BULK SUPERHEATING OF SOLID KBR AND CSBR WITH SHOCK-WAVES

被引：49

作者：

BONESS, DA ^{[1
]}

BROWN, JM ^{[1
]}

机构：

[1] UNIV WASHINGTON,GRAD PROGRAM GEOPHYS,SEATTLE,WA 98195

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.71.2931

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed bulk solid superheating of the order of 650 K and persisting for DELTAt > 500 ns in shocked single crystals of KBr at 22 to 33 GPa and CsBr at 30 to 42 GPa. These experiments use nanosecond-resolution, twelve-channel optical pyrometry to measure the temperature of the advancing shock front in the crystal, and the rarefaction-overtake technique to simultaneously measure sound velocity. This novel combination of measurements allows a virtually continuous determination of Hugoniot temperature versus pressure or density for transparent crystals.

引用

页码：2931 / 2934

页数：4

共 25 条

[11] KORMER SB, 1969, SOV PHYS JETP-USSR, V28, P852
[12] OPTICAL STUDY OF CHARACTERISTICS OF SHOCK-COMPRESSED CONDENSED DIELECTRICS
KORMER, SB
[J]. SOVIET PHYSICS USPEKHI-USSR, 1968, 11 (02): : 229 - +
[13] KORMER SB, 1965, ZH EKSP TEOR FIZ, V21, P689
[14] KURZ H, 1987, MATER RES SOC S P, V74, P3
[15] SHOCK TEMPERATURE-MEASUREMENTS IN MG2SIO4 AND SIO2 AT HIGH-PRESSURES
LYZENGA, GA
AHRENS, TJ
[J]. GEOPHYSICAL RESEARCH LETTERS, 1980, 7 (02) : 141 - 144
[16] SHOCK TEMPERATURES OF SIO2 AND THEIR GEOPHYSICAL IMPLICATIONS
LYZENGA, GA
AHRENS, TJ
MITCHELL, AC
[J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1983, 88 (NB3): : 2431 - 2444
[17] McQueen R.G., 1970, HIGH VELOCITY IMPACT, P244
[18] OPTICAL TECHNIQUE FOR DETERMINING RAREFACTION WAVE VELOCITIES AT VERY HIGH-PRESSURES
MCQUEEN, RG
HOPSON, JW
FRITZ, JN
[J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1982, 53 (02) : 245 - 250
[19] MCQUEEN RG, UNPUB
[20] MELTING CURVES OF POTASSIUM HALIDES AT HIGH PRESSURES
PISTORIUS, CW
[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 1965, 26 (09) : 1543 - +

← 1 2 3 →