You need JavaScript to view this

Molecular dynamical and structural studies for the bakelite by neutron cross section measurements; Estudos da estrutura e da dinamica moleculares da baquelite atraves de medidas de secoes de choque para neutrons

Technical Report:

Abstract

Neutron reaction cross sections were determined by transmission and scattering measurements, to study the dynamics and molecular structure of calcined bakelites. Total cross sections were determined, with a deviation smaller than 5%, from the literature values, by neutron transmission method and a specially devised approximation. These cross sections were then correlated with data obtained with infra-red spectroscopy, elemental analysis and other techniques to get the probable molecular formulae of bakelite. Double differential scattering cross sections, scattering law values and frequency distributions were determined with 15% error using the neutron inelastic scattering method. The frequency distributions as well as the overall results from all experimental techniques used in this work allowed to suggest a structural model like polycyclic hydrocarbons, for calcined bakelite at 800{sup 0} C. (author).
Authors:
Publication Date:
May 01, 1992
Product Type:
Technical Report
Report Number:
IEN-36/92
Reference Number:
SCA: 360602; 663610; 400101; PA: AIX-24:002401; SN: 93000913243
Resource Relation:
Other Information: PBD: May 1992
Subject:
36 MATERIALS SCIENCE; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; BAKELITE; MOLECULAR STRUCTURE; TOTAL CROSS SECTIONS; STRUCTURAL CHEMICAL ANALYSIS; CALCINATION; NEUTRON SPECTRA; SCATTERING; TEMPERATURE RANGE 1000-4000 K; POLYCYCLIC AROMATIC HYDROCARBONS; 360602; 663610; 400101; STRUCTURE AND PHASE STUDIES; NEUTRON PHYSICS; ACTIVATION, NUCLEAR REACTION, RADIOMETRIC, AND RADIOCHEMICAL PROCEDURES
OSTI ID:
10108810
Research Organizations:
Instituto de Engenharia Nuclear (IEN), Rio de Janeiro, RJ (Brazil)
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
Other: ON: DE93609444; TRN: BR9230677002401
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
[54] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Voi, D L. Molecular dynamical and structural studies for the bakelite by neutron cross section measurements; Estudos da estrutura e da dinamica moleculares da baquelite atraves de medidas de secoes de choque para neutrons. Brazil: N. p., 1992. Web.
Voi, D L. Molecular dynamical and structural studies for the bakelite by neutron cross section measurements; Estudos da estrutura e da dinamica moleculares da baquelite atraves de medidas de secoes de choque para neutrons. Brazil.
Voi, D L. 1992. "Molecular dynamical and structural studies for the bakelite by neutron cross section measurements; Estudos da estrutura e da dinamica moleculares da baquelite atraves de medidas de secoes de choque para neutrons." Brazil.
@misc{etde_10108810,
title = {Molecular dynamical and structural studies for the bakelite by neutron cross section measurements; Estudos da estrutura e da dinamica moleculares da baquelite atraves de medidas de secoes de choque para neutrons}
author = {Voi, D L}
abstractNote = {Neutron reaction cross sections were determined by transmission and scattering measurements, to study the dynamics and molecular structure of calcined bakelites. Total cross sections were determined, with a deviation smaller than 5%, from the literature values, by neutron transmission method and a specially devised approximation. These cross sections were then correlated with data obtained with infra-red spectroscopy, elemental analysis and other techniques to get the probable molecular formulae of bakelite. Double differential scattering cross sections, scattering law values and frequency distributions were determined with 15% error using the neutron inelastic scattering method. The frequency distributions as well as the overall results from all experimental techniques used in this work allowed to suggest a structural model like polycyclic hydrocarbons, for calcined bakelite at 800{sup 0} C. (author).}
place = {Brazil}
year = {1992}
month = {May}
}