原子状酸素を照射したＰＥＥＫ膜材の機械特性

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書誌事項

タイトル別名
  • The Mechanical Properties of PEEK Sheet after Atomic Oxygen Irradiation
  • ゲンシジョウ サンソ オ ショウシャ シタ PEEK マクザイ ノ キカイ トクセイ
公開日
2005
DOI
  • 10.1299/kikaia.71.1327
公開者
一般社団法人 日本機械学会

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説明

We irradiated 5 eV Atomic Oxygen (AO) to PEEK sheets with 0.4 mm thickness under tensile load, and estimated strength of the specimen. Three phenomena caused by exposure were observed : (1) appearance of numerous conical pits a few I-μm deep on the specimen surface; (2) reduction of thickness at the irradiated area; (3) change of chemical structure on the surface, which is probably caused by UV generated slightly during the AO irradiation test. As a result of tensile tests, tensile properties after AO irradiation were almost same as those of pristine samples regardless of applied stress. The depth of conical pits was so small and the thickness of layer changed after AO irradiation test was so thin that they did not affect mechanical properties of PEEK sheets. Consequently, residual strength of this material after AO exposure can be estimated by consideration of thickness decrease.

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