Acta Armamentarii ›› 2023, Vol. 44 ›› Issue (8): 2441-2452.doi: 10.12382/bgxb.2022.0420
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MA Kun1, LI Mingrui1,*(), CHEN Chunlin1, YIN Lixin1, FENG Na1, SHEN Zikai1,2
Received:
2022-05-22
Online:
2023-08-30
Contact:
LI Mingrui
CLC Number:
MA Kun, LI Mingrui, CHEN Chunlin, YIN Lixin, FENG Na, SHEN Zikai. Influence of Stiffened Structure of Steel Plate on the Hypervelocity Penetration Ability of Cylindrical Projectile[J]. Acta Armamentarii, 2023, 44(8): 2441-2452.
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材料 | A/108Pa | B/108Pa | n | c | m | Tm/K | /s-1 |
---|---|---|---|---|---|---|---|
93钨合金 | 6.008 | 1.2 | 0.4944 | 0.059 | 0.8203 | 3683 | 0.001 |
Q345钢[ | 3.74 | 7.957 | 0.4545 | 0.01586 | 0.8856 | 1795 | 0.001 |
Table 1 Strength model parameters of 93W and Q345 steel
材料 | A/108Pa | B/108Pa | n | c | m | Tm/K | /s-1 |
---|---|---|---|---|---|---|---|
93钨合金 | 6.008 | 1.2 | 0.4944 | 0.059 | 0.8203 | 3683 | 0.001 |
Q345钢[ | 3.74 | 7.957 | 0.4545 | 0.01586 | 0.8856 | 1795 | 0.001 |
材料 | 密度/(kg·m-3) | D1 | D2 | D3 | D4 | D5 | /s-1 |
---|---|---|---|---|---|---|---|
93钨合金 | 17600 | 0.091 | 0.409 | -2.460 | -0.218 | 1.613 | 0.001 |
Q345钢 | 7830 | -0.589 | 1.300 | -0.616 | 0.0164 | 0.240 | 0.001 |
Table 2 Failure model parameters of 93W and Q345 steel
材料 | 密度/(kg·m-3) | D1 | D2 | D3 | D4 | D5 | /s-1 |
---|---|---|---|---|---|---|---|
93钨合金 | 17600 | 0.091 | 0.409 | -2.460 | -0.218 | 1.613 | 0.001 |
Q345钢 | 7830 | -0.589 | 1.300 | -0.616 | 0.0164 | 0.240 | 0.001 |
序号 | L/mm | vx/(m·s-1) | vr/(m·s-1) | ||||||
---|---|---|---|---|---|---|---|---|---|
实验值 | 计算值 | 误差/% | 实验值 | 计算值 | 误差/% | 实验值 | 计算值 | 误差/% | |
1 | 12.53 | 12.75 | 1.76 | 2953 | 2889 | -2.17 | 738 | 735 | -0.41 |
2 | 18.90 | 19.63 | 3.86 | 2457 | 2453 | -0.16 | 482 | 530 | 9.96 |
Table 3 Comparison of experimental and simulation results of residual projectile length and fragments parameters
序号 | L/mm | vx/(m·s-1) | vr/(m·s-1) | ||||||
---|---|---|---|---|---|---|---|---|---|
实验值 | 计算值 | 误差/% | 实验值 | 计算值 | 误差/% | 实验值 | 计算值 | 误差/% | |
1 | 12.53 | 12.75 | 1.76 | 2953 | 2889 | -2.17 | 738 | 735 | -0.41 |
2 | 18.90 | 19.63 | 3.86 | 2457 | 2453 | -0.16 | 482 | 530 | 9.96 |
