Methods and apparatus providing a substrate having a coating with an elastic modulus gradient
US9776913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Sep 30, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24983
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Methods and apparatus are provide for: a substrate having first and second opposing surfaces, and an elastic modulus; and layer(s) having a thickness between first and second opposing surfaces thereof, the first surface of the layer contacting the second surface of the substrate, forming an interface. The layer may exhibit one or more of: a first elastic modulus proximate to the first surface thereof and a second elastic modulus proximate to the second surface thereof, the second elastic modulus being substantially higher than the elastic modulus value, the first elastic modulus being lower than the elastic modulus of the substrate, the second elastic modulus being higher than the elastic modulus of the substrate, and the layer exhibiting an increasing elastic modulus gradient through the thickness thereof from the first elastic modulus to the second elastic modulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.