Degradation diagnosis of ultrahigh-molecular weight polyethylene with terahertz-time-domain spectroscopy

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Author: YAMAMOTO, Kohjiほか

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Publication date: 2004-11

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Note (General)：: We investigated ultrahigh-molecular-weight-polyethylene(UHMWPE)samples prepared by various conditions with terahertz-time-domain spectroscopy(THz-TDS)...

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Material Type: 文書・図像類
Title: Degradation diagnosis of ultrahigh-molecular weight polyethylene with terahertz-time-domain spectroscopy
Author/Editor: YAMAMOTO, Kohji
YAMAGUCHI, Mariko
TANI, Masahiko
HANGYO, Masanori
TERAMURA, Satoshi
ISU, Toshiro
TOMITA, Naohide
Author Heading: YAMAMOTO, Kohji
YAMAGUCHI, Mariko
TANI, Masahiko
HANGYO, Masanori
TERAMURA, Satoshi
ISU, Toshiro
TOMITA, Naohide
Publication Date: 2004-11
Publication Date (W3CDTF): 2004-11
Periodical title: Applied physics letters
No. or year of volume/issue: 85 22
Volume: 85
Issue: 22
Pages: 5194-5196
Text Language Code: eng
Target Audience: 一般
Note (General): We investigated ultrahigh-molecular-weight-polyethylene(UHMWPE)samples prepared by various conditions with terahertz-time-domain spectroscopy(THz-TDS). Degradation of the virgin UHMWPE samples by γ irradiation induced a drastic increase of the absorption ranging continuously over the THz region. The increase of the absorption continuum is interpreted to originate in the oxidation of the amorphous region within the sample. Only slight THz spectral changes induced by the γ irradiation were, however, observed for the UHMWPE samples doped with 0.1 and 0.3 wt%vitamin E. This result agrees with the earlier indication that vitamin E has an antidegradation effect on UHMWPE. The present result shows that the THz-TDS can be used for the quality control of UHMWPE by monitoring the absorption continuum in the THz region.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