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Online since: August 2017
Authors: Mohamad Hosein Sadeghi, Maedeh Sadat Zoei, Mehdi Salehi
Specifications of grinding wheel and grinding parameters Parameters Value Average grain size(μm) 75 Grade R Concentration number 75 cutting speed (vc)(m/s) 30 Feedrate (vw)(mm/s) 413 Depth of cut (ap) (μm) 4 Residual Stress Measurement In this study, X-ray diffraction (XRD) technique using sin2ψ method was utilized to measure surface residual stresses.
Online since: June 2010
Authors: Miao Song, Jia Feng Lei, Ying Jie Ma, Yu Yin Liu
Using the contrast instead of the amplitude, setting the threshold value for the contrast, we measured average grain size by the linear intercept method (about 150 particles each) with results showing in Table 2.
The fracture toughness is correlated with the α2 and silicides in a mean of fraction, number as well as size.
Online since: August 2013
Authors: Min Xi, Ju Hua Yang, Qing Lei Zhang
Surrounding areas of Luyang Lake Wetland are densely populated, and most of the lands of the lake areas are used for growing grain, cotton or the construction of salt pans, alkali pools and nitrate pools, resulting in the natural water area of the wetland has been reduced.
The flexible dam of the plant is to plant a certain number of sea buckthorn trees with fixed plant space and line distance in the ditch or main river canals.
Online since: February 2016
Authors: Qian Lin Wu, Li Hua Dong, Wen Ge Li, Yan Sheng Yin
TiC was more or less distributed along grain boundary, resulting in a network distribution in the inner layer.
In addition, TiO2 distributed uniformly in the microstructure and a small number of porosities were seen in the outer layer.
Online since: February 2012
Authors: Xiu Cheng Zheng, Xiao Li Zhang, Wei Ping Tang, Hai Yan Wu, Bing Bing Zhang
In order to eliminate the defects, a number of wet chemical synthesis techniques have been developed.
Li, Grain-size effect on the dielectric properties of Bi0.5Na0.5TiO3, Chin.
Online since: March 2012
Authors: Bint Ashraf Warda, Ahmed Noor Munaz
In this research the effect of aggregate gradation on concrete permeability has been examined using a number of laboratory test results.
Fig. 3 is an individual percent retained curve (IPR), which shows the grain size distribution for both of the selected aggregate gradations with respect to “8-22” distribution.
Online since: May 2012
Authors: Li An Liu, Jian Bo Han
Around the depression, there develop a great number of alluvial fans and vast alluvial plains form in the center of the depression.
In the late Ek1 and lower Es4, the areas of fluvial systems enlarge, covering the most parts of the depression and the grain size of sediments become coarse.
Online since: January 2016
Authors: Jan Pěnčík, Jakub Dohnal
Numbers going from 1 to 5 indicate the boundary conditions for calculating the transmittance of water vapor diffusion.
Symbol A means soft wood (flow perpendicular to the grain) and symbol B means thermal insulation.
Online since: June 2008
Authors: Shae K. Kim
It is clear from Fig. 3 that AgNi and AgFe contact materials can be manufactured well by RCM and that the grain size of the primary Ag phase and even the Ni and Fe particle sizes are well comparable to those of AgNi and AgFe alloys produced by powder extrusion.
Representative for a large number of manufactured rivets, it reveals no cracking during final cold deformation in AgNi and AgFe contact materials.
Online since: March 2008
Authors: Dun Wen Zuo, Li Gang Zhao, Yu Li Sun
The dimension of the silicon wafer reaches to 300mm and the slicing number is 2.5 times to 200mm.
The kerf losses and is greater than fixed abrasive multi-wire saw under the same grain size of the abrasive.
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