Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: July 2011
Authors: Zhen Quan Lai, Zhen Dong Wang, Guo Rong Chen
In this study, copper, indium, and sulfur (selenium) powders with a molar ratio of 1:1:2.4 were mixed, ball-milled, and then sintered under vacuum at various temperatures.
There are two prominent peaks at 295 cm-1 and 479 cm-1: the peak at 295 cm-1 is attributed to the symmetric A1 modes of typical chalcopyrite CIS units [13], and the peak at 479 cm-1 is ascribed to the CuxS phase in sample B [14].
The plot of sample C presents two additional peaks at 240 cm-1 and 337cm-1, which are attributed to E(3) and E(6) models of the CIS, respectively [15-17], and there is no scattered peaks related to CuxS phase.
These results agree well with the previous XRD analysis (Fig.1 (b)).
References [1] G.P.
Online since: July 2008
Authors: Ali Göksenli, Barlas Eryürek
FAILURE ANALYSIS OF DIESEL ENGINE INTAKE VALVE Ali GÖKSENLĐ 1, a and Barlas ERYÜREK 1,b 1 Faculty of Mechanical Engineering, Istanbul Technical University, Taksim, Istanbul, Turkey.
Impact ratio coefficient is 1,2.
Considering size factor (kD) as (for diameter 5 mm) kD=0,99 and surface factor (very fine polished) kS= 0,98 [4], the modified endurance limit (σI E) is MPa I E 479=σ .
In this case, fatigue safety factor (υ) can be calculated as; 68,2 179 479 === F I E σ σ υ
References [1] A.
Online since: May 2011
Authors: Li Mei Wang
Fig. 1 shows the FTIR spectra of OR-CLAY.
It could be seen that dual kurtosis of Si–O stretching vibration of clay appeared at 1036 cm-1, and bending vibration bands of Si–O and Al–O appeared at 463 cm-1and 521 cm-1.
The second stage weight loss is found to be 2–16 % from 303 °C to 479 °C.
The third stage weight loss begins from 479 °C .
References [1] A.
Online since: February 2011
Authors: Li Hai Wang, Hua Dong Xu, Shi Quan Song
Introduction People are paying more attention on the loss of wood due to wood defect[1].
T Seen from fig.1, lumbers are hanged by very flexible rubber rope, so lumbers are approximate “free state”.
The second order frequency of lumber containing between 7th and 8th node is 480.04Hz, 479.35Hz is the second order frequency of between 17th and 18th node.
Both 480.04Hz and 479.35Hz is under the second order frequency of standard lumber 481.44Hz.
References [1] Wang Lihai, Yang Xuechun, Xu Kaihong.
Online since: December 2012
Authors: Liang Chu, Da Sen Bi, Xian Chen Gao, Pei Lin Li, Meng Chen
The material is boron steel 22MnB5 with coating, 1.5mm thick, widely used in hot forming operations.
The chemical composition of blank is shown in table 1: Table 1 The chemical composition of blank C Si Mn Cr N P S Ti Al B 0,20 – 0,25 0,20 – 0,35 1,10 – 1,30 0,15 – 0,25 0,009 0,025 0,005 0,020 – 0,050 0,020 – 0,060 0,002 – 0,005 Hot Forming Process for Experiment. 1.
Furthermore, it shows that the hardness of zone 2 is higher than zone 1 and zone 3.
Table 3 Vickers hardness distribution 1 2 3 4 5 6 average Zone 1 (HV) 496 486 490 484 493 484 488.8 Zone 2 (HV) 507 513 515 513 519 510 512.8 Zone 3 (HV) 479 484 487 479 484 476 481.5 Microstructure investigation.
References [1] Turetta A,Ghiotti A,Bruschi S (2006).
Online since: January 2016
Authors: Atirat Maksuwan
For example, suppose that we have a boundary between vacuum (media 1) and glass (media 2).
(1) If we integrate equation (1) with respect to x across between two regions, we conclude that
For the partial amplitude =1 is the most probability and correspond to the classical point of impact in classical ray on the junction surface.
References [1] E.
Foundations of Physics, 19 (1989) 479-504
Online since: May 2007
Authors: Ya Fang Han, Shu Suo Li, Ai Qin Liu, Lu Sun
Results and Discussion Microstructure analyzed XRD patterns of cast Nb-16Si-24Ti-6Cr-6Al-2Hf alloys doped with various amount of B are shown in Fig.1.
Conclusions 1) The volume fraction of silicide increased due to the addition of B.
Reference [1]Bewlay B.P., Jackson M.R., Zhao J.C., Subramanian P.R..
Vols. 475-479(2005):717-720 [3]Y.P.
Vols. 475-479(2005):741-744 [4]E.Sarath K Menon etc.
Online since: October 2014
Authors: Li Wan, Yong Guang Chen
Eq. (1) and (2) are the incompressible Navier-Stokes equations.
time t rx,ry 0 5 10 15 20 25 30 0.5 0.5 0.55 0.55 0.6 0.6 0.65 0.65 0.7 0.7 0.75 0.75 rx ry Fig. 1: The evolution of rx and ry with µ = 0.1 and T0 = 10.0 time t rx,ry 0 5 10 15 20 25 30 0.5 0.5 0.55 0.55 0.6 0.6 0.65 0.65 0.7 0.7 0.75 0.75 rx ry Fig. 2: The evolution of rx and ry with µ = 1.0 and T0 = 1.0 The computational domain is [−1, 1] × [−1, 1], and we set ρ0 = 1.0 and µ = 0.1 throughout the domain.
References [1] Z.
Peskin, The immersed boundary method, Acta Numer. 11(2002) 479-517.[5] Z.
Lett. 17 (1992) 479-484
Online since: September 2016
Authors: Sophia Arnauts, Dennis H. van Dorp, Frank Holsteyns, Graniel Abrenica
Atomic-layer-scale etching (vetch ~0.3 nm min-1) is observed for 0.1 mM H2O2 in H2O.
The etch rate of Ge in water increases to 3 nm min-1 for 3 mM H2O2.
(c) (d) Figure 1.
References [1] J.A. del Alamo, Nature¸479 (2011), 317
Pillarisetty, Nature, 479 (2011), 324
Online since: April 2015
Authors: Ji Hun Park
This is possible either by metric reconstruction [1] or by actual size reconstruction [6].
A group of voxels replaced by a primitive shape Determine colors and other information for 3D primitive shape Fig. 1 Overview of 3D Mosaic in an input image sequence Overview of Our System Fig. 1 shows an overview of 3D mosaic given a set of input images.
Computing Surface Information Voxels are computed by phase (A) of Fig. 1 while surface deformation information is computed in phase (B).
References [1] R.
Mater. 479-480 (2013) 479-480
Showing 61 to 70 of 3045 items