing stress.
Demchuk: "Structure Physical Properties and Dynamics of Magnetorheological Suspensions", Multinhase Flow, Vol. 12 (1986) No. 6, p.935-955
Online since: November 2012
Authors: Xiao Qiong Zhang, Wei Guo Guo, De Shuan Kong
Hence the mechanical property of composite with an open-hole has strongly attracted researcher interest.
Now the mechanical properties of composite under different environment have strongly attracted concerns of researches.
Tensile strength in low temperature environment is subjected to the combine influences of fiber and matrix properties, so it caused the tensile strength decreasing.
This is because the properties of matrix in wet-thermal environment will deteriorate on contact with humidity and high temperature, but fiber performance degradation is small.
As a general rule, tensile strength of composite is mainly depend on tensile properties of fiber, while carbon fiber is affected by wet-thermal aging slightly, so the tensile strength decline is not obvious.
Online since: March 2014
Authors: Ping Cao, Zhan Jun Zhang, Yong Qiang Zhu, Feng Gao
The physical properties of the finished product also tend to have higher requirements.
These two indexes have indicative function in paper physical properties.
The work will investigate the effects on the improvement of the paper physical properties and the production environment of papermaking industry by comparing the physical properties of paper pattern with new cleaning additives.
K - Conversion factor of the range of measurement.
A brief talk on the influence factors of the stiffness and ring crush strength [J].
Online since: November 2015
Authors: Dao Yan Feng, Zhen Lin, Zhi Qin Peng, Li Fen Cao, Miao Miao Liu, Jun Xie, Zhi Wen Hu
Therefore, it is important to figure out how the factors affecting the degradation of wool fabrics.
Especially, when disulphide bonds, which are contained in cystine and form a specific cross-linked structure for wool and make it more resistant to extraneous interference than silk fiber, were broken, the mechanical, thermal and other properties of the wool changed greatly [6].
[3] Aksakal, B., et al., The effect of temperature and water on the mechanical properties of wool fibres investigated with different experimental methods.
[12] Bertini, F., et al., Wool keratin-polypropylene composites: Properties and thermal degradation.
[15] Niu, M., et al., Molecular structure and properties of wool fiber surface-grafted with nano-antibacterial materials.
Online since: October 2016
Authors: M.P. Jenarthanan, B. Desikan
(B.Ramesh, 2013) stated that the mechanical properties of laminated composites were comparatively better when compared to non-laminated composites.
Lightness, toughness and flexibility are the physical properties of the GFRP.
(Anuj kumar sehgal, 2013) found that the properties of ductile iron was found to satisfy the customer needs.
(M.Saktivel, 2014 & 2015) inferred that the mechanical properties of Polymer composite materials are being extensively used in industries.
It is observed that feed rate affects more than the other factors while drilling pure epoxy material, resin hybrid laminates (80% epoxy and 20% polyester) and resin hybrid laminates (60% epoxy and 40% polyester).
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