Influence of Fillers on Hydrogen Penetration Properties and Blister Fracture of EPDM Comosites Exposed to 10 MPa Hydrogen Gas

Junichiro Yamabe, Masatoshi Nakao, Hirotada Fujiwara, Shin Nishimura

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13 Citations (Scopus)

Abstract

EPDM composites with carbon black (CB 50, CB25), with silica (SC60), and without fillers (NF) were exposed to 0.6 to 10 MPa hydrogen gases at 30°C, and the influence of fillers on hydrogen content and blister fracture of EPDM composites was investigated. The hydrogen contents of CB 50, CB 25, SC 60, and NF were proportional to hydrogen pressures up to 10 MPa. It is confirmed that the behavior of their hydrogen contents follows Henry's law. The addition of the carbon black raised the hydrogen content of EPDM composites, while the addition of the silica did not raise that of EPDM composites. With respect to diffusivity, the carbon black lowered the diffusivity of EPDM compos-ites, while the silica hardly influences that of EPDM composites. According to the observation of blister damages of CB 50, CB 25, SC 60, and NF, the blister damage of SC 60 is the slightest. It is considered to be due to lower hydrogen content and relatively better tensile properties compared with the others.

Original languageEnglish
Pages (from-to)971-981
Number of pages11
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume74
Issue number743
DOIs
Publication statusPublished - Jan 1 2008

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Fillers
Hydrogen
Gases
Soot
Carbon black
Silicon Dioxide
Composite materials
Silica
Tensile properties
CB 50

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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title = "Influence of Fillers on Hydrogen Penetration Properties and Blister Fracture of EPDM Comosites Exposed to 10 MPa Hydrogen Gas",
abstract = "EPDM composites with carbon black (CB 50, CB25), with silica (SC60), and without fillers (NF) were exposed to 0.6 to 10 MPa hydrogen gases at 30°C, and the influence of fillers on hydrogen content and blister fracture of EPDM composites was investigated. The hydrogen contents of CB 50, CB 25, SC 60, and NF were proportional to hydrogen pressures up to 10 MPa. It is confirmed that the behavior of their hydrogen contents follows Henry's law. The addition of the carbon black raised the hydrogen content of EPDM composites, while the addition of the silica did not raise that of EPDM composites. With respect to diffusivity, the carbon black lowered the diffusivity of EPDM compos-ites, while the silica hardly influences that of EPDM composites. According to the observation of blister damages of CB 50, CB 25, SC 60, and NF, the blister damage of SC 60 is the slightest. It is considered to be due to lower hydrogen content and relatively better tensile properties compared with the others.",
author = "Junichiro Yamabe and Masatoshi Nakao and Hirotada Fujiwara and Shin Nishimura",
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T1 - Influence of Fillers on Hydrogen Penetration Properties and Blister Fracture of EPDM Comosites Exposed to 10 MPa Hydrogen Gas

AU - Yamabe, Junichiro

AU - Nakao, Masatoshi

AU - Fujiwara, Hirotada

AU - Nishimura, Shin

PY - 2008/1/1

Y1 - 2008/1/1

N2 - EPDM composites with carbon black (CB 50, CB25), with silica (SC60), and without fillers (NF) were exposed to 0.6 to 10 MPa hydrogen gases at 30°C, and the influence of fillers on hydrogen content and blister fracture of EPDM composites was investigated. The hydrogen contents of CB 50, CB 25, SC 60, and NF were proportional to hydrogen pressures up to 10 MPa. It is confirmed that the behavior of their hydrogen contents follows Henry's law. The addition of the carbon black raised the hydrogen content of EPDM composites, while the addition of the silica did not raise that of EPDM composites. With respect to diffusivity, the carbon black lowered the diffusivity of EPDM compos-ites, while the silica hardly influences that of EPDM composites. According to the observation of blister damages of CB 50, CB 25, SC 60, and NF, the blister damage of SC 60 is the slightest. It is considered to be due to lower hydrogen content and relatively better tensile properties compared with the others.

AB - EPDM composites with carbon black (CB 50, CB25), with silica (SC60), and without fillers (NF) were exposed to 0.6 to 10 MPa hydrogen gases at 30°C, and the influence of fillers on hydrogen content and blister fracture of EPDM composites was investigated. The hydrogen contents of CB 50, CB 25, SC 60, and NF were proportional to hydrogen pressures up to 10 MPa. It is confirmed that the behavior of their hydrogen contents follows Henry's law. The addition of the carbon black raised the hydrogen content of EPDM composites, while the addition of the silica did not raise that of EPDM composites. With respect to diffusivity, the carbon black lowered the diffusivity of EPDM compos-ites, while the silica hardly influences that of EPDM composites. According to the observation of blister damages of CB 50, CB 25, SC 60, and NF, the blister damage of SC 60 is the slightest. It is considered to be due to lower hydrogen content and relatively better tensile properties compared with the others.

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