Publication Date:
2019-06-28
Description:
Two lots of alpha silicon carbide were isostatically hot-pressed under 138 MPa for 2 h in Ar at temperatures up to 2200 C. Nearly theoretically dense specimens resulted. Hot isostatic pressing increased both room-temperature strength and 1200 C strength, and resulted in improved reliability. One lot of material which was pressed at 2200 C showed increases of about 20 percent in room-temperature strength and about 50 percent in 1200 C flexural strength; the Weibull modulus improved about 100 percent.
Keywords:
NONMETALLIC MATERIALS
Type:
American Ceramic Society Bulletin (ISSN 0002-7812); 64; 1253-125
Format:
text