Patent · US Expired

Ceramic shape memory element

US4767730A · kind A · utility

8Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1986
Grant dateAug 30, 1988
Priority date
Expiry dateSep 19, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2237/84
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed herein is a ceramic shape memory element containing zirconia. A ceramic article is also disclosed which contains at least one of tetragonal zirconia and monoclinic zirconia, and is subjected to plastic deformation through phase transformation caused by maintaining the article at a given temperature, and/or imposing a given stress thereupon. Methods of processing and joining the ceramic article by utilizing the shape memory phenomenon peculiar to such a ceramic article are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.