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在火炮和二级轻气炮上利用反向碰撞技术,通过测量飞片击靶速度以及飞片/窗口的界面粒子速度,获得了金属铋(Bi)在1045 GPa压力范围内的Hugoniot数据. 该方法克服了电探针法在测量低压Hugoniot数据时由于导通一致性差而不能准确得到冲击波速度的难题,同时又避免了精确测量样品中冲击波走时的问题. 实验获得的冲击波速度(D)-波后粒子速度(u)Hugoniot数据表明,Bi在粒子速度u=0.9 km/s附近D-u曲线发生了明显拐折,产生这一拐折的原因推测与冲击导致的Bi的固液相变有关.
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关键词:
- Hugoniot数据 /
- 反向碰撞 /
- 冲击相变 /
- 铋
Hugoniot data for Bi are determined through measuring the impact velocity and the particle velocity at the sample/window interface on a powder gun or a two-stage light gas gun in a shock pressure range from 10 to 45 GPa, using reverse-impact geometry. The used experimental technique avoids the difficulty in accurately measuring the shock wave velocity resulting from the poor start synchronigm of electric pins under low shock pressure. The obtained Hugoniot data (shock wave velocity D versus particle velocity u) indicates that the D-u curve does have a discontinuity at a particle velocity of ~0.9 km/s, which is likely to be caused by the shock-induced solid-liquid phase transformation.-
Keywords:
- reverse-impact geometry /
- Hugoniot equation of state /
- shock-induced phase transition /
- bismuth
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[63] -
[1] Tan H 2006 Introduction to Experimental Shock-Wave Physics (Beijing: National Defense Industry Press) p15,p37 (in Chinese) [谭 华 2006 实验冲击波物理导引(北京:国防工业出版社)第15,37页]
[2] [3] Barker L M 1975 J. Appl. Phys. 46 2544
[4] Brown J M, Fritz J N, Hixson R S 2000 J. Appl. Phys. 88 5496
[5] [6] Nagayama K, Mori Y, Shimada K, Nakahara M 2002 J. Appl. Phys. 91 476
[7] [8] [9] Li J, Zhou X M, Li J B, Li S N, Zhu W J, Wang X, Jing F Q 2007 Acta Phys. Sin. 56 6557 (in Chinese) [李 俊、周显明、李加波、李赛男、祝文军、王 翔、经福谦 2007 物理学报 56 6557]
[10] Liu X, Zhou X M, Li J, Li J B, Cao X X 2010 Acta Phys. Sin. 59 5626 (in Chinese) [刘 勋、周显明、李 俊、李加波、操秀霞2007 物理学报 59 5626]
[11] [12] [13] Tonkov E Y, Ponyatovsky E G 2005 Phase transformation of elements under high pressure (Florida: CRC PRESS) p150
[14] [15] Duff R E, Minshall R S 1957 Phys. Rev. 108 1207
[16] [17] Romain J P 1974 J. Appl. Phys. 45 135
[18] [19] Asay J R 1974 J. Appl. Phys. 45 4441
[20] Asay J R 1977 J. Appl. Phys. 48 2832
[21] [22] Bastea M, Bastea S, Emig J A, Springer P T, Reisman D B 2005 Phys. Rev. B 71 180101
[23] [24] Nguyen J H, Orlikowski D, Streitz F H, Holmes N C, Moriarty J A 2004 Shock Compression of Condensed Matter(2003) (Oregon:America Institute of Physics) p743
[25] [26] [27] Kane J O, Smith R F 2006 Shock Compression of Condensed Matter(2005) (Maryland: America Institute of Physics) p244
[28] [29] Smith R F, Eggert J H, Saculla M D, Jankowski A F, Bastea M, Hicks D G, Collins G W 2008 Phys. Rev. Lett. 101 065701
[30] [31] Mitchell A C, Nellis W J 1981 J. Appl. Phys. 52 3363
[32] Mitchell A C, Nellis W J 1981 Rev. Sci. Instrum. 52 347
[33] [34] [35] Duffy T S, Ahrens T J 1995 J. Geophys. Res. 100 529
[36] [37] Hu J B, Zhou X M, Tan H 2008 Acta Phys. Sin. 57 2347 (in Chinese) [胡建波、周显明、谭 华 2008 物理学报 57 2347]
[38] [39] McQueen R G, March S P, Taylor J W, Fritz J N, Carter W J 1970 High Velocity Impact Phenomena (New York:Academic) p79
[40] [41] Jing F Q 1999 Introduction to Experimental Equation of State (Beijing: Science Press) p82 (in Chinese) [经福谦 1999 实验物态方程导引 (北京:科学出版社) 第82页]
[42] [43] Wang X 2004 MS Thesis (Mianyang: China Academy of Engineering Physics) p32 (in Chinese) [王 翔 2004 硕士学位论文(绵阳:中国工程物理研究院) 第32页]
[44] [45] Dai C D, Wang X, Tan H 2005 Chinese Journal of High Pressure Physics 19 0113 (in Chinese) [戴诚达、王 翔、谭 华 2005 高压物理学报 19 0113]
[46] [47] Weng J D, Tan H, Hu S L, Ma Y, Wang X 2005 Rev. Sci. Instrum. 76 093301
[48] [49] Weng J D, Tan H Wang X, Ma Y, Hu S L, Wang X S 2006 Appl. Phys. Lett. 89 111101
[50] [51] Yu Y Y, Tan H, Hu J B, Dai C D, Chen D N 2005 Chin. Phys. Lett. 22 1742
[52] [53] Hu J B, Tan H, Yu Y Y, Dai C D, Ran X W 2008 Acta Phys. Sin. 57 0405 (in Chinese) [胡建波、谭 华、俞宇颖、戴诚达、冉宪文 2008 物理学报 57 0405]
[54] [55] Carter W J 1973 High Temperature-High Pressure 5 316
[56] Marsh S P 1980 LASL Shock Hugoniot Data (Berkeley: University of California Press) p23
[57] [58] Plissier J L, Wetta N 2001 Physica A 289 459
[59] [60] [61] Wetta N, Plissier J L 2001 Physica A 289 479
[62] Cox G A 2007 Shock Compression of Condensed Matter(2007) (Hawai'i: America Institute of Physics) p151
[63]
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