CN103762002B - A kind of anti-radiation shield plate for space station - Google Patents
A kind of anti-radiation shield plate for space station Download PDFInfo
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- CN103762002B CN103762002B CN201410037052.6A CN201410037052A CN103762002B CN 103762002 B CN103762002 B CN 103762002B CN 201410037052 A CN201410037052 A CN 201410037052A CN 103762002 B CN103762002 B CN 103762002B
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Abstract
A kind of anti-radiation shield plate for space station, comprise titanium coating, metal/polymer composite material layer, aluminum metal layer, described metal/polymer composite material layer comprises metal powder and phenolics and hardening agent, described metal powder comprises tantalum, titanium and aluminium, by weight, described metal/polymer composite material layer comprise the metal powder of 72%, the phenolics of 26% and 2% hardening agent, metal powder comprises tantalum, titanium and the aluminium that weight ratio is 1: 1: 1, and hardening agent is preferably Diethylenetriamine.Radiation shield plate thickness according to the present invention is thin, quality light, has good shield effectiveness.
Description
Technical field
The present invention relates to a kind of radiation shield, particularly relate to a kind of anti-radiation shield plate for space station
Background technology
Satellite is period in-orbit, inevitably meets with the radiation of various space charged particle.Electronics in space radiation environment, proton in the devices accumulation for a long time can produce ionisation effect in the semiconductors, cause device electrical performance Parameters variation, cause equipment operation irregularity.Therefore, for ensureing that because of Space Radiation Effects do not cause satellite damage or lost efficacy in orbit by period for satellite, countries in the world are in satellite development process, all need the charged particle radiation environment according to satellite actual motion track, to satellite surface and more inner to the key equipment of space radiation sensitivity or parts, adopt the mode of paster or coating to carry out effective shadow shield, namely intrinsic according to device radioresistance accumulated dose index request carries out specific aim shielding, to extend the serviceable life of satellite.Chinese utility model patent CN2427435Y discloses a kind of anti-single particle effect emission shield, this shielding part is made up of the white pottery porcelain of stratiform closed assembly and one side polyamide film of aluminizing, the single particle effect degree that space radiation environment produces Spacecraft Electronic device can be reduced, reduce its harm.But this shielding part thickness is comparatively large, and heavier-weight, is unsuitable for the application of space device.
Summary of the invention
The present invention is intended to overcome above-mentioned defect, a kind of anti-radiation shield plate for space station is provided, particularly, comprise titanium coating, metal/polymer composite material layer, aluminum metal layer, it is characterized in that described metal/polymer composite material layer comprises metal powder and phenolics and hardening agent, described metal powder comprises tantalum, titanium and aluminium, by weight, described metal/polymer composite material layer comprises the metal powder of 72%, the phenolics of 26% and the hardening agent of 2%, metal powder comprises the tantalum that weight ratio is 1: 1: 1, titanium and aluminium, hardening agent is preferably Diethylenetriamine.
Preferably, the thickness of titanium coating, metal/polymer composite material layer, aluminum metal layer is respectively 1.2 millimeters, 0.3 millimeter and 1 millimeter.
Preferably, the preparation method of metal/polymer composite material layer is: take the tantalum of 24 grams, 24 grams, 24 grams, titanium and aluminium powder respectively, put into bowl mill, be milled to granularity 1-50 micron; Take 26 grams of phenolics, be heated to 65 degrees Celsius, aforementioned metal powder is mixed into phenolics, stir 20 minutes, add 2 grams of hardening agent after being cooled to room temperature, be transferred in mould, curing molding between 80-100 degree Celsius.
Radiation shield plate thickness according to the present invention is thin, quality light, has good shield effectiveness.
Embodiment
Be three-decker according to radiation shield of the present invention; comprise titanium coating, metal/polymer composite material layer, aluminum metal layer from outside to inside successively relative to claimed electron device, that is aluminum metal layer more presses close to claimed electron device and the material layer bonding with it.The bonding one-tenth plate of cementing agent can be adopted between three-decker.Preferably, the thickness of titanium coating, metal/polymer composite material layer, aluminum metal layer is respectively 1.2 millimeters, 0.3 millimeter and 1 millimeter.
Preferably, described metal/polymer composite material layer comprises metal powder and phenolics and a small amount of hardening agent, and described metal powder comprises tantalum (Ta), titanium and aluminium.Preferably, metal/polymer composite material layer comprise the metal powder of 72%, the phenolics of 26% and 2% hardening agent, metal powder comprises tantalum, titanium and the aluminium that weight ratio is 1: 1: 1, and hardening agent is preferably Diethylenetriamine.
