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Online since: April 2014
Authors: Ban Quan Yang, Wei Hai Sun, Gui Ling Ju, Jing Wen Pan, Li Jun Wang
Liu et al. [1] employed the SPH method to study the dynamic response of structures under high velocity impact loads.
Børvik et al. [5] conducted an experimental and analytical study on the perforation of AA5083-H116 aluminum armor plates with ogive-nose rods and 7.62 mm APM2 bullets.
Swaddiwudhipong el al. [6] studied the perforation of metal plates with varying thicknesses and vious projectile nose geometries including bunt, conical and ogival noses, adopting the coupled smooth particle hydrodynamics - finite element method.
Xiao et al. [7] presented an ASPH with contact algorithm and applied it to simulate the normal perforation of 6061-T651 aluminum plates with ogive-nose steel projectiles.
Computational models Normal perforation experiments conducted by Børvik et al. [5] are simulated in this section.
Børvik et al. [5] conducted an experimental and analytical study on the perforation of AA5083-H116 aluminum armor plates with ogive-nose rods and 7.62 mm APM2 bullets.
Swaddiwudhipong el al. [6] studied the perforation of metal plates with varying thicknesses and vious projectile nose geometries including bunt, conical and ogival noses, adopting the coupled smooth particle hydrodynamics - finite element method.
Xiao et al. [7] presented an ASPH with contact algorithm and applied it to simulate the normal perforation of 6061-T651 aluminum plates with ogive-nose steel projectiles.
Computational models Normal perforation experiments conducted by Børvik et al. [5] are simulated in this section.
Online since: June 2005
Authors: Sang Yeup Park, Sung Jin Kim, Hee Gon Bang
Powders were prepared with a
stoichiometric composition (Mg:Al:Si = 2:2:5).
Therefore, it can be suggest that the high energy milling process provides an effective route for the solid state reaction of cordierite due to the formation of amorphous silica layer. 10 20 30 40 50 60 70 80 IIIISiOSiOSiOSiO2222/I/I/I/IAlAlAlAl2222OOOO3333/I/I/I/IMgOMgOMgOMgO 16083/2904/3515 2θ2θ2θ2θ 1hr mill 2hr mill 13304/3046/3345 9933/2738/2984 4hr mill Intensity 6615/2582/2059 8hr mill 3643/2159/1545 32hr mill ●●●● ▲▲▲▲ ■■■■ ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ■■■■ ■■■■ ●●●● :SiO:SiO:SiO:SiO2222▲▲▲▲ :Al:Al:Al:Al2222OOOO3333 ■■■■ : : : : MgOMgOMgOMgO IIII100100100100 IIII100100100100 IIII100100100100 10 20 30 40 50 60 70 80 IIIISiOSiOSiOSiO2222/I/I/I/IAlAlAlAl2222OOOO3333/I/I/I/IMgOMgOMgOMgO 16083/2904/3515 2θ2θ2θ2θ 1hr mill 2hr mill 13304/3046/3345 9933/2738/2984 4hr mill Intensity 6615/2582/2059 8hr mill 3643/2159/1545 32hr mill ●●●● ▲▲▲▲ ■■
■■ ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ■■■■ ■■■■ ●●●● :SiO:SiO:SiO:SiO2222▲▲▲▲ :Al:Al:Al:Al2222OOOO3333 ■■■■ : : : : MgOMgOMgOMgO IIII100100100100 IIII100100100100 IIII100100100100 Fig. 5.
El Chahal, J.
Therefore, it can be suggest that the high energy milling process provides an effective route for the solid state reaction of cordierite due to the formation of amorphous silica layer. 10 20 30 40 50 60 70 80 IIIISiOSiOSiOSiO2222/I/I/I/IAlAlAlAl2222OOOO3333/I/I/I/IMgOMgOMgOMgO 16083/2904/3515 2θ2θ2θ2θ 1hr mill 2hr mill 13304/3046/3345 9933/2738/2984 4hr mill Intensity 6615/2582/2059 8hr mill 3643/2159/1545 32hr mill ●●●● ▲▲▲▲ ■■■■ ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ■■■■ ■■■■ ●●●● :SiO:SiO:SiO:SiO2222▲▲▲▲ :Al:Al:Al:Al2222OOOO3333 ■■■■ : : : : MgOMgOMgOMgO IIII100100100100 IIII100100100100 IIII100100100100 10 20 30 40 50 60 70 80 IIIISiOSiOSiOSiO2222/I/I/I/IAlAlAlAl2222OOOO3333/I/I/I/IMgOMgOMgOMgO 16083/2904/3515 2θ2θ2θ2θ 1hr mill 2hr mill 13304/3046/3345 9933/2738/2984 4hr mill Intensity 6615/2582/2059 8hr mill 3643/2159/1545 32hr mill ●●●● ▲▲▲▲ ■■
■■ ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ●●●● ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ▲▲▲▲ ■■■■ ■■■■ ●●●● :SiO:SiO:SiO:SiO2222▲▲▲▲ :Al:Al:Al:Al2222OOOO3333 ■■■■ : : : : MgOMgOMgOMgO IIII100100100100 IIII100100100100 IIII100100100100 Fig. 5.
