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Title: Cutting tools and wear resistant articles and material for same

Patent ·
OSTI ID:873264

A ceramic having a relatively high proportion of an alpha prime SiAlON phase and exhibiting high hardness and toughness. In a particularly preferred embodiment, a cation of Gd is used as a modifying cation.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-84OR21400
Assignee:
Regents of University of Michigan (Ann Arbor, MI)
Patent Number(s):
US 6124225
Application Number:
09/124658
OSTI ID:
873264
Country of Publication:
United States
Language:
English

References (27)

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Temperature stability of samarium-doped α-sialon ceramics journal January 1996
α-SiAlON Grains with High Aspect Ratio—Utopia Or Reality? book January 1997
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Siaun Ceramics: Retrospect and Prospect journal January 1992
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Formation of α-sialons with dual modifying cations (Li _ Y and Ca _ Y) journal May 1997
Microstructure and Mechanical Properties of the in situ beta-Si3N4/alpha'-SiAlON Composite journal September 1994
A silicoboron carbonitride ceramic stable to 2,000°C journal August 1996
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In Situ-Toughened Silicon Carbide journal February 1994
Ytterbium-stabilized -sialon ceramics journal March 1996
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Homogeneity Region and Thermal Stability of Neodymium-Doped α-Sialon Ceramics journal March 1996
Relation Between Strength, Fracture Energy, and Microstructure of Hot-Pressed Si3N4 journal October 1973
Preferred orientation in hot-pressed Ca ?-SiAlON ceramics journal January 1996
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A tough SiAlON ceramic based on α-Si3N4 with a whisker-like microstructure journal October 1997