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Online since: June 2017
Authors: Jia Rong Li, Xiao Dai Yue, Hong Ji Xie
In fact, fatigue is the primary cause of more than 50% of failures observed in engine [1].
The nominal compositions (wt%) of DD6 alloy used in the study are listed in Table 1 [12].
Fig. 1 Schematic diagram of smooth specimens for high cycle fatigue test in mm High cycle fatigue tests were performed at 800℃ in air.
References [1] B.A.
Fuchs, Effect of solidification parameters on the microstructures and properties of CMSX-10, Materials Science and Engineering A. 479 (2008) 356-364
Online since: July 2015
Authors: Masakazu Aono, Tohru Tsuruoka, Tsuyoshi Hasegawa, Arramel Arramel
The ITO substrate was chemically immersed into deionized water and subsequently sonicated for 1 min.
Oxygen plasma treatment was implemented to chemically-cleaned ITO substrate using PB-600I plasma asher machine to remove any remaining organic contaminant with plasma power 50 W for 1 min with oxygen pressure ~1 Torr.
Fig. 1.
References [1] R.
Sci. 82 (2007) 479-520
Online since: January 2013
Authors: Jie Yun Cheng, Lei Zhao, Jian Jun Yang
According to the references [1], when slab thickness h=(30~400)mm, the value was 1.75.
Calculate diagram was as shown in figure 1 Fig. 1 The first type of the calculation diagram According to the area moment of cross-section is zero, which was relative to the neutron-axis, the height of compression zone (x) could be calculated: (1) Tensile stress of transformed section at precast slab edge : (2) Compress stress of transformed section at upper reinforced: (3) Compress stress of transformed section at lower reinforced: (4) Cracking moment Mcr: (5) Equation (1) to (4) could be substituted to equation (5), Mcr could be calculated (6) If M1≤Mcr, the precast slab could be considered as homogeneous elastic material because of not cracking.
According to the references [2] [3] [4] [5] suggested, characteristic value of the construction live load was taken as 1.5kN/m2 .
Parameters were described in table 1.
[5] Ba Songtao, Gong Jinxin, Tong Xiaoli, reliability analysis method of reinforced concrete structures during construction, Journal of DaLian university of technology, 2000 Vol.40 No.4 P.479-482 [6] Lu Xinzheng, Jiang Jianjing ,analysis for concrete structure under complex stress condition with Solid 65 FEA element of ANSYS, Building Structure,33(6), 2003,22~24 [7] Jiang Jianjing,Nonlinear finite element analysis of reinforced concrete structure,Xi an : Shanxi science and technology press,1994 [8] Shen juming ,Wang chuanzhi, analysis of finite element for reinforced concrete and limit analysis of plate and shell, Beijing, Tsinghua university Press,1993
Online since: June 2012
Authors: Emmanuel S. Karapidakis, Antonis G. Tsikalakis, Yiannis A. Katsigiannis, Marios Moschakis
However, the integration of a substantial amount of wind and PV power in isolated systems needs careful consideration, so as to maintain a high degree of reliability and security of the system operation [1].
In Fig. 1 the changes of the frequency in three different operating conditions are shown.
Case 1 corresponds to a total load of 207.2 MW supplied as described in the following Table 1.
References [1] Hatziargyriou; N., Contaxis, G., Matos, M., Pecas Lopes, J.
Power limitations and energy yield calculation for wind farms operating in island systems, Elsevier, Renewable Energy, 31, (4), pp. 457-479
Online since: June 2011
Authors: Fan Sun, Pascal Jacques, T. Gloriant, Philippe Vermaut, Frédéric Prima
From this cluster approach, electronic parameters Bo and Md are calculated for each element, resulting in a spot on the Bo/Md map (Fig. 1).
Figure 1.
References [1] S.
France, Vol. 1 (1988), p. 1601 [15] T.
Vol. 479 (2009), P. 699-703 [17] N.T.C.
Online since: January 2012
Authors: Yue Zeng Xu
Introduction China's auto industry is developing rapidly, industrial scale is expanding unceasingly, but if we want to achieve to realize the change from a big country to a powerful country in automobile industry, we must strengthen the capacity of independent research and development, fully understand and master parts and whole performance requirements, improve product test verification ability [1].
According to the direction of force, it can be divided into different shifting stiffness, choosing-gear stiffness and reversing stiffness, can be expressed by using the formula 3-1.
Sf= (S1-S0) / (F1-F0) (1) F0 is the power that acts on the center of the ball, S0 is the displacement of ball head that effected by F0 function ,Fl is the power that acts on the center of the ball, Sl is the displacement of ball head that effected by Fl function.
Reference [1] KamelM and Selim S Z.
