Sintered materials studied by small-angle neutron scattering

P. Harmat, L. Bartha, T. Grósz, L. Rosta

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Sintered single-phase materials with open or closed porosity are usually described by a two phase model. During sintering, the decrease of pore volume is accompanied with decreasing internal surface area measured by SANS. Such investigation can be extended to sintered WC-Co composites made from nano-crystalline powder having different kinds of internal surfaces. The deformation of remaining porosity after sintering can also be monitored by the 2D anisotropy of SANS distribution as the sintered body is processed through several steps of thermo-mechanical treatment. The macroscopic deformation of doped tungsten wire is followed by the elongation of the potassium gas filled bubbles and the annealing causes spheroidization with vanishing SANS anisotropy. The SANS method establishes a new description of mechanisms of thermomechanical processing.

Original languageEnglish
Pages (from-to)826-829
Number of pages4
JournalPhysica B: Condensed Matter
Volume276-278
DOIs
Publication statusPublished - Mar 2000

Fingerprint

Neutron scattering
neutron scattering
Anisotropy
Sintering
Porosity
porosity
Nanocrystalline powders
Thermomechanical treatment
Tungsten
sintering
thermomechanical treatment
Potassium
Elongation
anisotropy
Gases
Wire
Annealing
elongation
potassium
Composite materials

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Sintered materials studied by small-angle neutron scattering. / Harmat, P.; Bartha, L.; Grósz, T.; Rosta, L.

In: Physica B: Condensed Matter, Vol. 276-278, 03.2000, p. 826-829.

Research output: Contribution to journalArticle

@article{e271639e55724fe3b37fb2ddef800e6b,
title = "Sintered materials studied by small-angle neutron scattering",
abstract = "Sintered single-phase materials with open or closed porosity are usually described by a two phase model. During sintering, the decrease of pore volume is accompanied with decreasing internal surface area measured by SANS. Such investigation can be extended to sintered WC-Co composites made from nano-crystalline powder having different kinds of internal surfaces. The deformation of remaining porosity after sintering can also be monitored by the 2D anisotropy of SANS distribution as the sintered body is processed through several steps of thermo-mechanical treatment. The macroscopic deformation of doped tungsten wire is followed by the elongation of the potassium gas filled bubbles and the annealing causes spheroidization with vanishing SANS anisotropy. The SANS method establishes a new description of mechanisms of thermomechanical processing.",
author = "P. Harmat and L. Bartha and T. Gr{\'o}sz and L. Rosta",
year = "2000",
month = "3",
doi = "10.1016/S0921-4526(99)01303-4",
language = "English",
volume = "276-278",
pages = "826--829",
journal = "Physica B: Condensed Matter",
issn = "0921-4526",
publisher = "Elsevier",

}

TY - JOUR

T1 - Sintered materials studied by small-angle neutron scattering

AU - Harmat, P.

AU - Bartha, L.

AU - Grósz, T.

AU - Rosta, L.

PY - 2000/3

Y1 - 2000/3

N2 - Sintered single-phase materials with open or closed porosity are usually described by a two phase model. During sintering, the decrease of pore volume is accompanied with decreasing internal surface area measured by SANS. Such investigation can be extended to sintered WC-Co composites made from nano-crystalline powder having different kinds of internal surfaces. The deformation of remaining porosity after sintering can also be monitored by the 2D anisotropy of SANS distribution as the sintered body is processed through several steps of thermo-mechanical treatment. The macroscopic deformation of doped tungsten wire is followed by the elongation of the potassium gas filled bubbles and the annealing causes spheroidization with vanishing SANS anisotropy. The SANS method establishes a new description of mechanisms of thermomechanical processing.

AB - Sintered single-phase materials with open or closed porosity are usually described by a two phase model. During sintering, the decrease of pore volume is accompanied with decreasing internal surface area measured by SANS. Such investigation can be extended to sintered WC-Co composites made from nano-crystalline powder having different kinds of internal surfaces. The deformation of remaining porosity after sintering can also be monitored by the 2D anisotropy of SANS distribution as the sintered body is processed through several steps of thermo-mechanical treatment. The macroscopic deformation of doped tungsten wire is followed by the elongation of the potassium gas filled bubbles and the annealing causes spheroidization with vanishing SANS anisotropy. The SANS method establishes a new description of mechanisms of thermomechanical processing.

UR - http://www.scopus.com/inward/record.url?scp=0033894085&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033894085&partnerID=8YFLogxK

U2 - 10.1016/S0921-4526(99)01303-4

DO - 10.1016/S0921-4526(99)01303-4

M3 - Article

AN - SCOPUS:0033894085

VL - 276-278

SP - 826

EP - 829

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

ER -