|
|
This paper continues computer analysis of the un-indexed diffraction patterns in the ICDD PDF-2 database. Diffraction data of 289 different W compositions were selected from the database volumes №№1-50.
Experimental and calculated interplanar spacing and differences (dD = Dexp - Dcal) are listed in tables, which are presented in this paper. Number of reflections in a database cards was reduced to 12, which is sufficient to identify the crystalline phase. Exceptions were in the case of less number of reflections. Selected crystal lattices, in a few exceptions (low elevation), meet the necessary condition abs (dD) < (last sign Dexp), and also the modern authenticity criteria.
|
vol. 1-2
vol. 3
vol. 4-6
vol. 7-13
vol. 14-17
vol. 18-19
vol. 20-21
vol. 22
vol. 23-25
vol. 27
vol. 28
vol. 29-30
vol. 31-32
vol. 33-34
vol. 35-36
vol. 37-40
vol. 41-45
vol. 46-49
| |