Ultralimit alloy and preparation method therefor

Patent metadata

Field	Value
Publication number	US-11530485-B2
Application number	US-201917419250-A
Country	US
Kind code	B2
Filing date	Nov 12, 2019
Priority date	Dec 29, 2018
Publication date	Dec 20, 2022
Grant date	Dec 20, 2022

Abstract

The present disclosure belongs to the field of preparation technology and provides an ultralimit alloy and a preparation method therefor. The ultralimit alloy comprises an alloy matrix. A bonding layer and a ceramic layer are successively deposited on a surface of the alloy matrix. The alloy matrix includes one of a magnesium alloy matrix, an aluminium alloy matrix, a titanium alloy matrix, an iron alloy matrix, a nickel alloy matrix, a copper alloy matrix, a zirconium alloy, and a tin alloy. For an ultralimit magnesium alloy, an ultralimit aluminium alloy, an ultralimit nickel alloy, an ultralimit titanium alloy, an ultralimit iron alloy and an ultralimit copper alloy, the bonding layer is a composite bonding layer, the ceramic layer is a composite ceramic layer, and the outside of the composite ceramic layer is further successively deposited with a reflecting layer, a catadioptric layer, an insulating layer and a carbon foam layer.

First claim

The invention claimed is:

1. An ultralimit alloy, comprising an alloy matrix, wherein a composite bonding layer and a composite ceramic layer are successively deposited on a surface of the alloy matrix; the composite bonding layer includes a bonding layer deposited on the surface of the alloy matrix and a precious metal layer deposited on a surface of the bonding layer; the composite ceramic layer includes a ceramic A layer and a ceramic B layer; and the alloy matrix includes one of a magnesium alloy matrix, an aluminum alloy matrix, a nickel alloy matrix, a titanium alloy matrix, an iron alloy matrix, and a copper alloy matrix;
Wherein, a reflecting layer, a catadioptric layer, an insulating layer, and a carbon foam layer are successively deposited outside the composite ceramic layer.

2. The ultralimit alloy according to claim 1 , wherein a composition of the bonding layer is one or more of MCrAlY, NiAl, NiCr—Al and Mo alloy;
MCrAlY is NiCrCoAlY, NiCoCrAlY, CoNiCrAlY or CoCrAlY; a composition of the precious metal layer is one of or an alloy of more of Au, Pt, Ru, Rh, Pd, and Ir.

3. The ultralimit alloy according to claim 1 , wherein a composition of the ceramic A layer is YSZ or rare earth zirconate (RE 2 Zr 2 O 7 ), and a composition of the ceramic B layer is ZrO 2 -RETaO 4 , wherein the RE refers to a rare earth element.

4. The ultralimit alloy according to claim 1 , wherein a composition of the reflecting layer is one or more of REVO 4 , RETaO 4 , and Y 2 O 3 wherein the RE refers to a rare earth element.

5. The ultralimit alloy according to claim 1 , wherein a composition of the catadioptric layer is one or two of graphene and boron carbide, and the spatial distribution of the graphene and boron carbide are in a disorderly arranged state.

6. The ultralimit alloy according to claim 1 , wherein a composition of the insulating layer is one or more of epoxy resin, phenolic resin, and ABS resin.

7. The ultralimit alloy according to claim 1 , wherein
a composition of the bonding layer is one or more of MCrAlY, NiAl, NiCr—Al and Mo alloy; MCrAlY is NiCrCoAlY, NiCoCrAlY, CoNiCrAlY or CoCrAlY; a composition of the precious metal layer is one of or an alloy of more of Au, Pt, Ru, Rh, Pd, and Ir;
a composition of the ceramic A layer is YSZ or rare earth zirconate (RE 2 Zr 2 O 7 ), and a composition of the ceramic B layer is ZrO 2 -RETaO 4 wherein the RE refers to a rare earth element;
a composition of the reflecting layer is one or more of REVO 4 , RETaO 4 , and Y 2 O 3 , wherein the RE refers to a rare earth element;
a composition of the catadioptric layer is one or two of graphene and boron carbide, and the spatial distribution of the graphene and boron carbide are in a disorderly arranged state; and
a composition of the insulating layer is one or more of epoxy resin, phenolic resin, and ABS resin.

8. A method for preparing the ultralimit alloy according to claim 1 , comprising the following operations:
operation 1: depositing a bonding layer on a surface of the alloy matrix; depositing a precious metal layer on a surface of the bonding layer, such that the bonding layer and the precious metal layer form a composite bonding layer;
operation 2: depositing a ceramic A layer and a ceramic B layer on a surface of the composite bonding layer obtained in operation 1, such that the ceramic A layer and the ceramic B layer form a composite ceramic layer;
operation 3: depositing a reflecting layer on a surface of the composite ceramic layer obtained in operation 2;
operation 4: depositing a catadioptric layer on a surface of the reflecting layer obtained in operation 3;
operation 5: depositing an insulating layer on a surface of the catadioptric layer obtained in operation 4;
operation 6: depositing a carbon foam layer on a surface of the insulating layer obtained in operation 5, to form the ultralimit alloy.

