On the Scatter of the Fatigue Limit of a Die-Cast Magnesium Alloy

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In the present study, scatter behavior of fatigue limit for the die-cast magnesium alloy AM60B was investigated. Twelve fatigue limits were determined based on S-N curves obtained according to the standard fatigue test methods (that is based on the 0-2 or 0-1-2 combinations). The scatter of fatigue limit for the die-cast material was large where the values of Weibull modulus and COV were 16 and 6.8, respectively. This value of COV was in agreement with that obtained by simulated staircase method. The scatter of fatigue limit in the die-cast magnesium alloy was comparable to those in the die-cast aluminum alloy. In the die-cast materials, the fatigue limit determined based on S-N curve should be taken into account to have 6-10% of scatter from the mean value.

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526-530

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] ASTM E 468-90, Standard practice for presentation of constant amplitude fatigue test results for metallic materials, Annual Book of ASTM Standards (2008).

Google Scholar

[2] JIS Z 2273. General rules for fatigue testing of metals, Japan Industrial Standards (1978).

Google Scholar

[3] ASTM E 8/E 8M-08, Standard test methods for tension testing of metallic materials, Annual Book of ASTM Standards (2008).

Google Scholar

[4] JIS Z 2241, Method of tensile test for metallic materials, Japan Industrial Standards (1998).

Google Scholar

[5] W.J. Dixon and A.M. Mood: J. Am. Stat. Assn. Vol. 43(1948), pp.109-126.

Google Scholar

[6] R. Pollak, A. Palazotto and T. Nicholas: Mech. Mater. Vol. 38 (2006), pp.1170-1181.

Google Scholar

[7] S.K. Lin, Y.L. Lee and M.W. Lu: Int. J. Fatigue Vol. 23 (2001), pp.75-83.

Google Scholar

[8] Y.X. Zhao and B. Yang: Int. J. Fatigue Vol. 30 (2008), pp.2094-2103.

Google Scholar

[9] T. Svensson and J. de Maré: Random features of the fatigue limit, Kluwer Academic Publishers (2000).

Google Scholar

[10] X. Zhu, J.Z. Yi, J.W. Jones and J.E. Allison: Metall. Mater. Trans. A Vol. 38A (2007), pp.1111-1122.

Google Scholar

[11] X. Su: Int. J. Fatigue Vol. 30(2008), pp.1007-1015.

Google Scholar

[12] S. Mohd, Y. Mutoh, Y. Otsuka, Y. Miyashita, T. Koike and T. Suzuki: Eng. Fail. Anal. Vol. 22 (2012), p.64–72.

Google Scholar

[13] K. Tanaka, Y. Mutoh and T. Niwa: Trans. JSME Vol. 54-501 (1988), pp.1086-1093.

Google Scholar

[14] H. Takahashi, N. Shinohara, K. Uematsu, and J. Tsubaki: J. Am. Ceram. Soc. Vol. 79-4 (1996), pp.843-848.

Google Scholar