Page 120 - 《含能材料》火工品技术合集 2015~2019
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2 5 2 !"#,$%,&'(,)*+,,-.
áw| p8Þ²Ëßg τ 。67`aâv, Þ² |áÉù¿ÇMNÚÛFD|, E4ùAH®®
Ëßgâã, >E4H®D5<°?|â。 D5。Cw 10μ m 8 12.5μ m 6 7 Ê À,10μ m
x67`a}~?, Þ²Ëßg]?ùQ, > 67E4?|¯_0ÚÛFD| 12.9%,
E4Aà®FD¯°¸áwE4?|。 12.5μ m 67ö/ 1.9%, t0xOPyzA
t?,12.5μ m 67m®?|Pw
[ 7 ù~`a67?ÚÛFD|8Þ²ËßgÅAqr ÚÛR, ùAH®®?D5, Òåæí 12.5μ m 6
Table7 Calculationresultsofcriticaldetonationpressureand 7?HI{|Éw 10μ m 67HI{|?çå。
pulsedurationwithdifferentflyerthickness
- 1
flyer particle detonation pulse [ 8 1.2kJ·g AtYZù~`a67?|8Þ²
velocity
thickness velocity pressure duration
/km·s - 1 gÅAqr
/ μ m /km·s - 1 /GPa / μ s
Table8 Calculationresultsofpressureandpulsedurationof
7.5 1.545 0.788 4.08 0.0039
10.0 1.321 0.677 3.33 0.0055 drivingflyerwithdifferentthicknessundertheinputenergyof
- 1
12.5 1.267 0.649 3.16 0.0069 1.2kJ·g
15.0 1.235 0.633 3.06 0.0084 criterion criterion
flyer shock duration
17.5 1.217 0.624 3.01 0.0098 velocity detonation pulse
thickness - 1 pressure ofshcok
20.0 1.207 0.619 2.98 0.0112 / μ m /km·s /GPa pressure / μ s duration
/GPa / μ s
22.5 1.163 0.597 2.84 0.0127
7.5 1.479 3.86 4.08 0.0039 0.0039
25.0 1.153 0.592 2.81 0.0142
10.0 1.450 3.76 3.33 0.0054 0.0055
30.0 1.138 0.585 2.76 0.0171
12.5 1.286 3.22 3.16 0.0069 0.0069
35.0 1.093 0.562 2.63 0.0201
15.0 1.247 3.10 3.06 0.0083 0.0084
37.5 1.056 0.544 2.52 0.0217
20.0 1.143 2.78 2.98 0.0113 0.0112
25.0 1.020 2.41 2.81 0.0144 0.0142
37.5 0.865 1.97 2.52 0.0225 0.0217
3.5 limnef%&'(%)*+,-2./
/0© è b 2 9 : ; - a C EFI H I Q R ? K
L, @UáOâCù~9:;-a EFI HI{|ç
èWX, qrYs 9<[。9:WS9:;-aã
ä/ 0.125,0.225,0.250,0.275mm, 4 5 Ü Ý /
0.2mm× 5μ m。3s 9ƨ, WXqrS 0.125mm
9:;-a?HI{|/0.766kV, }w0.225mm
< 4 X©?FDÜ)¦§ 9:;?HI{|OP0 13.3%, stuv9:;-
Fig.4 Fittingcurveofinitiationcriterion
agTw O P EFI ? H I Q R, ¢ ' ò Æ Ç é ê ý
* [2 - 3] 。
/012uv67`aCw|?KL, x
- 1
1.2kJ·g yzAtCYZù~`a67?|Å
[ 9 DE5FDGHIQRù~9:;-a?Q¡
Aq r Y s 8 < [。 3 s 8 Æ ¨, 6 7 ` a ± Table9 Variation situation ofthe exploding foilinitiator
- 1
37.5μ muvN 20μ m , :a± 0.865km·s
ignitionthresholdwithdifferentlengthaccelerationchamber
- 1
Ñ 1.143km·s , ><CÑ?|/ 2.78GPa, P lengthofacceleration ignitionenergyof ignitionvoltage
chamber/mm simulated/kJ·g - 1 ofsimulated/kV
wH®®D5?ÚÛ| 2.98GPa, g¿ú?A
0.125 1.648 0.766
tº » E 4 H ® ® D 5。 6 7 ` a u v Ñ
0.225 2.183 0.882
- 1
- 1
10μ m, :a± 1.143km·s ÙáÑ 1.450km·s , 0.250 2.736 0.987
><CÑ?|/ 3.76GPa, ¯_0ÚÛFD| 0.275 3.488 1.108
3.33GPa, E 4 A ú H ® ® D 5。 6 7 ` a ±
10μ muvN 7.5μ m , 67:a
90 2%, Ê> Z 5<[?í67°_ 0.125mm 8 0.225mm
ÚÛFD|
90 22.5%, 3:a
Êäì? 9:;?67ëy。3Z 5ƨ, 67Ö9:;Ó
ChineseJournalofEnergeticMaterials,Vol.26,No.3,2018(248 - 254) !"#$ www.energeticmaterials.org.cn