Search Options

Sort by:

Publication Type:

Open access:

Publication Date:

Periodicals:

Search results

Online since: September 2016
Authors: Chang Yu Zhou, Jing Zhang, Xiao Hua He
Because of the approaches of rolling, heat treatment, and so on, the materials' properties are different along each direction in practical engineering.
The metal properties of pressure equipment present orthotropic behavior due to the rolling approaches, heat treatment, and so on [2].
Kanak Kalita [10] found that the stress concentration factor of orthotropic plates with hole mainly depended on non-dimensional parameters of material properties compared with isotropic material.
Substituting the orthotropic mechanical properties into Eq. (1), the expression of Hill48 equivalent stress can be obtained as follows: σHill48 = √ 0.840σ2θ + 1.174σ2z − 1.028σzσθ. (3) Stress analysis of Titanium cylinders with nozzle.
Stress concentration factor for the structure of cylindrical shell with nozzle is affected by the interaction of elastic modulus ratio and thickness ratio.
Online since: September 2014
Authors: Xi Bing Wang, Xiu Feng Wang, Jiang Guo, Yong Chun Zhang
Laser prestressed bending mechanism is described and the main influence factors are analyzed.
The material microstructure and mechanical properties after laser scan are measured and analyzed.
Research on laser prestressed bending of the complex structure of aluminum alloy plate is done and influence factors and material properties change during the bending process are analyzed [8-9].
There are many factors affecting the laser prestressed bending process, shown in Fig.4.
(2) There are many influential factors of laser prestressed bending process.
Online since: June 2024
Authors: Bassam A. Tayeh, Adeyemi Adesina, Marijana Hadzima-Nyarko, Afonso Rangel Garcez de Azevedo, Mohamed Amin, Ibrahim Saad Agwa, Abdullah M. Zeyad
Nevertheless, the chemical composition of marble, containing CaCO3 and SiO2, contributes positively to the mechanical properties of the concrete.
Properties of marble powder (MP) 3.1.
Mechanical Properties Table 4 presents the mechanical properties of previous research studies that have investigated the inclusion of MP as a replacement material in concrete and mortar, summarizing key findings from the literature review on the subject.
Using up to 15% MP as a substitute for Portland cement improved mechanical properties.
Kalaiyarrasi, Mechanical and durability properties of self-compacting concrete with marble fine aggregate.
Online since: February 2007
Authors: L. Wang, Wen Ji Xu, Jian Cheng Fang, Zhi Yu Zhao
Xu 1 1 School of Mechanical Engineering, DUT, Dalian 116023 P.R.
The research results show that plasma spraying is suitable for the production of metal-ceramic parts of any size with special mechanical and thermomechanical properties, which can realize the contemporary integration of forming and machining.
Enthalpy is related to the gas property.
Fig. 6 Powder feeding method Both in-flight behavior and heating characteristic of particle are the key factors of affecting the quality of formed parts.
Epoxy resin possesses such merits as good flowing property, strong binding power, high adhering strength, small solidification contractility, a good mechanical property etc, and can be mixed with solidifing agent, modifier and a variety of filling materials to make up reinforcing materials with different properties.
Online since: November 2012
Authors: Yogesh Kumar Singla, Bijan Kumar Dutta, Rahul Chhibber
Later, Jenning [6] and Lucas [7] investigated the properties of the dissimilar materials welded by friction welding and the process parameters on friction welding method in 1970s.
In Table 1, + and - signs are indicating higher value and lower value for 4 factors respectively.
Table 3, Interactions effects on microhardness at interface and peak temperatures Factors Equations Outcomes of microhardness at interface Outcomes of peak temp.
References [1] Ananthapadmanaban, D, Rao, V.Seshagiri, Abraham, Nikhil, Rao, K.Prasad, “A study of mechanical properties of friction welded mild steel to stainless steel joints”, Materials & Design, 2009, pp.2642-2646
