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Online since: January 2011
Authors: Min Zhe Wu, Hong Jin Zhao, Zhu Shan Shao
Properties Lamina thickness
αL=7.6×10-61/K, αT=14.0×10-61/K
λL=1.05W/mK, λL=0.75W/mK,
EL = 150 GPa, ET = 110 GPa Each layer thickness h=0.05
GLT= 35GPa, GTT= 35GPa
μLT= 0.33, μTT= 0.33, μTL= 0.242
And it is assumed that the hollow circular cylinder is subjected to the following nonuniform therm-
al and mechanical loadings onto its inner and outer surfaces.
Online since: July 2013
Authors: Peng Li
So it can be expressed by the change of PI concentration in the steady state:
(2)
Where, CPI and A represent the molar concentration and the absorbance of PI respectively; l and l’ represent the thickness of colorimetric ware and the exposure thickness respectively; e represents the molar extinction coefficient; El represents the energy of every mol photons with wavelength l.; Ia represents the absorbed light intensity, it can be calculated with the initial absorbance A0:
(3)
The Eq.3 involves the approximate error.
Wang, A.L.
Wang, A.L.
Online since: September 2014
Authors: Hong Chang
Table 1 Composition [wt%] and mechanical properties of X52 steel and AZ31B magnesium alloy
C
Mn
Si
S
P
Fe
σs[MPa]
σb[MPa]
El
X52
0.16
1.19
0.26
0.009
0.01
balance
418
550
33%
Al
Zn
Mn
Si
Mg
AZ31
3.20
0.45
0.26
0.15
balance
135
250
19.5%
Results and discussion
As shown in Fig. 1, the average of 10 waveforms and Fast Fourier Transform (FFT) Algorithm spectra from CF crack propagation for X52 steel and AZ31B magnesium alloy showed two distinctly different shapes.