Efsects of 110keV Proton Irradiation on Thermal Property of Themal Control Coatings

WEN Wan-Xin; YANG Sheng-Sheng; WANG Li

Chinese Physics C> 2006, Vol. 30> Issue(3) : 268-272

Efsects of 110keV Proton Irradiation on Thermal Property of Themal Control Coatings

Department of Radiation Medicine, Soochow University, Suzhou 215007, China2 National Key Lab. of Vacuum & Cryogenics Technology and Physics, Lanzhou 730000, China

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Abstract：
It is investigated experimentally how the thermal properties of some specimens of thermal control coatings change with irradiation fluence ranging from 1.0×10¹¹p/cm² to 1.0×10¹⁷p/cm² with 110keV proton beam. It is shown the thermal properties of all the 6 specimens examined nearly do not change at exposure of 1.0×10¹¹p/cm². The solar absorptance of some specimens of thermal control coating of low absorptance increases at first and decreases whereafter as the proton fluence rises from 1.0×10¹²p/cm² to 1.0×10¹⁶p/cm². This indicates that the irradiation method may be used to promote the thermal properties of some thermal control coatings of low solar absorptance.

References

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. Silverman EM. Space Environmental Effects on Spacecraft:LEO Materials Selection Guide: NASA Contractor Report 46612. Strategic Program Plan for Space Radiation Health Re-search: NASA's report. 19983. Howards J W, Hardage D M Jr. Space Environments Interactions: Space Radiation and Its Effects on Electronic Systems: NASA/TP-1999-2093734. Grossman E, Gouzman I. Nuclear Instruments in Physics Research, 2003, B208: 48—575. Houdayer A. Nuclear Instruments in Physics Research,1997, B131: 335—340

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WEN Wan-Xin, YANG Sheng-Sheng and WANG Li. Efsects of 110keV Proton Irradiation on Thermal Property of Themal Control Coatings[J]. Chinese Physics C, 2006, 30(3): 268-272.

WEN Wan-Xin, YANG Sheng-Sheng and WANG Li. Efsects of 110keV Proton Irradiation on Thermal Property of Themal Control Coatings[J]. Chinese Physics C, 2006, 30(3): 268-272. shu

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Received: 2005-04-18
Revised: 2005-11-21

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沈阳化工大学材料科学与工程学院沈阳 110142

Efsects of 110keV Proton Irradiation on Thermal Property of Themal Control Coatings

Corresponding author: WEN Wan-Xin,

Department of Radiation Medicine, Soochow University, Suzhou 215007, China2 National Key Lab. of Vacuum & Cryogenics Technology and Physics, Lanzhou 730000, China

Received Date: 2005-04-18
Accepted Date: 2005-11-21
Available Online: 2006-03-05

Abstract: It is investigated experimentally how the thermal properties of some specimens of thermal control coatings change with irradiation fluence ranging from 1.0×10¹¹p/cm² to 1.0×10¹⁷p/cm² with 110keV proton beam. It is shown the thermal properties of all the 6 specimens examined nearly do not change at exposure of 1.0×10¹¹p/cm². The solar absorptance of some specimens of thermal control coating of low absorptance increases at first and decreases whereafter as the proton fluence rises from 1.0×10¹²p/cm² to 1.0×10¹⁶p/cm². This indicates that the irradiation method may be used to promote the thermal properties of some thermal control coatings of low solar absorptance.