Fatigue strength characteristics of non-combustible Mg alloy (2nd report, effect of mean stress on fatigue strength)

Kazunori Morishige; Yuna Maeda; Shigeru Hamada; Hiroshi Noguchi

doi:10.1299/kikaia.74.115

Fatigue strength characteristics of non-combustible Mg alloy (2nd report, effect of mean stress on fatigue strength)

Kazunori Morishige, Yuna Maeda, Shigeru Hamada, Hiroshi Noguchi

Strength of materials

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

2 Citations (Scopus)

Abstract

Rotating bending tests and tension-compression fatigue tests on non-combustible magnesium alloy were carried out to investigate effect of mean stress on fatigue strength at N=10⁷ The ignition point of non-combustible magnesium alloys is about 300 K higher than that of normal magnesium alloys because of calcium addition. It was clarified as follows. (1) In the range of σ_m MPa, fatigue strength at N=10⁷ of small hole specimens was about 30-150% higher than that of small crack specimens. (2) In the range of σ_m>100MPa, fatigue strength at N=10⁷ of small hole specimens decreased because of static cracks initiating around small hole at the first loading. (3) In the range of σ_max<σ_0.2, fatigue strength at N=10 ⁷ of smooth specimens was estimated using modified Goodman diagram.

Original language	English
Pages (from-to)	115-121
Number of pages	7
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	74
Issue number	1
DOIs	https://doi.org/10.1299/kikaia.74.115
Publication status	Published - Jan 2008

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1299/kikaia.74.115

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Fatigue strength characteristics of non-combustible Mg alloy (2nd report, effect of mean stress on fatigue strength). / Morishige, Kazunori; Maeda, Yuna; Hamada, Shigeru et al.
In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 74, No. 1, 01.2008, p. 115-121.

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

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Fatigue strength characteristics of non-combustible Mg alloy (2nd report, effect of mean stress on fatigue strength)

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