CN102059215B - Surface protecting method of zirconium composite board - Google Patents
Surface protecting method of zirconium composite board Download PDFInfo
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- CN102059215B CN102059215B CN 201010561243 CN201010561243A CN102059215B CN 102059215 B CN102059215 B CN 102059215B CN 201010561243 CN201010561243 CN 201010561243 CN 201010561243 A CN201010561243 A CN 201010561243A CN 102059215 B CN102059215 B CN 102059215B
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- composite board
- zirconium composite
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- heat treatment
- zirconium
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Abstract
The invention discloses a surface protecting method of a zirconium composite board. In the method, an oxidation-resistant coating is coated on the surface of the zirconium composite board before the heat treatment for the zirconium composite board so as to prevent the zirconium composite board from absorbing hydrogen and oxygen at a heating atmosphere in heat treatment. The surface protecting method disclosed by the invention can ensure that the air is isolated by a protecting layer on the clad surface of the zirconium composite board in heat treatment, thereby the gas absorption of a clad is avoided, a technical difficult problem that the heat treatment is carried out on a zirconium composite material under non-vacuum environments is effectively solved, and the protecting layer can be completely removed through subsequent surface grinding without influencing the subsequent corrosion-resisting performance of the zirconium clad. According to the invention, the surface protecting process does not influence the binding rate, the bonding strength and the interface characteristic of the zirconium composite board and solves the problem of gas absorption, and the prepared zirconium composite board can completely satisfy subsequent large-equipment requirements.
Description
Technical field
The invention belongs to the surface protection technical field, be specifically related to a kind of method for protecting surface of feature.
Background technology
Zirconium/steel composite board is a kind of take zirconium as plied timber, and low-alloy steel, stainless steel, carbon steel or other materials are parent metal, the laminated-metal composite that adopts the blast complex method to be prepared from.This kind composite has the good decay resistance of plied timber zirconium on the one hand; Have on the one hand the good mechanical performance of parent metal and processing characteristics; Simultaneously can save a large amount of zirconium materials, zirconium/steel composite board has been widely used in the industries such as chemical industry, pharmacy, smelting.
Zirconium/steel composite board is at the compound tense that explodes, and there is residual stress in the interface because strong plastic deformation occuring, and in order to eliminate this residual stress, is convenient to following process, need to heat-treat feature.Because zirconium has the ability that zirconium has very strong absorption gas, oxygen, nitrogen, hydrogen are to hardness, intensity and the impact property of zirconium, particularly nitrogen and hydrogen are to the follow-up serviceability harmful impurity element of corrosion resisting property particularly, and pure zirconium material all will adopt vacuum heat, absorbs gas to avoid it.For composite plate, because the plate face is larger, weight is heavier, has exceeded the bearing capacity of conventional vacuum heat treatment furnace.For this reason, can only be chosen in the air atmosphere and heat-treat, it is just very urgent how the absorption gas problem during heating is avoided.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art; provide a kind of feature that can make under antivacuum atmosphere, to heat-treat, thereby the zirconium material absorb the method for protecting surface that gas guarantees the follow-up corrosion resisting property of composite plate in the heating process effectively to avoid.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of method for protecting surface of feature, it is characterized in that, the method is before feature is heat-treated, multiple layer zirconium plate surface at feature applies the ORC material, and it is the ORC of 0.1mm～1mm that the multiple layer zirconium plate surface through applying forms thickness; Described ORC material can harden with multiple layer zirconium and close, and does not come off when heat treatment, peels off and ftracture.
Above-mentioned ORC material is become by following mixed raw material by weight percentage: MoS
25%～15%, CaO 10%～20%, Al
2O
320%～30%, surplus is H
2O.
The present invention compared with prior art has the following advantages: the present invention can guarantee that the protective layer of feature clad surface when heat treatment is with air insulated; thereby avoid multiple layer air-breathing; effectively solved under the non-vacuum environment zirconium composite material has been heat-treated this technical barrier; and follow-up surface grinding can remove protective layer fully, can not affect the follow-up corrosion resisting property of the multiple layer of zirconium.This surface protection process do not affect feature in conjunction with rate, bond strength and interfacial characteristics, and solved air-breathing problem, the feature of preparation can satisfy follow-up Large-Scale Equipment requirement fully.
Below by embodiment technical scheme of the present invention is described in further detail.
The specific embodiment
Embodiment 1
Preparation ORC material, described ORC material is become by following mixed raw material by weight percentage: MoS
25%, CaO20%, Al
2O
330%, surplus is H
2O; Then the ORC material is coated on the multiple layer zirconium plate surface of feature, forming thickness on multiple layer zirconium plate surface is the ORC of 0.1mm, obtains the feature that the surface has the ORC protection; The feature that the surface is had an ORC protection is heat treatment 2h under 565 ℃ the non-vacuum condition in temperature, and the ORC to the feature surface after the cooling grinds and polishing, exposes fresh metallochrome.
The present embodiment is before heat-treating feature, multiple layer zirconium plate surface at feature applies ORC, thereby a multiple layer zirconium plate is inhaled hydrogen and oxygen uptake when avoiding heat treatment under heating atmosphere, and the feature performance that heat treatment prepares under the feature of preparation and the vacuum condition is consistent.
Embodiment 2
Preparation ORC material, described ORC material is become by following mixed raw material by weight percentage: MoS
215%, CaO10%, Al
2O
330%, surplus is H
2O; Then the ORC material is coated on the multiple layer zirconium plate surface of feature, forming thickness on multiple layer zirconium plate surface is the ORC of 1mm, obtains the feature that the surface has the ORC protection; The feature that the surface is had an ORC protection is heat treatment 5h under 540 ℃ the non-vacuum condition in temperature, and the ORC to the feature surface after the cooling grinds and polishing, exposes fresh metallochrome.