El Chahal, J.
Online since: October 2011
Authors: Guang Hong Zhou, Yu Fu Zhu, Ai Hui Liu, Yue Bin Lin
References
[1] Kim C S, Moon B K, Park J H, et al.
Forum Vol. 6 (2006), p. 215 [4] Xu H, Jia F, Ai Z, et.al.
Forum Vol. 130 (2008), p.70 [6] Wang D, Yu B, Hao J, et.al.
Applied Surface Science.Forum Vol. 253 (2007), p.7029 [10] Su Y L, Zhang XW, ZhouM H, el at.
Forum Vol. 194 (2008), p.152 [11] Shuyun Kuang, Lixia Yang, et al.
Forum Vol. 6 (2006), p. 215 [4] Xu H, Jia F, Ai Z, et.al.
Forum Vol. 130 (2008), p.70 [6] Wang D, Yu B, Hao J, et.al.
Applied Surface Science.Forum Vol. 253 (2007), p.7029 [10] Su Y L, Zhang XW, ZhouM H, el at.
Forum Vol. 194 (2008), p.152 [11] Shuyun Kuang, Lixia Yang, et al.
Online since: April 2013
Authors: Hazlina Selamat, Ahmad F.A. Rahman, Fatimah S. Ismail
On the other hand, visual comfort can be controlled by using illumination level, as mentioned by Baker et al [7].
The comfort level has been calculated using this equation: (4) where δ1, δ2 and δ3 is the user-defined values, Tset, Lset and Aset is the set values of each variable, that is set to be 23.0°C, 650 lux and 700 ppm, and eT, eL and eA is the error between actual value and set value.
[6] Ma Bingxin et al (2011), “Experimental Design and the GA-BP Prediction of Human Thermal Comfort Index,” 2011 Seventh International Conference onNatural Computation (ICNC), 26-28 July, Shanghai: IEEE, 771-775
[7] Baker, N. et al (1993), Daylight in Architecture, a European Reference Handbook, UK: James & James
[8] Hui Xie et al (2009), “Prediction of Indoor Air Quality Using Artificial Neural Networks,” 2009 Fifth International Conference on Natural Computation, 14-16 August, Tianjin: IEEE, 414 – 418.
The comfort level has been calculated using this equation: (4) where δ1, δ2 and δ3 is the user-defined values, Tset, Lset and Aset is the set values of each variable, that is set to be 23.0°C, 650 lux and 700 ppm, and eT, eL and eA is the error between actual value and set value.
[6] Ma Bingxin et al (2011), “Experimental Design and the GA-BP Prediction of Human Thermal Comfort Index,” 2011 Seventh International Conference onNatural Computation (ICNC), 26-28 July, Shanghai: IEEE, 771-775
[7] Baker, N. et al (1993), Daylight in Architecture, a European Reference Handbook, UK: James & James
[8] Hui Xie et al (2009), “Prediction of Indoor Air Quality Using Artificial Neural Networks,” 2009 Fifth International Conference on Natural Computation, 14-16 August, Tianjin: IEEE, 414 – 418.
Online since: March 2015
Authors: R. Zou
PHD Thesis, University of California, Berkeley, 1999
[2] Chouia Y, El-Sankary K, Saleh A, et al. 14 b, 50 MS/s CMOS front-end sample and hold module dedicated to a pipelined ADC.
IEEE Proc Int Symp Circuits and Systems, 2004, 1: 25 [3] YangW, Kelly D, Mehr I, et al.
