Results 291 to 300 of about 31,508 (332)

Quantum-well states under biaxial compression and tension

Physical Review B, 1989
Differences in the thermal expansion of a thin GaAs/${\mathrm{Al}}_{\mathrm{x}}$${\mathrm{Ga}}_{1\mathrm{\ensuremath{-}}\mathrm{x}}$As multiple-quantum-well (MQW) sample and a thick sample holder to which it is fixed, lead, by varying the temperature, to a homogeneous biaxial strain in the MQW sample.
, Schlierkamp, , Wille, , Greipel, , Rössler, , Schlapp, , Weimann   +5 more
openaire   +2 more sources

Strength of Concrete Under Biaxial Compression

ACI Journal Proceedings, 1965
A CRITERION FOR FAILURE OF CONCRETE UNDER COMBINED STRESSES HAS BEEN STUDIED BY TESTING CONCRETE CUBES TO FAILURE UNDER BIAXIAL COMPRESSION. FROM THE RESULTS OF THESE TESTS, CORRELATIONS BETWEEN THE OCTAHEDRAL NORMAL AND SHEAR STRESSES AND THE PRINCIPAL STRESSES IN DIMENSIONLESS FORM WERE OBTAINED.
openaire   +1 more source

Biaxial Compression Testing of Refractory Concretes

1983
In the past, the design of large refractory lined process vessels, such as used in coal gasification, has been based on operating experience. During the 1970’s, efforts were funded by the Department of Energy (DOE) to develop mathematical models that would predict the thermo-mechanical behavior of refractory concrete lined coal gasification process ...
Albert H. Bremser, Oral Buyukozturk
openaire   +1 more source

The dynamics of interacting folds under biaxial compressive stresses

Soft Matter, 2016
The gradual in-plane compression of a solid film bonded to a soft substrate can lead to surface wrinkling and even to the formation of a network of folds for sufficiently high strain. An understanding of how these folds initiate, propagate, and interact with each other is still lacking.
Hyunjae, Shin, Atray C, Dixit, Howard A, Stone, Manouk, Abkarian, Pilnam, Kim   +4 more
openaire   +2 more sources

Tests of long plates under biaxial compression

Journal of Constructional Steel Research, 1993
Abstract A plate test rig has been modified to apply biaxial compressive loads to rectangular plates. Attention was paid to defining boundary conditions and ensuring that loadings were correctly measured. Test plates were of 6 mm thick high-yield structural steel, containing residual stresses and initial out-of-flatness. Tests measured the effect of
C.D. Bradfield, R.W.P. Stonor, K.E. Moxham   +2 more
openaire   +1 more source

The biaxial-compression apparatus for diamond synthesis

Journal of Superhard Materials, 2008
A device for diamond synthesis, the pressure cavity of which is formed by radially positioned four step punches enclosed in the body, has been suggested. Each punch is connected with the body by two mutually perpendicular planes, one of which is parallel to the cavity axis and the other is inclined to it.
openaire   +1 more source

Development of measurement system for biaxial compression apparatus

2011 International Conference on Remote Sensing, Environment and Transportation Engineering, 2011
This paper developed a set of measurement system, which included data acquisition unit, signal modification unit and signal sensor unit. The system was demonstrated for its simplicity and stability during initial experiment, showing its essential for the investigation of the micro-fabric change and mechanical behavior.
null Zheng Rui-hua, Jian-min Zhang, Lian-wei Zhang, Ga Zhang, null Zhang Lei   +4 more
openaire   +1 more source

Confined excitons under biaxial compression and tension

Surface Science, 1990
The properties of confined excitons have been investigated under both biaxial compression and tension, which result upon cooling from the different thermal expansion coefficients of a thin GaAs/AlGaAs multiple quantum well (MQW) sample and various sample holders.
M. Schlierkamp, R. Wille, K. Greipel, U. Rössler, W. Schlapp, G. Weimann   +5 more
openaire   +1 more source

A Fatigue Test Machine for Biaxial Compression of Concrete

Journal of Testing and Evaluation, 1988
Abstract A 980 kN (220 000 lb) capacity test machine has been developed to study the fatigue behavior of concrete under biaxial compression. It features a load bifurcation mechanism and brush-type loading platens. Concrete plates 15.2 by 15.2 by 3.8 cm (6 by 6 by 1.5 in.) can be tested with the two principal stress ratios ranging from 0 (
ECM Su, TTC Hsu
openaire   +1 more source

Analysis of granule fracture under biaxial compression

Ceramics International, 2017
Abstract In this study, the mechanism of granule fracture under biaxial compression was investigated through both experimental and simulation methods. The results of the experiment indicate that the fracture behavior differs depending on the number of compressional axes.
Hiroshi Satone, Kenji Iimura, Tsubasa Teraoka, Taisuke Hanafusa, Shuhei Hisatani, Masashi Nishiwaki, Michitaka Suzuki   +6 more
openaire   +1 more source