9. The method for preparing the ultralimit alloy according to claim 8 , wherein in operation 2, the ZrO 2 -RETaO 4 forming the ceramic B layer has a shape of powder, the ZrO 2 -RETaO 4 powder has a particle size of 10-70 μm, and particles of the ZrO 2 -RETaO 4 powder are spherical, wherein the RE refers to a rare earth element.

10. The method for preparing the ultralimit alloy according to claim 8 , wherein in operation 1, before the depositing of the bonding layer, a surface of the alloy matrix is subjected to pretreatment, wherein the pretreatment includes removal of oil stains and impurities; after the surface of the alloy matrix is pretreated, the surface of the alloy matrix is shot peened, such that a surface roughness of the alloy matrix is 60-100 μm.

11. An ultralimit zirconium alloy, comprising a zirconium alloy matrix, wherein a surface of the zirconium alloy matrix is successively deposited with a bonding layer, a precious metal layer, a ceramic A layer, and a ceramic B layer;
wherein a thickness of the bonding layer is 50-150 μm, a thickness of the precious metal layer is 10-20 μm, a thickness of the ceramic A layer is 50-80 μm, and a thickness of the ceramic B layer is 50-80 μm; a surface of the ceramic B layer is successively deposited with a seal coating layer with a thickness of 5-10 μm, a reflecting layer with a thickness of 10-15 μm, a catadioptric layer with a thickness of 10-15 μm, and an electrically insulating layer with a thickness of 15-20 μm.

12. The ultralimit zirconium alloy according to claim 11 , wherein a composition of the bonding layer is MCrAlY, wherein MCrAlY is CoCrAlY, NiCoCrAlY or CoNiCrAlY; a composition of the precious metal layer is one of or an alloy of more of Pt, Ru, Rh, Pd, Ir, and Os.

13. A method for preparing the ultralimit zirconium alloy according to claim 11 , comprising the following operations:
operation 1: depositing a bonding layer with a thickness of 50-150 μm on a surface of the zirconium alloy matrix;
operation 2: depositing a precious metal layer with a thickness of 10-20 μm on a surface of the bonding layer;
operation 3: depositing a ceramic A layer with a thickness of 50-80 μm on a surface of the precious metal layer;
operation 4: depositing a ceramic B layer with a thickness of 50-80 μm on a surface of the ceramic A layer;
operation 5: depositing a seal coating layer with a thickness of 5-10 μm on a surface of the ceramic B layer;
operation 6: depositing a reflecting layer with a thickness of 10-15 μm on a surface of the seal coating layer;
operation 7: depositing a catadioptric layer with a thickness of 10-15 μm on a surface of the reflecting layer; and
operation 8: depositing an electrically insulating layer with a thickness of 15-20 μm on a surface of the catadioptric layer, to prepare the ultralimit zirconium alloy.

14. The method for preparing the ultralimit zirconium alloy according to claim 13 , wherein in operation 1, before the depositing of the bonding layer, oil stains on a surface of the zirconium alloy matrix are removed; the surface of the zirconium alloy matrix is then sandblasted, such that a surface roughness of the zirconium alloy matrix is 60-100 μm.

15. An ultralimit tin alloy, wherein the ultralimit tin alloy is a weld material, comprising a tin alloy matrix, wherein a surface of the tin alloy matrix is successively deposited with a bonding layer, a ceramic layer, and a seal coating layer;
wherein a thickness of the bonding layer is 50-180 μm, a thickness of the ceramic layer is 50-80 μm, a thickness of the seal coating layer is 5-15 μm; the seal coating layer is successively deposited with a reflecting layer with a thickness of 5-15 μm, a catadioptric layer with a thickness of 5-15 μm, and an insulating layer with a thic

Assignees

• Univ Kunming Science & Technology

Inventors

• Feng Jing
• Wu fushuo
• Zheng Qi
• Yang Kailong
• Li Chao
• Song Peng
• Chong Xiaoyu
• Ge Zhenhua
• Chen Lin
• Wang Jun

Classifications

• C23C4/073

  containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements · CPC title

• C04B2235/3225

  Yttrium oxide or oxide-forming salts thereof · CPC title

• C04B35/64

  Burning or sintering processes (C04B33/32 takes precedence {; powder metallurgy B22F}) · CPC title

• C04B2235/3251

  Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof · CPC title

• C23C28/00

  Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D · CPC title