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gh energy cosmic rays ing properties of various materials together with -metal materials as shielding materials than -layers cabin wall that has low -low density layers structure has a more ideal shielding effect. the main concerns is space radiation. Therefore, the protection The main purpose of this study is to . This is significant for lly consisted P o S ( I C H E P 2 0 1 8 ) 8 5 2  Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY 2. Space Radiation Environments Considering the features of current and near future manned spaceflights, in this study, the major space radiation sources are assigned as (GCRs). [1,2 and 3] In this study, the current astronautic materials are divided into metallic materials, composites and non 3. Simulated Calculation The radiation dose in human phantom under the exposure of The illustration of simulation is shown in Fig.1, and the pi section of the cabin. Fig.1. The illustration of the simulation 1. (a) is a general view, (b) is the phantom located at the center of the cabin of the spaceship, (c) is the life environment inside the cabin for astronauts, set with air. The (d) shows the cabin wall structure. 4. Result and Conclusion 1. The shielding ability of composites and non and alloys. 2. For metal alloys, the shielding performance of aluminum alloys is similar to that of magnesium alloys. The shielding performance of titanium alloys is lower than that of aluminum and magnesium alloys. The shielding effect 3. For fiber-reinforced composites composites are better than metal To sum up, as for shielding materials atomic number. Therefore, low atomic number materials should be used as much as possible. Among light materials, the support materials, such as shielding effects.

A Study on the Shielding Ability of Current Aerospace Materials against High Energy Cosmic Rays