The preparation method of metal/polymer composite material layer is: take the tantalum of 24 grams, 24 grams, 24 grams, titanium and aluminium powder respectively, put into bowl mill, be milled to granularity 1-50 micron; Take 26 grams of phenolics, be heated to 65 degrees Celsius, aforementioned metal powder is mixed into phenolics, stir 20 minutes, add 2 grams of hardening agent after being cooled to room temperature, be transferred in mould, curing molding between 80-100 degree Celsius.
Because first outermost titanium material can make most of energy particle underspeed, then intermediate composite produces very large interception to bremsstrahlung, and the aluminum of innermost layer can absorb secondary electron and the bremsstrahlung of middle layer generation, because which form a kind of good shielding construction.
Claims (2)
1. the anti-radiation shield plate for space station, comprise titanium coating, metal/polymer composite material layer, aluminum metal layer, it is characterized in that described metal/polymer composite material layer comprises metal powder and phenolics and hardening agent, described metal powder comprises tantalum, titanium and aluminium, by weight, described metal/polymer composite material layer comprise the metal powder of 72%, the phenolics of 26% and 2% hardening agent, metal powder comprises tantalum, titanium and the aluminium that weight ratio is 1:1:1, and hardening agent is Diethylenetriamine; The preparation method of metal/polymer composite material layer is: take the tantalum of 24 grams, 24 grams, 24 grams, titanium and aluminium powder respectively, put into bowl mill, be milled to granularity 1-50 micron; Take 26 grams of phenolics, be heated to 65 degrees Celsius, aforementioned metal powder is mixed into phenolics, stir 20 minutes, add 2 grams of hardening agent after being cooled to room temperature, be transferred in mould, curing molding between 80-100 degree Celsius.
2. radiation shield as claimed in claim 1, is characterized in that the thickness of titanium coating, metal/polymer composite material layer, aluminum metal layer is respectively 1.2 millimeters, 0.3 millimeter and 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037052.6A CN103762002B (en) | 2014-01-26 | 2014-01-26 | A kind of anti-radiation shield plate for space station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037052.6A CN103762002B (en) | 2014-01-26 | 2014-01-26 | A kind of anti-radiation shield plate for space station |
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| Publication Number | Publication Date |
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| CN103762002A CN103762002A (en) | 2014-04-30 |
| CN103762002B true CN103762002B (en) | 2016-01-13 |
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| CN201410037052.6A Active CN103762002B (en) | 2014-01-26 | 2014-01-26 | A kind of anti-radiation shield plate for space station |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10490302B2 (en) * | 2014-01-30 | 2019-11-26 | Medtronic, Inc | Systems and methods for improving patient access to medical therapies |
| CN108679299B (en) * | 2018-07-11 | 2020-05-29 | 上海空间推进研究所 | Double-layer valve support of on-orbit spacecraft |
| CN111235563A (en) * | 2020-03-04 | 2020-06-05 | 中国科学院金属研究所 | Method for preparing Ta/Al composite anti-irradiation coating by adopting cold spraying |
| CN112509720B (en) * | 2020-11-26 | 2021-10-01 | 哈尔滨工业大学 | Cyanate ester radical anti-irradiation reinforced conformal coating and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6232383B1 (en) * | 1998-11-06 | 2001-05-15 | Nurescell, Inc. | Nuclear resistance cell and methods for making same |
| JP2004020414A (en) * | 2002-06-18 | 2004-01-22 | Mitsubishi Heavy Ind Ltd | Shield structure and space structure having the same |
| CN101042945A (en) * | 2006-07-20 | 2007-09-26 | 永州市健民射线防护设备有限公司 | Environment-friendly type radiation protection composite board |
| JP6058883B2 (en) * | 2011-11-14 | 2017-01-11 | 恵和株式会社 | Radioactivity protection sheet and method for producing radioactivity protection sheet |
| CN102490913A (en) * | 2011-11-15 | 2012-06-13 | 上海卫星工程研究所 | Anti-total-dose shielding device |
| JP5632873B2 (en) * | 2012-04-05 | 2014-11-26 | 株式会社エルジェイメタル | Composite metal plate and radiation shielding container |
| CN103137228A (en) * | 2013-03-06 | 2013-06-05 | 魏昭荣 | Flexible composite material capable of shielding nuclear radiation |
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