A rapid method for pressure-mapping ultrasound fields using a moving hydrophone

2021 ◽  
Vol 150 (4) ◽  
pp. A55-A55
Author(s):  
David Giraud ◽  
Babak Nazer
Keyword(s):  
Rapid Method ◽  
Pressure Mapping

Texture measurements in Al2O3 using BEKP

1994 ◽  
Vol 52 ◽  
pp. 608-609
Author(s):  
M. D. Vaudin ◽  
J. P. Cline
Keyword(s):  
Neutron Diffraction ◽  
Rapid Method ◽  
Crystallographic Orientation ◽  
Specimen Surface ◽  
X Ray Diffraction ◽  
Anisotropic Crystal ◽  
X Ray ◽  
Verification Method ◽  
Crystal Properties ◽  
Backscattered Electron

The study of preferred crystallographic orientation (texture) in ceramics is assuming greater importance as their anisotropic crystal properties are being used to advantage in an increasing number of applications. The quantification of texture by a reliable and rapid method is required. Analysis of backscattered electron Kikuchi patterns (BEKPs) can be used to provide the crystallographic orientation of as many grains as time and resources allow. The technique is relatively slow, particularly for noncubic materials, but the data are more accurate than any comparable technique when a sufficient number of grains are analyzed. Thus, BEKP is well-suited as a verification method for data obtained in faster ways, such as x-ray or neutron diffraction. We have compared texture data obtained using BEKP, x-ray diffraction and neutron diffraction. Alumina specimens displaying differing levels of axisymmetric (0001) texture normal to the specimen surface were investigated.BEKP patterns were obtained from about a hundred grains selected at random in each specimen.

A Rapid Method of taking Soil Samples from Field Plots 1

1924 ◽  
Vol 16 (8) ◽  
pp. 486-488
Author(s):  
E. P. Deatrick ◽  
O. C. Bryan
Keyword(s):  
Rapid Method ◽  
Soil Samples ◽  
Field Plots
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