Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface)

Osamu Kuwazuru; Yozo Murata; Takao Utsunomiya; Yoshihiko Hangai; Takayuki Yano; Sujit Bidhar; Yoshinori Shiihara; Soichiro Kitahara; Nobuhiro Yoshikawa

doi:10.1299/kikaia.77.39

Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface)

Osamu Kuwazuru, Yozo Murata, Takao Utsunomiya, Yoshihiko Hangai, Takayuki Yano, Sujit Bidhar, Yoshinori Shiihara, Soichiro Kitahara, Nobuhiro Yoshikawa

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Effect of casting defects on the fatigue strength of die cast aluminum alloy was addressed through the tension-compression fatigue test and the X-ray CT inspection, which revealed the amount of porosity included in the specimen. Six types of casting condition were employed to examine the effect of different porosity. Most of fatigue crack sources were the pores. The porosity volume fraction was calculated for all specimens from the three-dimensional X-ray CT images. The fatigue limit of each specimen type was estimated from the fatigue test results. The correlations among fatigue limit, porosity volume fraction, Vickers hardness, and dendrite arm spacing were evaluated, and the result showed that the porosity volume fraction most dominantly affected the fatigue limit in the averaged sense.

Original language	English
Pages (from-to)	39-47
Number of pages	9
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	77
Issue number	773
DOIs	https://doi.org/10.1299/kikaia.77.39
Publication status	Published - 2011
Externally published	Yes

Keywords

Aluminum Alloy
Casting Defect
Casting Surface
Die Cast
Fatigue
Fractography
Hardness
Porosity

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1299/kikaia.77.39

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Kuwazuru, O., Murata, Y., Utsunomiya, T., Hangai, Y., Yano, T., Bidhar, S., Shiihara, Y., Kitahara, S., & Yoshikawa, N. (2011). Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface). Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 77(773), 39-47. https://doi.org/10.1299/kikaia.77.39

Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface). / Kuwazuru, Osamu; Murata, Yozo; Utsunomiya, Takao et al.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 77, No. 773, 2011, p. 39-47.

Research output: Contribution to journal › Article › peer-review

Kuwazuru, O, Murata, Y, Utsunomiya, T, Hangai, Y, Yano, T, Bidhar, S, Shiihara, Y, Kitahara, S & Yoshikawa, N 2011, 'Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface)', Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, vol. 77, no. 773, pp. 39-47. https://doi.org/10.1299/kikaia.77.39

Kuwazuru O, Murata Y, Utsunomiya T, Hangai Y, Yano T, Bidhar S et al. Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface). Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 2011;77(773):39-47. doi: 10.1299/kikaia.77.39

Kuwazuru, Osamu ; Murata, Yozo ; Utsunomiya, Takao et al. / Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface). In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 2011 ; Vol. 77, No. 773. pp. 39-47.

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abstract = "Effect of casting defects on the fatigue strength of die cast aluminum alloy was addressed through the tension-compression fatigue test and the X-ray CT inspection, which revealed the amount of porosity included in the specimen. Six types of casting condition were employed to examine the effect of different porosity. Most of fatigue crack sources were the pores. The porosity volume fraction was calculated for all specimens from the three-dimensional X-ray CT images. The fatigue limit of each specimen type was estimated from the fatigue test results. The correlations among fatigue limit, porosity volume fraction, Vickers hardness, and dendrite arm spacing were evaluated, and the result showed that the porosity volume fraction most dominantly affected the fatigue limit in the averaged sense.",

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AU - Kuwazuru, Osamu

AU - Murata, Yozo

AU - Utsunomiya, Takao

AU - Hangai, Yoshihiko

AU - Yano, Takayuki

AU - Bidhar, Sujit

AU - Shiihara, Yoshinori

AU - Kitahara, Soichiro

AU - Yoshikawa, Nobuhiro

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AB - Effect of casting defects on the fatigue strength of die cast aluminum alloy was addressed through the tension-compression fatigue test and the X-ray CT inspection, which revealed the amount of porosity included in the specimen. Six types of casting condition were employed to examine the effect of different porosity. Most of fatigue crack sources were the pores. The porosity volume fraction was calculated for all specimens from the three-dimensional X-ray CT images. The fatigue limit of each specimen type was estimated from the fatigue test results. The correlations among fatigue limit, porosity volume fraction, Vickers hardness, and dendrite arm spacing were evaluated, and the result showed that the porosity volume fraction most dominantly affected the fatigue limit in the averaged sense.

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KW - Casting Defect

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KW - Fractography

KW - Hardness

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Quantitative evaluation of porosity effect on fatigue strength of high pressure die cast aluminum alloy (Part 1, experimental investigation for effect of porosity and casting surface)

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Keywords

ASJC Scopus subject areas

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