Sintering and Properties of Titanium Diboride Made from Powder Synthesized in a Plasma-Arc Heater

The pressureless sintering to near theoretical density of high‐purity titanium diboride powder, produced in a plasma arc from halogen vapor reactants, is described. Physical and mechanical property measurements between 25° and 1400°C are reported for materials densified at T=1800° to 2275°C. Titaniu...

Full description

Saved in:
Bibliographic Details
Published in:Journal of the American Ceramic Society 1984-03, Vol.67 (3), p.207-212
Main Authors: BAUMGARTNER, H.R., STEIGER, R. A.
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The pressureless sintering to near theoretical density of high‐purity titanium diboride powder, produced in a plasma arc from halogen vapor reactants, is described. Physical and mechanical property measurements between 25° and 1400°C are reported for materials densified at T=1800° to 2275°C. Titanium diboride exhibits several unusual and interesting properties, which include high electronic conductivity, a large positive strength‐vs‐temperature coefficient, and an intrinsic resistance to high‐temperature slow crack growth (negative N) Property trends are explained in terms of microstructural development and residual grain‐boundary stresses.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1984.tb19744.x