Ngày tải lên :
12/03/2014, 12:29
... Composite
GPaQ
GPaQ
GPaQ
GPaQ
GPaQ
GPaQ
8) 01. (80 .1) .8. 272,2.206, 982 ,12 0(
00 .1) .8. 272,206,9(0 .1) .8. 272, 282 ,12 0(
00 .1) .8. 272,206,9(0 .1) .8. 272, 282 ,12 0(
72,2) 01. (72,20 .1) .8. 406, 982 ,12 0(
82 ,12 00 .1) .8. 272,2.(20.06, 91. 82 ,12 0
06,90 .1) .8. 272,2.( 21. 06,9)0. (82 ,12 0
4422
66
33
26
33
16
4422
12
2244
22
2244
11
=+++=
==
==
=+++=
=+++=
=+++=
[ ... 04 ,10
02,0.2, 01
10
1
211 2
2
22
=
=
=
E
Q
GPa 0 08, 2
02,0.2, 01
10.2,0
1
211 2
212
211 2
=
=
==
E
QQ
GPaGQ 4
12 66
==
- Tính U
i
theo (2- 31) [1] .
( )
GPaQQQQU 92,434233
8
1
6 612 2 211 1
=+++=
( )
GPaQQU 18 ,45
2
1
2 211 2
==
( ... xy theo (2-27) [1] :
)()22(
)2()2(
)2()2(
)()4(
)2(2
)2(2
44
66
22
6 612 2 211
66
3
6 612 22
3
6 612 11
26
3
6 612 22
3
6 612 11
16
44
12
22
662 211
12
22
6 612
4
22
4
11
22
22
6 612
4
22
4
11
11
csQcsQQQQQ
scQQQcsQQQQ
csQQQscQQQQ
csQcsQQQQ
csQQcQsQQ
csQQsQcQQ
+++=
=
=
+++=
+++=
+++=
-...