Thermo-mechanical fatigue of SiC whisker reinforced 6061Al composites: II. Fatigue life and damage mechanism

Lihe Qian, Zhongguang Wang, Hiroyuki Toda, Toshiro Kobayashi

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

The In-phase (IP) and out-of-phase (OP) thermo-mechanical fatigue (TMF) life and damage mechanism were studied on 15%SiCW(volume fraction) and 28%SiCW/6061Al. The result indicates that in small strain range, the IP TMF life is longer than that of the OP-TMF; in large strain range it is close to( for 28%SiCW) or even shorter than the OP-TMF life (for 15%SiCW). A comparison of the fatigue lives between the two composites illustrates that in the case of the OP-TMF, 15%SiCW/6061Al shows longer life than 28% SiCW/6061Al, however, in the case of IP-TMF, there is a crossover between the fatigue life curves of the two composites, meaning that the life being longer or shorter depends on strain level. Their damage processes are all related to initiation, growth and coalescence of voids in the matrix around whiskers.

元の言語英語
ページ(範囲)1203-1207
ページ数5
ジャーナルJinshu Xuebao/Acta Metallurgica Sinica
37
発行部数11
出版物ステータス出版済み - 11 1 2001
外部発表Yes

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Fatigue damage
fatigue
Fatigue of materials
damage
Composite materials
coalescence
Coalescence
void
Volume fraction
matrix

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

これを引用

Thermo-mechanical fatigue of SiC whisker reinforced 6061Al composites : II. Fatigue life and damage mechanism. / Qian, Lihe; Wang, Zhongguang; Toda, Hiroyuki; Kobayashi, Toshiro.

:: Jinshu Xuebao/Acta Metallurgica Sinica, 巻 37, 番号 11, 01.11.2001, p. 1203-1207.

研究成果: ジャーナルへの寄稿記事

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AU - Toda, Hiroyuki

AU - Kobayashi, Toshiro

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N2 - The In-phase (IP) and out-of-phase (OP) thermo-mechanical fatigue (TMF) life and damage mechanism were studied on 15%SiCW(volume fraction) and 28%SiCW/6061Al. The result indicates that in small strain range, the IP TMF life is longer than that of the OP-TMF; in large strain range it is close to( for 28%SiCW) or even shorter than the OP-TMF life (for 15%SiCW). A comparison of the fatigue lives between the two composites illustrates that in the case of the OP-TMF, 15%SiCW/6061Al shows longer life than 28% SiCW/6061Al, however, in the case of IP-TMF, there is a crossover between the fatigue life curves of the two composites, meaning that the life being longer or shorter depends on strain level. Their damage processes are all related to initiation, growth and coalescence of voids in the matrix around whiskers.

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