The present embodiment is before heat-treating feature, multiple layer zirconium plate surface at feature applies ORC, thereby a multiple layer zirconium plate is inhaled hydrogen and oxygen uptake when avoiding heat treatment under heating atmosphere, and the feature performance that heat treatment prepares under the feature of preparation and the vacuum condition is consistent.
Embodiment 3
Preparation ORC material, described ORC material is become by following mixed raw material by weight percentage: MoS
210%, CaO15%, Al
2O
320%, surplus is H
2O; Then the ORC material is coated on the multiple layer zirconium plate surface of feature, forming thickness on multiple layer zirconium plate surface is the ORC of 0.5mm, obtains the feature that the surface has the ORC protection; The feature that the surface is had an ORC protection is heat treatment 10h under 515 ℃ the non-vacuum condition in temperature, and the ORC to the feature surface after the cooling grinds and polishing, exposes fresh metallochrome.
The present embodiment is before heat-treating feature, multiple layer zirconium plate surface at feature applies ORC, thereby a multiple layer zirconium plate is inhaled hydrogen and oxygen uptake when avoiding heat treatment under heating atmosphere, and the feature performance that heat treatment prepares under the feature of preparation and the vacuum condition is consistent.
Embodiment 4
Preparation ORC material, described ORC material is become by following mixed raw material by weight percentage: MoS
212%, CaO18%, Al
2O
325%, surplus is H
2O; Then the ORC material is coated on the multiple layer zirconium plate surface of feature, forming thickness on multiple layer zirconium plate surface is the ORC of 0.8mm, obtains the feature that the surface has the ORC protection; The feature that the surface is had an ORC protection is heat treatment 8h under 530 ℃ the non-vacuum condition in temperature, and the ORC to the feature surface after the cooling grinds and polishing, exposes fresh metallochrome.
The present embodiment is before heat-treating feature, multiple layer zirconium plate surface at feature applies ORC, thereby a multiple layer zirconium plate is inhaled hydrogen and oxygen uptake when avoiding heat treatment under heating atmosphere, and the feature performance that heat treatment prepares under the feature of preparation and the vacuum condition is consistent.
Claims (1)
1. the method for protecting surface of a feature, it is characterized in that, the method is before feature is heat-treated, and applies the ORC material on the multiple layer zirconium plate surface of feature, and it is the ORC of 0.1mm～1mm that the multiple layer zirconium plate surface through applying forms thickness; Described ORC material can harden with multiple layer zirconium and close, and does not come off when heat treatment, peels off and ftracture; Described ORC material is become by following mixed raw material by weight percentage: MoS
25%～15%, CaO 10%～20%, Al
2O
320%～30%, surplus is H
2O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010561243 CN102059215B (en) | 2010-11-26 | 2010-11-26 | Surface protecting method of zirconium composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010561243 CN102059215B (en) | 2010-11-26 | 2010-11-26 | Surface protecting method of zirconium composite board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102059215A CN102059215A (en) | 2011-05-18 |
| CN102059215B true CN102059215B (en) | 2013-04-03 |
Family
ID=43994826
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010561243 Active CN102059215B (en) | 2010-11-26 | 2010-11-26 | Surface protecting method of zirconium composite board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071705A (en) * | 1992-07-06 | 1993-05-05 | 鞍山钢铁公司 | Prevent steel ingot and billet surface high temperature oxidation coating |
| EP0696650B1 (en) * | 1994-08-11 | 1999-11-03 | Kunio Hiraishi | Methods of applying heat and oxidation resistant coating materials |
| CN101193835A (en) * | 2005-05-31 | 2008-06-04 | 先进玻璃陶瓷公司 | Heat insulating composite and methods of manufacturing thereof |
| CN101693791A (en) * | 2009-11-02 | 2010-04-14 | 北京科技大学 | Continuous casting slab high-temperature oxidation resistant coatings and preparation process thereof |
| CN101850641A (en) * | 2010-05-21 | 2010-10-06 | 西北有色金属研究院 | Preparation method for zirconium/steel metal composite board |
-
2010
- 2010-11-26 CN CN 201010561243 patent/CN102059215B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071705A (en) * | 1992-07-06 | 1993-05-05 | 鞍山钢铁公司 | Prevent steel ingot and billet surface high temperature oxidation coating |
| EP0696650B1 (en) * | 1994-08-11 | 1999-11-03 | Kunio Hiraishi | Methods of applying heat and oxidation resistant coating materials |
| CN101193835A (en) * | 2005-05-31 | 2008-06-04 | 先进玻璃陶瓷公司 | Heat insulating composite and methods of manufacturing thereof |
| CN101693791A (en) * | 2009-11-02 | 2010-04-14 | 北京科技大学 | Continuous casting slab high-temperature oxidation resistant coatings and preparation process thereof |
| CN101850641A (en) * | 2010-05-21 | 2010-10-06 | 西北有色金属研究院 | Preparation method for zirconium/steel metal composite board |
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| Publication number | Publication date |
|---|---|
| CN102059215A (en) | 2011-05-18 |
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Address after: 710201 Shaanxi city of Xi'an Province Economic and Technological Development Zone Jingwei Industrial Park Road Patentee after: Xi'an Tianli metal composite Co.,Ltd. Address before: 710201 Shaanxi city of Xi'an Province Economic and Technological Development Zone Jingwei Industrial Park Road No. 19 Patentee before: XI'AN TIANLI CLAD METAL MATERIALS Co.,Ltd. |