種々な水素発生電位下におけるSUS430ステンレス鋼の破面形態

Material type: 文書・図像類

Author: 岩永, 弘之ほか

Publisher: 愛知工業大学

Publication date: 1990-03-31

Material Format: Digital

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Note (General)：: The morphology of fracture surface due to the hydrogen embrittlement indicates the different fracture surface by the state of applied stress, environm...

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Material Type: 文書・図像類
Title: 種々な水素発生電位下におけるSUS430ステンレス鋼の破面形態
Author/Editor: 岩永, 弘之
沖, 猛雄
Author Heading: 岩永, 弘之
沖, 猛雄
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 1990-03-31
Publication Date (W3CDTF): 1990-03-31
Alternative Title: シュシュナスイソハッセイデンイカニオケル SUS430 ステンレスコウノハメンケイタイ
Fracture Surface Morphology of SUS430 Stainless Steel under various Hydrogen Evolution Potentials
Periodical title: 愛知工業大学研究報告. B, 専門関係論文集 = Bulletin of Aichi Institute of Technology. Part B
No. or year of volume/issue: 25
Volume: 25
Pages: 37-43
ISSN (Periodical Title): ISSN : 0387-0812
Text Language Code: jpn
Target Audience: 一般
Note (General): The morphology of fracture surface due to the hydrogen embrittlement indicates the different fracture surface by the state of applied stress, environments and materials. In the first step to elucidate the mechanism of hydrogen embrittlement, the slow strain rate tension tests were carried out under various hydrogen evolution potentials on the cathodic polarization curve which was obtained in 3% NaCl solution. This study was aimed to compare and examine the relation between the setting potential and the morphology of fracture surface. The main results obtained are summarized as follows. (1) The commencement potential of cathode reaction in SUS430 has turned out to be shifted until -0.5V (vs. S. C. E.) with increasing tensile stress also from the SEM observation. That is to say, the morphology of fracture surface in this potential have analogy with those in atmosphere. (2) The hydrogen embrittlement fracture surface of SUS430 due to the cathode reaction in 3% NaCl solution indicates the transgranular fracture or Quasi-cleavage fracture at the outside region of specimen. In addition, the micro crack result from degradation of grain binding force formed at the surface vicinity layer of specimen. This tendency is more pronounced in the conditions of lower setting potential and lower strain rate. Macroscopic rupture progress toward the internal region from the outside of specimen.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/830
Format (IMT): application/pdf
Source: http://repository.aitech.ac.jp/dspace/bitstream/11133/830/1/%e7%b4%80%e8%a6%8125%e5%8f%b7B%28P37-43%29.pdf
http://repository.aitech.ac.jp/dspace/bitstream/11133/830/1/%e7%b4%80%e8%a6%8125%e5%8f%b7B%28P37-43%29.pdf
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): 愛知工業大学 : 愛知工業大学学術情報リポジトリ