序号 | 代号 | 剩余长 度/mm | 侵蚀长 度/mm | 剩余速度/ (m·s-1) | 是否 断裂 | 挠度/ mm | 攻角/ (°) |
---|---|---|---|---|---|---|---|
1 | Z0 | 61.08 | 23.92 | 1939.7 | 否 | 0 | 0 |
2 | Q-y5 | 65.28 | 19.72 | 1939.5 | 是 | 13.1 | 1.0 |
3 | Q-y10 | 70.82 | 14.18 | 1952.3 | 是 | 10.9 | 1.0 |
4 | Q-z5 | 60.71 | 24.29 | 1940.8 | 否 | 0 | 0.3 |
5 | Q-z10 | 60.44 | 24.56 | 1942.0 | 否 | 0 | 0.3 |
Table 4 Results of the mechanical parameters of the residual projectile at different oblique angles
序号 | 代号 | 剩余长 度/mm | 侵蚀长 度/mm | 剩余速度/ (m·s-1) | 是否 断裂 | 挠度/ mm | 攻角/ (°) |
---|---|---|---|---|---|---|---|
1 | Z0 | 61.08 | 23.92 | 1939.7 | 否 | 0 | 0 |
2 | Q-y5 | 65.28 | 19.72 | 1939.5 | 是 | 13.1 | 1.0 |
3 | Q-y10 | 70.82 | 14.18 | 1952.3 | 是 | 10.9 | 1.0 |
4 | Q-z5 | 60.71 | 24.29 | 1940.8 | 否 | 0 | 0.3 |
5 | Q-z10 | 60.44 | 24.56 | 1942.0 | 否 | 0 | 0.3 |
序号 | 代号 | 剩余长 度/mm | 侵蚀长 度/mm | 剩余速度/ (m·s-1) | 是否 断裂 | 挠度/ mm | 攻角/ (°) |
---|---|---|---|---|---|---|---|
1 | Z0 | 61.08 | 23.92 | 1939.7 | 否 | 0 | 0 |
2 | G-y5 | 61.53 | 23.47 | 1937.1 | 否* | 6.68 | 2.5 |
3 | G-y10 | 60.06 | 24.94 | 1921.5 | 是 | 21.57 | 10.5 |
4 | G-z5 | 60.96 | 24.04 | 1931.2 | 否 | 0.18 | 1.5 |
5 | G-z10 | 62.17 | 22.83 | 1896.6 | 是 | 8.01 | 9.5 |
Table 5 Results of the mechanical parameters of the residual projectile under different attack angles
序号 | 代号 | 剩余长 度/mm | 侵蚀长 度/mm | 剩余速度/ (m·s-1) | 是否 断裂 | 挠度/ mm | 攻角/ (°) |
---|---|---|---|---|---|---|---|
1 | Z0 | 61.08 | 23.92 | 1939.7 | 否 | 0 | 0 |
2 | G-y5 | 61.53 | 23.47 | 1937.1 | 否* | 6.68 | 2.5 |
3 | G-y10 | 60.06 | 24.94 | 1921.5 | 是 | 21.57 | 10.5 |
4 | G-z5 | 60.96 | 24.04 | 1931.2 | 否 | 0.18 | 1.5 |
5 | G-z10 | 62.17 | 22.83 | 1896.6 | 是 | 8.01 | 9.5 |
序号 | 代号 | 加筋情况 | 剩余长度/ mm | 侵蚀长度/ mm | 剩余速度/ (m·s-1) |
---|---|---|---|---|---|
1 | Z0 | 十字筋(一 主、一副) | 61.08 | 23.92 | 1939.7 |
2 | ZK-d8.5 | 一条主筋 | 61.60 | 23.40 | 1942.7 |
3 | SK-d8.5 | 十字主筋 | 57.93 | 27.07 | 1927.4 |
4 | ZZ0 | 一条副筋 | 72.90 | 12.10 | 1971.0 |
Table 6 Results of the mechanical parameters of the residual projectile under different stiffener conditions
序号 | 代号 | 加筋情况 | 剩余长度/ mm | 侵蚀长度/ mm | 剩余速度/ (m·s-1) |
---|---|---|---|---|---|
1 | Z0 | 十字筋(一 主、一副) | 61.08 | 23.92 | 1939.7 |
2 | ZK-d8.5 | 一条主筋 | 61.60 | 23.40 | 1942.7 |
3 | SK-d8.5 | 十字主筋 | 57.93 | 27.07 | 1927.4 |
