Method for improving the toughness of silicon carbide-based ceramics

Patent · Tue Dec 03 00:00:00 EST 1996

OSTI ID:415774

Tein, T Y; Hilmas, G E

Method of improving the toughness of SiC-based ceramics is disclosed. SiC, , AlN, Al{sub 2}O{sub 3} and optionally {alpha}-Si{sub 3}N{sub 4} are hot pressed to form a material which includes AlN polytypoids within its structure. 1 fig.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• DOE Contract Number: AC05-84OR21400
• Assignee: Univ. of Michigan, Ann Arbor, MI (United States)
• Patent Number(s): US 5,580,510/A/
• Application Number: PAN: 8-166,675
• OSTI ID: 415774
• Resource Relation: Other Information: PBD: 3 Dec 1996
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
SILICON CARBIDES
FRACTURE PROPERTIES
HOT PRESSING
ALUMINIUM NITRIDES
ALUMINIUM OXIDES
SILICON NITRIDES
MICROSTRUCTURE