IEEE Proc Int Symp Circuits and Systems, 2004, 1: 25 [3] YangW, Kelly D, Mehr I, et al.
Online since: July 2015
Authors: J.S. Mohamed Ali
A careful study of the references on thermally loaded laminates [2-4] reveals that most of them provide just the solution but not useful numerical results in the form of deflections and stresses for various span to thickness ratio as has been reported by Pagano [5] and Bhaskar and Varadan [6] for laminated plates and shells respectively under mechanical loading and Bhaskar et al [7] for plates under thermal loading.
The following material properties, typical of high modulus graphite-epoxy, are assumed: EL/ET = 25 ; GLT/ET = 0.5 ; GTT/ET = 0.2 ; uLT = uTT = 0.25 ; aT/aL = 1125.
The following material properties, typical of high modulus graphite-epoxy, are assumed: EL/ET = 25 ; GLT/ET = 0.5 ; GTT/ET = 0.2 ; uLT = uTT = 0.25 ; aT/aL = 1125.
Online since: February 2008
Authors: H. Jiang, Cheng Yan, Ruixiang Bai
Adhesive
bond of 0.1mm thickness locates between the
substrate, molding and the silicon die, while the
dimensions and materials of the rest part of the
package is the same as Yan et al. [4].
The time dependent strain rate tensor in the solder alloy was described by th ij cr ij pl ij el ijij εεεεε &&&&& +++= , (1) where the total strain rate tensor are the sum of the elastic, plastic, creep and thermal strain rate tensor.
Chiou, et. al.: Temperature Cycling Effects between Sn/Pb Solder and Thick Film Pd/Ag conductor Metallization.
The time dependent strain rate tensor in the solder alloy was described by th ij cr ij pl ij el ijij εεεεε &&&&& +++= , (1) where the total strain rate tensor are the sum of the elastic, plastic, creep and thermal strain rate tensor.
Chiou, et. al.: Temperature Cycling Effects between Sn/Pb Solder and Thick Film Pd/Ag conductor Metallization.
Online since: March 2023
Authors: Hakam Muzakki, Ikrom Millaily, Ahmadi Ahmadi, Suwarsono Suwarsono, Jefri S. Bale
Mixing Cu and Al formed in a weld joint.
Chu et al studied an impact of shoulder morphology from Friction Stir Spot Welding on AA2198-T sheet.
Structure properties of the joint were characterized by Guan et al [9].
A prepared specimen of macrostructure analyzed Farhad Bakhtiari el al also studied macrostructure as weld joint condition [15].
Banglong Fu et al state that rotation speed affects Lap Shear Strength and fracture mode.
Chu et al studied an impact of shoulder morphology from Friction Stir Spot Welding on AA2198-T sheet.
Structure properties of the joint were characterized by Guan et al [9].
A prepared specimen of macrostructure analyzed Farhad Bakhtiari el al also studied macrostructure as weld joint condition [15].
Banglong Fu et al state that rotation speed affects Lap Shear Strength and fracture mode.
Online since: September 2018
Authors: Iftichar Us Salam, Qadeer Ahmed, Imran Nazir Qureshi
The cause of failure was hot corrosion of TBCs by chemical entities from atmosphere like oxides of Al, Ca, Si and Mg (CMAS).
Combination of oxides of Ca, Mg, Al and silicon is collectively known as CMAS [3].
Wade, E.L.
In: Froes et al., editors.
In: Froes et al., editors.
Combination of oxides of Ca, Mg, Al and silicon is collectively known as CMAS [3].
Wade, E.L.
In: Froes et al., editors.
In: Froes et al., editors.
Online since: October 2011
Authors: Xin Ping Hou, Xi Shi Wang
Table 1 PCSA of the muscles around the elbow joint(An et al,1980[6])
Intrinsic Muscles
Muscle
PCSA
[cm2]
PCSA in all
[cm2]
BIC
Long head
2.5
4.6
Short head
2.1
BRA
7.0
7.0
BRD
1.5
1.5
PRT
3.4
3.4
TRI
Long head
6.7
18.8
Lateral head
6.1
Medial head
6.0
ANC
2.5
2.5
Constraint conditions are as follows:
(8)
Among them,is muscle stress.
Gonzalez, E.L.
Hutchins, et al.
Dowson, et al.
Dowson, et al.
Gonzalez, E.L.
Hutchins, et al.
Dowson, et al.
Dowson, et al.