[6] Jenning P., “Some properties of dissimilar metal joints made by friction welding”, Advances in welding processess,1971, pp.147-152
Online since: September 2013
Authors: Gui Fang Wang, Dong Ying Li, Guang Ling Pei
The adsorption parameters affecting microspheres adsorption quantity, such as the concentration of spiropyran solution and adsorption temperature, were studied in detail.
In dispersion polymerization, dispersion medium is one of the key factors to affect polymer microspheres monodispersity, which directly affects the occurrence of phase transition [7].
The photochromic properties of photochromic microspheres.
After the photochromic microspheres were irradiated with xenon lamp for 10min, they still had good photochromic properties.
On the contrary, after samples were irradiated with xenon lamp, the sample 2 exhibited better photochromic properties.
Online since: April 2020
Authors: Kristýna Hrabová
The paper shows the dose dependence carbon nanotubes for the physico-mechanical properties of cement mixes.
The formation of cracks in the cover/surface layer of concrete may affect permeability and presence of aggressive substances in concrete, these factors may then affect the life cycle of the structure.
Results of studies dealing with the effects of nanotubes on physico-mechanical properties are different.
Zhang, Mechanical and damping properties of CNT-reinforced cementitious composites, Composite Structures.
Surface decoration of carbon nanotubes and mechanical properties of cement/carbon nanotube composites.
Online since: March 2014
Authors: Lin Lin Wang, Li Jiao, Zhi Wen Luo, Liang Jun Wei
The results of analysis of variance(ANOVA) revealed that feed rate is the dominant factor affecting the surface roughness.
The nominal chemical composition and material properties of 58SiMn steel are given in Tables 1 and 2, respectively.
Tab.1 Chemical composition of 58SiMn(wt.%) Element C Si Mn P S Mass fraction 0.537 1.23 1.13 0.013 0.004 Tab.2 Mechanical properties of 58SiMn Intensity (MPa) Yield strength (MPa) Shrinkage ratio (%) Area reduction (%) Density (g/cm3) 1080 ≥1200 5 40 7.85 2.2 Cutting tool and machining center Coated ceramic inserts VNMG160408-EF (YBG202) were used in the experiments work with SVABL2020K16 tool holder.
Tab.3 Factors and selected levels in turning experiments Factor Level -1 0 1 vc/(m/min) 160 200 240 ap/mm 0.1 0.3 0.5 f /(mm/r) 0.1 0.2 0.3 3.
An ANOVA summary table is commonly used to summarize the test of regression model, the significance of factors and the interaction between factors and lack of fit test.
Online since: August 2011
Authors: Shao Jiang Lin, Sai Yu Wang
Effect of TiC Addition and Cooling Rate on Mechanical Properties of 316L Stainless Steel Composites Shaojiang Lin1, 2, a, Saiyu Wang 1, b 1.
The effect of TiC particle addition and cooling rate on the mechanical properties of 316L stainless steel composites has been investigated.
When the goal is to improve the mechanical properties, ceramic particles such as Y2O3, SiC, Al2O3 and TiC are used on account of their mechanical properties [3-5].
In PM process, sintering is a critical step that affects the final density as well as the mechanical properties.
Mechanical Properties of Composites.
Online since: June 2011
Authors: Fei Xie, Yun Shan Wang, Wei Wang, Wen Gang Wu, Zhi Hong Li, Gilad Yossifon, Hsueh Chia Chang
Introduction Microchannel is an important functional structure in the micro-electro-mechanical system(MEMS).
And key properties of the deposition process inside microchannels has been studied, including shadowing effect, corner effect[5], step coverage[6], and key hole generation[4].
(a) (b) Fig.3 Variation of side-opening filling factors with different opening widths in the three channels (a) the first deposition (b) the second deposition.
As shown in Fig.3(a), the side-opening filling factors of the triangle and straight channels increase with the initial widths.
It indicated that all the filling factors increased with the widths of the channels.
Showing 4661 to 4670 of 25896 items