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首页> 外文会议>12th international symposium on materials in the space environment >CHARACTERISATION OF RADIATION RESISTANT MATERIALS TO A JOVIAN ENVIRONMENT
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CHARACTERISATION OF RADIATION RESISTANT MATERIALS TO A JOVIAN ENVIRONMENT

机译：耐辐射环境中的抗辐射材料特性

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摘要

The Europa Jupiter System Mission (EJSM-Laplace)rnwill be an international mission to the Jupiter system tornbe developed in collaboration between ESA and NASA.rnThe reference mission architecture for EJSM-Laplacernthat has been studied since 2008 consists of two flightrnelements: i) the Jupiter Ganymede Orbiter (JGO),rnassumed to be developed, launched and operated byrnESA, ii) the Jupiter Europa Orbiter (JEO), assumed tornbe developed, launched and operated by NASA. ThernJGO mission target is the Jupiter’s moons Ganymedernand Callisto. The mission is split into two phases - therncruise which duration is 2397 days (6.6 years) and thernstudy of the moons which duration is 1117 days (3.1rnyears).rnIn order to fulfil the mission, materials durability mustrnbe assessed. The first step of this study was to preciselyrnanalyse the Jovian space environment in order to be ablernto propose relevant irradiation tests in the frame of thisrnanalysis. Then, based on a preliminary spacecraft designrnfor a future jovian mission, a selection of materials andrnprocesses was done. These materials were tested inrnorder to be able to status on their compliance to thernmission environment. The test campaign combinedrnageing tests (irradiation at cold and at roomrntemperature), functional characterization and a deeperrninvestigation with physico-chemical analyses in order tornunderstand the degradation mechanisms involved inrnmaterials due to irradiation. This study gives importantrninputs concerning the way forward for a future JUICErnmission, for which the mission scenario is slightlyrndifferent than for JGO.
机译：欧罗巴木星系统任务（EJSM-Laplace）将是ESA和NASA合作开发的木星系统的国际任务。rn自2008年以来研究的EJSM-Laplacern参考任务体系包括两个飞行要素：i）木星木卫三轨道飞行器（JGO），由rnESA研制，发射和运行，ii）木星木卫二轨道飞行器（JEO），假定由NASA开发，发射和运行。 JGO的任务目标是木星的卫星Ganymedernand Callisto。任务分为两个阶段-持续时间为2397天（6.6年）的巡游和持续时间为1117天（3.1rn年）的卫星研究。为了完成任务，必须评估材料的耐用性。这项研究的第一步是精确地分析木星空间环境，以便能够在这种分析框架内提出相关的辐射测试。然后，根据未来木星飞行任务的初步航天器设计，对材料和工艺进行了选择。对这些材料进行了无序测试，以便能够证明其对热环境的合规性。测试活动结合了强化测试（在低温和室温下进行辐照），功能表征以及对物化分析的深入研究，以便了解与辐照相关的材料降解机理。这项研究为未来JUICE任务的前进方向提供了重要的投入，其任务方案与JGO略有不同。

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  • 会议地点 Noordwijk(NL)
  • 作者

    C. Tonon; S. Dagras; V. Rejsek-Riba; J. Marco; J. Eck; D. Lavielle; C. Semprimoschnig;

  • 作者单位

    EADS Astrium Satellites, 31 avenue des Cosmonautes, 31402 Toulouse Cedex 04 (France) Claire.Tonon@astrium.eads.net;

    EADS Astrium Satellites, 31 avenue des Cosmonautes, 31402 Toulouse Cedex 04 (France);

    ONERA - The French Aerospace Lab F-31055, Toulouse (France);

    ONERA - The French Aerospace Lab F-31055, Toulouse (France);

    TRAD, 907 Voie l’Occitane, Batiment Gallium, 31670 Labège Cedex (France);

    TRAD, 907 Voie l’Occitane, Batiment Gallium, 31670 Labège Cedex (France);

    ESTEC, Keplerlaan 1, PO Box 299, 2200 AG Noordwijk ZH (The Netherlands);

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