Ferroelastic ceramic compositions, applications thereof, and related methods
AssigneeColorado School of Mines
InventorsTaylor M. Wilkinson, Matt Musselman, Corinne E. Packard
Life of this patent
Estimating the term…
Abstract
An example ferroelastic ceramic composition includes at least one compound having a relative chemical formula of AXBYC(1-X-Y)D. Element A, element B, and element C are independently selected from different members of the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. Element D is selected from the group consisting of phosphate, niobate, and tungstate. X and Y are each equal to or greater than zero and less than one. X and Y are collective less than one.
Claims19
A ferroelastic ceramic composition comprising:
- at least one compound having a relative chemical formula of A(1-X-Y)BxCYD wherein:
- an element A, an element B, and an element C are independently selected from different members of the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium;
- an element D is selected from the group consisting of a phosphate, a niobate, and a tungstate, wherein the phosphate is PO4, the niobate is NbO3, and the tungstate is WO4;
- X is equal to or greater than zero and less than one;
- and
- Y is equal to or greater than zero and less than one;
- wherein X and Y are collectively less than one;
- wherein the ferroelastic ceramic composition is a single crystal.
A method of using a ferroelastic ceramic composition, the method comprising:
- applying a load to at least a portion of the ferroelastic ceramic composition, the ferroelastic ceramic composition including at least one compound having a relative chemical formula of A(1-X-Y)BxCYD, wherein:
- an element A, an element B, and an element C are independently selected from different members of the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium;
- an element D is selected from the group consisting of phosphate, niobate, or tungstate, wherein the phosphate is PO4, the niobate is NbO3, and the tungstate is WO4;
- X is a number that is equal to or greater than zero and less than one;
- and
- Y is a number that is equal to or greater than zero and less than one;
- wherein X and Y are collectively less than one;
- wherein the ferroelastic ceramic composition is a single crystal;
- and
- after applying a load to at least a portion of the ferroelastic ceramic composition, removing the load the at least a portion of the ferroelastic ceramic composition aterial.
Dependencies are inferred from the claim text.