Optimum design of automobile gearbox based on Lingo10.0 software. 2005, 16 (3) : 479~ 482 [6] Bezdek J C, Hathaway R, SabinM and TuckerW.
Online since: September 2004
Authors: Shigeru Itoh, Hisaatsu Kato, Hideki Hamashima, Michinori Takizuka, Noriyuki Kaga
Research on the JWL Parameters of Several Kinds of Explosives Hisaatsu Kato 1,a, Noriyuki Kaga 1,b, Michinori Takizuka 1,c, Hideki Hamashima 2,d, Shigeru Itoh 3,e 1 Nippon Koki Co., Ltd.
Experiment 2-1.
These are shown in Table 1.
5.5355.5355.5355.535 5.5015.5015.5015.501 5.3015.3015.3015.301 1.4791.4791.4791.479 1.4731.4731.4731.473 1.4711.4711.4711.471 1.4671.4671.4671.467 1.4711.4711.4711.471 1.4241.4241.4241.424 1.4251.4251.4251.425 1.3521.3521.3521.352 0.2950.2950.2950.295 0.2900.2900.2900.290 0.2910.2910.2910.291 0.2880.2880.2880.288 0.2920.2920.2920.292 0.2580.2580.2580.258 0.2160.2160.2160.216 0.1740.1740.1740.174 0.0820.0820.0820.082 0.0790.0790.0790.079 0.0800.0800.0800.080 0.0780.0780.0780.078 0.0790.0790.0790.079 0.0570.0570.0570.057 0.0170.0170.0170.017 0.0120.0120.0120.012 Comp.C4Comp.C4Comp.C4Comp.C4 Comp.C4+GMB20% Comp.C4+GMB20% Comp.C4+GMB20% Comp.C4+GMB20% EoEoEoEo NS- 201NS- 201NS- 201NS- 201 NS- 211NS- 211NS- 211NS- 211 BBBB R1R1R1R1 R2R2R2R2 ωωωω Det.
References [1] M.
Online since: December 2010
Authors: Zong Ping Chen, Ni Wang, Shi Qian Zhang, Shu Fang Zheng
According to the national standard test methods, each specimen is tested, and test data is shown from Table 1 to Table 3.
Table 1 The apparent density of natural fine aggregate and recycled fine aggregate samples the quality of drying sample G0(g) the total quality of sample, water and bottle G1(g) the total quality of water and bottle G2(g) apparent density ρ0(kg/m3) test value average natural fine aggregate sample 1 300 864 678 2608.7 2610 sample 2 300 825 640 2608.7 recycled fine aggregate sample 1 300 817 648 2290.1 2300 sample 2 300 832 662 2307.7 Remarks: apparent density is calculated by the follow formula (1):
(1) ρw stands for water density, which is1000kg/m3.
Table 3 The water absorption of natural fine aggregate and recycled fine aggregate samples the total quality of saturated surface dry simple G1(g) the total quality of simple after dryingG2(g) water absorption w (%) test value average natural fine aggregate sample 1 500 479 4.38 4.3 sample 2 500 480 4.17 recycled fine aggregate sample 1 500 431 16.01 16.0 sample 2 500 431 16.01 Remarks: Taking the dry sample as a benchmark, water absorption is calculated by formula (4):
References [1] M.Etxeberria, E.Vazquez, A.Mari, and M.Barra[2007].
Online since: January 2011
Authors: Xue Bin Li, Xiao Ling Yu, Liang Zhao, Han Jun Ma, Guang Hong Zhou
Furthermore, the area ratio of peak2 to 1 was also measured at 24 h、36 h and 48 h, which was 1:5.98, 1:2.43 and 1:1.51 respectively.
Rank 1 2.5 2.5 4 5.5 5.5 Ratio of peak 2 to peak1 0 approximately equal to 0 1:42.71 1:5.98 1:2.436 1:1.51 Rank 1.5 1.5 3 4 5 6 d -0.5 1 0.5 0 0.5 -0.5 d2 0.25 1 0.25 0 0.25 0.25 2 Discussion.
So we could judge that peak 1 refer to the intracellular water.
References [1] L.
Vol.43 (1978) , pp. 479-498
Online since: April 2011
Authors: Xin Min Min, Lei Zhu, Chuang Zhu
From 1 to 5 layers in Fig. 1 are the center 1 layer and underside 4 layers of TiB2 model, and other upside 4 layers can be found by operation by the symmetry of D6h point group with Ti1 (Ti of classes 1) at the origin (Fig. 1).
The representative atom of each class is shown in Fig. 1.
The net charges of every model are shown in Table 1.
References [1] M.
Alloys Compounds Vol. 479 (2009), p. 803 [4] D.Q.
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