Page 117 - 《含能材料》火工品技术合集 2015~2019
P. 117
DE5FDGHIQRKLåæ?ªRWX 2 4 9
?Q¡hË, Äi0 10]e(j, SE48fkl ù9:;@U JohnsonCookef?W
0.1mm Äiý]e(j。 çèWX, ÆÇ@U [7] s[:
· ·
m
n
[
)
σ y = (A + B ε) 1 + Cln(ε/ ε 0 ] (1 - (T ) ) (6)
T = (T - T)/(T - T) (7)
r m r
S,A、B、c、n、m /efê;σ y /efÑ,GPa;
ε/Ø J Ñ Q;ε 0 / Ã D Ñ Q;T / t n
a;T /ef?j,K;T/ÃDna( ý/
m
r
n ),K。 ù JohnsonCook W Ã ª Ã
- 3
AUTODYN Version6.1, S ρ = 7.86g· cm ,A=
< 1 DE5FDG?gOW 0.792GPa,B=0.51GPa,C=0.014,n=0.26,m =
Fig.1 Thefiniteelementmodelofexplodingfoilinitiators 1.03,T = 1793K。
E4 HNS Ⅳ LeeTarver jI¢
-ÑW
2.2 YZ4V , ÀW3ÑE4 JWLî)、 Ñm? JWL
45x{AcUH®DE, m®ÉnÉ|Øo î)8ý] Ñ : î ) ì 。 ] JWL
pϱÊYZ67qZ。rÄ45DEsg¾Atu yî)ÆÇ~3 [9] s[:
zNØopÏS, 3wDEsgH®0§ v w Øo p = Ae - R 1 V + Be - R 2 V + wC T (9)
v
pÏxy?}Q_), R*fãAtzÐ, å>ÆÇ{ S,V/}CÏÐ;T/na,K;w/ GruneisenË
[6] 5 - 1
/{A|¡/AtfãuzNØopÏ S 。Ø o ª;C /ôéK,10 MPa·K ;A、B、R、Ríef
2
v
1
pÏ8A E 8{K}A E~g?hËÆÇs[/: ½ª。
m
0
1 2 j I ¡ Ñ j I
- Ñ : î
E= C U (1)
0
0
2 ) [9] s[/:
E 0 b - 1 - a)+ G (1 - λ )λp+
x
c d y
E = ·δ (2) d λ /dt = I(1 - λ ) ( ρ / ρ 0 1
m
m e g z
0 G (1 - λ )λp (10)
2
m = ρ V = ρ dL 2 (3)
0 S, λ/E4?Ña, ¢E4Ñ?tãª,%;
- 3
S,m /45?t,g;ρ/45a,g·cm ;d I,G ,G ,a,b,x,c,d,y,e,g8 zíÆêê。s 2
1 2
/45`a, μ m;L/4cÜÝ,mm;δ/AtTU [10]
£¤0 HNS Ⅳ?Ïê 。
;C /{K, μ F;U /yz{|,kV。ªRWS
0
- 3
C = 0.2μ F, δ = 5%, ρ = 8.9g·cm 。 [ 2 HNS ⅣE4?jI
-Wê( ρ = 1.55g·cm )
- 3
0
67efãä/kl、 ghij8mnop, @U Table2 TheignitiongrowthmodelparametersofHNS Ⅳ
- 3
²yî)WX, ÆÇU [7] s[: ( ρ = 1.55g·cm )
3
2
p = (C μ + D μ+ S μ)(1 - γμ /2) + γρ E (4) JWL unreacted product reactionrateparameters
f
- 1 (5) A/GPa 33318 536.25 a = 0.266 11
μ = ρ / ρ 0 I = 7.46 × 10
- 1 B/GPa - 2.5 27.02 b = 0.667 z = 3.0
S,C /:,m·s ;S /²
˪;μ/|&a;
f
11.5 5.4 c = 0.667 x = 20.0
R 1
γ/ Gruneisen ˪;E /NÏÐ8A,J。Ïê3
R 2 1.5 1.8 d = 0.111 y = 2.0
s 1 <[, ghij8klêìw AUTODYN Ver w 0.5675 0.45 g = 1 e = 0.667
sion6.1 ef, mnopêìwX[8]。
2.3 %&'(%)*+,-2\]
[ 1 67?efWê - 1
Z 28Z 3<[íWXyzAt/ 1.565kJ·g
Table1 Thematerialmodelparametersoftheflyer - 1
8 1.566kJ·g , E48f¥e(j|8Ña
material ρ /g·cm - 3 C f /m·s - 1 S γ gQ¡。9:WS, 45ÜÝ/ 0.3mm×
lucite 1.181 2260 1.816 0.75
ceramic 3.9 6900 1.45 0.5 3μ m, 6 7 ` 25μ m, 9 : ; Ü Ý / Φ 0.33mm×
polyimide [8] 1.42 2737 1.41 0.76 0.2mm, E4 HNS ⅣÜÝ/ Φ 0.45mm× 1mm。
CHINESEJOURNALOFENERGETICMATERIALS !"#$ 2018% & 26' & 3( (248 - 254)