# US 2019/0169750 A1 · Coated article

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- Number: US 2019/0169750 A1
- Document ID: US20190169750A1
- Status: Published application
- Kind: A1
- Application number: 15/895,566
- Filed: 2018-02-13
- Published: 2019-06-06
- Earliest claimed: 2014-09-03
- Assignees: Silcotek Corp.
- Applicants: Silcotek Corp.
- Inventors: Min YUAN; David A. SMITH; Paul H. SILVIS; James B. MATTZELA
- Web page: https://patentgrep.com/patent/US20190169750A1

## CPC

- C23C 16/52: Controlling or regulating the coating process {(C23C16/45557, C23C16/279 take precedence)}
- C23C 16/22: characterised by the deposition of inorganic material, other than metallic material
- C23C 16/30: Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C 16/46: characterised by the method used for heating the substrate (C23C16/48, C23C16/50 take precedence)
- C23C 16/56: After-treatment
- C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04)

## Abstract

Coated articles are disclosed. One embodiment of a coated article includes a substrate capable of being subjected to corrosion and a deposited coating on the substrate. The deposited coating has silicon with the substrate resisting corrosion with the deposited coating on the substrate when exposed to 15% NaClO by a rate of at least 5% greater than the corrosion rate of a coating applied with the same process but without introducing the deposition gas at the sub-decomposition temperature and/or the substrate with the deposited coating having a 15% NaClO corrosion rate of between 0 and 3 mils per year.

## Claims

### Claim 1

A coated article, comprising:
a substrate capable of being subjected to corrosion; and
a deposited coating on the substrate, the deposited coating having silicon;
wherein one or both of:
the substrate resists the corrosion with the deposited coating on the substrate when exposed to 15% NaClO by a rate of at least 5% greater than the corrosion rate of a coating applied with the same process but without introducing the deposition gas at the sub-decomposition temperature; and
the substrate with the deposited coating has a 15% NaClO corrosion rate of between 0 and 3 mils per year.

### Claim 2 (depends on 1)

The coated article of claim 1, wherein the substrate is stainless steel.

### Claim 3 (depends on 1)

The coated article of claim 1, wherein the substrate is a nickel-based alloy.

### Claim 4 (depends on 1)

The coated article of claim 1, wherein the substrate is ferrous.

### Claim 5 (depends on 1)

The coated article of claim 1, wherein the substrate is non-ferrous.

### Claim 6 (depends on 1)

The coated article of claim 1, wherein the substrate is tempered

### Claim 7 (depends on 1)

The coated article of claim 1, wherein the substrate is non-tempered.

### Claim 8 (depends on 1)

The coated article of claim 1, wherein the substrate has an equiaxed microstructure.

### Claim 9 (depends on 1)

The coated article of claim 1, wherein the substrate has a directionally-solidified microstructure.

### Claim 10 (depends on 1)

The coated article of claim 1, wherein the substrate has a crystal microstructure.

### Claim 11 (depends on 1)

The coated article of claim 1, wherein the substrate is ceramic surface.

### Claim 12 (depends on 1)

The coated article of claim 1, wherein the substrate is a glass surface.

### Claim 13 (depends on 1)

The coated article of claim 1, wherein the substrate is ceramic matrix composite surface.

### Claim 14 (depends on 1)

The coated article of claim 1, wherein the substrate is a composite metal surface.

### Claim 15 (depends on 1)

The coated article of claim 1, wherein the coated article has a polarization-field loop that is linear.

### Claim 16 (depends on 1)

The coated article of claim 1, wherein the coated article has a polarization-field loop that is substantially linear.

### Claim 17

A coated article, comprising:
a substrate capable of being subjected to corrosion; and
a deposited coating on the substrate, the deposited coating having silicon;
wherein the substrate with the deposited coating has a 15% NaClO corrosion rate of between 0 and 3 mils per year; and
wherein the substrate is stainless steel.

### Claim 18

A coated article, comprising:
a substrate subject to corrosion; and
a deposited coating on the substrate, the deposited coating having silicon;
wherein degradation of the deposited coating over an eight-day period when immersed in salt water with a frequency of less than 100 Hz is less than 30%;
wherein the substrate resists corrosion with the deposited coating on the substrate when exposed to 15% NaClO by a rate of at least 5% greater than the corrosion rate of a coating applied with the same process but without introducing the deposition gas at the sub-decomposition temperature; and
wherein the substrate with the deposited coating has a 15% NaClO corrosion rate of between 0 and 3 mils per year.