4 | ZZ0 | 一条副筋 | 72.90 | 12.10 | 1971.0 |
序号 | 代号 | 剩余长度/ mm | 侵蚀长度/ mm | 剩余速度/ (m·s-1) |
---|---|---|---|---|
1 | ZK-d2 | 49.34 | 35.66 | 1938.3 |
2 | ZK-d4.5 | 57.77 | 27.23 | 1940.5 |
3 | ZK-d8.5 | 61.60 | 23.40 | 1942.7 |
4 | ZK-d12.5 | 63.20 | 21.80 | 1947.6 |
5 | ZK-d16 | 63.67 | 21.33 | 1949.4 |
6 | H-43.5 | 43.25 | 41.75 | 1852.4 |
Table 7 Results of residual projectile under different ratios of projectile diameter to stiffener thickness
序号 | 代号 | 剩余长度/ mm | 侵蚀长度/ mm | 剩余速度/ (m·s-1) |
---|---|---|---|---|
1 | ZK-d2 | 49.34 | 35.66 | 1938.3 |
2 | ZK-d4.5 | 57.77 | 27.23 | 1940.5 |
3 | ZK-d8.5 | 61.60 | 23.40 | 1942.7 |
4 | ZK-d12.5 | 63.20 | 21.80 | 1947.6 |
5 | ZK-d16 | 63.67 | 21.33 | 1949.4 |
6 | H-43.5 | 43.25 | 41.75 | 1852.4 |
撞击 情况 | 第1层 | 第2层 | 第3层 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
L1/mm | ΔL1/mm | v1/(m·s-1) | 挠度/mm | L2/mm | ΔL2/mm | v2/(m·s-1) | 攻角/(°) | L3/mm | ΔL3/mm | v3/(m·s-1) | 攻角/(°) | |
1 | 61.08 | 23.92 | 1939.7 | 0 | 36.24 | 24.84 | 1836 | 0 | 14.51 | 21.73 | 1589.4 | 0 |
2 | 61.6 | 23.4 | 1942.7 | 0 | 38.12 | 23.48 | 1844.1 | 1 | 16.15 | 21.97 | 1622.8 | 0 |
3 | 72.9 | 12.1 | 1971 | 0 | 61.73 | 11.17 | 1933.2 | 1 | 48.69 | 13.04 | 1886.4 | 0.5 |
4 | 61.41 | 23.59 | 1949.1 | 4.5 | 39.31 | 22.1 | 1876.6 | 19 | 23.61 | 15.7 | 1784.9 | 10 |
5 | 52.63* | 32.37 | 1947.4 | 22.9 | 16.16 | 36.47 | 1876.7 | 8 | 0 | 16.16 | 0 | 0 |
Table 8 Comparison of the residual projectile parameters after each layer of stiffened steel plate under different impact conditions
撞击 情况 | 第1层 | 第2层 | 第3层 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
L1/mm | ΔL1/mm | v1/(m·s-1) | 挠度/mm | L2/mm | ΔL2/mm | v2/(m·s-1) | 攻角/(°) | L3/mm | ΔL3/mm | v3/(m·s-1) | 攻角/(°) | |
1 | 61.08 | 23.92 | 1939.7 | 0 | 36.24 | 24.84 | 1836 | 0 | 14.51 | 21.73 | 1589.4 | 0 |
2 | 61.6 | 23.4 | 1942.7 | 0 | 38.12 | 23.48 | 1844.1 | 1 | 16.15 | 21.97 | 1622.8 | 0 |
3 | 72.9 | 12.1 | 1971 | 0 | 61.73 | 11.17 | 1933.2 | 1 | 48.69 | 13.04 | 1886.4 | 0.5 |
4 | 61.41 | 23.59 | 1949.1 | 4.5 | 39.31 | 22.1 | 1876.6 | 19 | 23.61 | 15.7 | 1784.9 | 10 |
5 | 52.63* | 32.37 | 1947.4 | 22.9 | 16.16 | 36.47 | 1876.7 | 8 | 0 | 16.16 | 0 | 0 |
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