Notice on the organization of advanced research class on high-pressure science and new materials of engineering knowledge of professional and technical personnel Notice on the organization of advanced research class on high-pressure science and new materials of engineering knowledge of professional and technical personnel

1989 Vol. 3, No. 1

  Previous Issue | Next Issue 
Display Method:
Numerical Simulation on the Spallation of a Steel Cylindrical Shell Imploded under Slipping Detonation
DONG Yu-Bin, SU Lin-Xiang, CHEN Da-Nian, JING Fu-Qian, HAN Jun-Wan, FENG Jia-Bo
1989, 3(1): 1-10 . doi: 10.11858/gywlxb.1989.01.001
PDF (608)
Abstract:
The spallation experiment of a steel cylindrical shell imploded under slipping detonation was reported by Иванов et al., but the measured and calculated results, showed in that paper, are not in accord very well in values. In this paper, we utilized the method of damage-level function to carry out t...
Research on Transparent Boron-Skin Diamond Formed with Natural Diamond
ZHANG Qing-Fu, GOU Qing-Quan, LIU Lü-Hua, HE Ming
1989, 3(1): 11-17 . doi: 10.11858/gywlxb.1989.01.002
PDF (653)
Abstract:
This paper presents a little boron permeated on the surface of natural diamond to form boron skin with the ion implantation method. Tests are done to find whether its heat resistance might be improved. A low-energy ion-implantation device has been designed and improved. Two sources (B2O3 and pure bo...
Pressure Effect on Structural Relaxation of Zr70Cu30 Amorphous Alloy on Annealing
CHEN Gui-Yun, YIN Xiu-Jun, ZHANG Yun, LIU Zhi-Yi, SHEN Zhong-Yi
1989, 3(1): 18-24 . doi: 10.11858/gywlxb.1989.01.003
PDF (612)
Abstract:
The relaxation behavior of superconducting transition temperature (Tc), which to a great extent may characterize the geometric short-range ordering process in amorphous alloys was examined on Zr70Cu30 metglas on pressure annealing below its gasification temperature. The obtained results show that Tc...
Study on the High Pressure Synthesis of Transparent Boron Skin Diamond
GOU Qing-Quan, CAO Guo-Ying, DING Li-Ye, LIU Xiao-Ping
1989, 3(1): 25-30 . doi: 10.11858/gywlxb.1989.01.004
PDF (584)
Abstract:
According to the theoretical model of boron skin diamond, a new kind of transparent light-yellow diamond has been produced from graphite by micro doping with boron to a certain content and distribution. It has high strength and good thermal stability and its antioxidation temperature is 200 ℃ higher...
Resistivity and Hugoniot Measurements of Polytetrofluoroethylene (Teflon) under Shock Compression
GU Cheng-Gang, JING Fu-Qian, XIE Pan-Hai, WANG Jin-Gui
1989, 3(1): 31-41 . doi: 10.11858/gywlxb.1989.01.005
PDF (644)
Abstract:
Experimental results of resistivity and Hugoniot measurements for the Teflon of home-made (SFB-1) in the pressure range of 10~45 GPa are reported in this paper. The main results are: the resistivity is a monotonous decrease function of pressure, from 2.45105 #8226;cm at 10 GPa to 1.73103 #8226;cm at...
High-Pressure and Temperature Syntheses and Structural Stability Studies of Some Rare-Earth Oxides
LI Qiang-Min, SU Wen-Hui, LONG Xiang, WU Dai-Ming, GAO Zhong-Min
1989, 3(1): 42-50 . doi: 10.11858/gywlxb.1989.01.006
PDF (728)
Abstract:
By using high pressure and temperature method for the first time and under the conditions of 3.2~4.0 GPa, 1 000~1 300 ℃, the synthetic experiments for the rare earth oxide systems of CeO2-R2O3 (R=Eu, Gd), CeO2-Tb4O11, Pr6O11-Tb4O7 were made, and the products of F-CeEuO3.5, -CeGdO3.5, -CeTbO3.5; B-Ce...
Molecular Dynamics Study on Equation of State
ZHANG Chun-Bin
1989, 3(1): 51-57 . doi: 10.11858/gywlxb.1989.01.007
PDF (734)
Abstract:
We discussed principal problems in studying equation of state by use of molecular dynamics method and calculated EOS of Ar with MD code developed by ourselves (three dimension continuous potential). The calculated results are in agreement with experimental data very well.
Fe26 Equation of State Calculations for Hot Dense Matter at Arbitrary Density and Temperature
XUE Fu-Zeng, LI Zhao-Ning, PAN Shou-Fu
1989, 3(1): 58-66 . doi: 10.11858/gywlxb.1989.01.008
PDF (670)
Abstract:
In the spherical lattice cell, central-field and relativistic Fermi statistics approximations, an algorithm is presented with average atom model to calculate electron levels and the equation of state for hot and dense matter at arbitrary density and temperature. Zink's analytic potential is chosen a...
Experimental Studies of Hugoniot for Powder Mixture of BaCO3 and TiO2 and Shock Wave Synthesis of BaTiO3
CHEN Xu, JIN Xiao-Gang, YANG Mu-Song
1989, 3(1): 67-77 . doi: 10.11858/gywlxb.1989.01.009
PDF (585)
Abstract:
Hugoniot data for powder mixture of BaCO3 and TiO2 have been measured in the range 10 to 100 GPa according to impedance match principle using chemical explosive driven shock wave and flash gap slit sweeping photography of high speed rotating mirror camera. Recovery experiments with axial symmetric a...
Studies of Piezoelectric Behaviors for PVF2 under Dynamic Loadings
SUN Zhu-Mei, HU Dong
1989, 3(1): 78-84 . doi: 10.11858/gywlxb.1989.01.010
PDF (740)
Abstract:
The piezoelectric behaviors of PVF2 (polyvinylidene fluoride) under dynamic loadings (0.01~4 MPa) are studied by means of explosion shock tube. It is found in the experiments that the piezoelectric sensitivity abruptly decreases for the loading pressures larger than 0.25 MPa, and approaches a consta...
Bimetallic-Junction Shock Pressure Sensors
ZHANG En-Guan
1989, 3(1): 85-92 . doi: 10.11858/gywlxb.1989.01.011
PDF (838)
Abstract:
This paper briefly describes the behaviors, feature, construction and application of the bimetallic junction sensor. It also presents the construction parameters for three combined types of sensors and their V-p curves under the experimental conditions, which show that there principally exists a lin...

Copyright©《高压物理学报》编辑部

Tel:0816-2490042 E-mail:gaoya@caep.cn

Shu ICP, 11011126 -2

Supported by: Beijing Renhe Information Technology Co. Ltd support: info@rhhz.net