Assessment of Fatigue Strength in Small-Specimen of AISI 3140 Steel

Haftirman Haftirman; K.S. Basaruddin; Mohd Afendi; A.R. Syayuthi

doi:10.4028/www.scientific.net/AMM.786.116

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 786Assessment of Fatigue Strength in Small-Specimen...

Assessment of Fatigue Strength in Small-Specimen of AISI 3140 Steel

Abstract:

The fatigue strength on small-specimen of mild steel material subjected to rotating bending load has been investigated. Specimen materials were used AISI 3140 steel. The tests were carried out the specimen diameter of 2 and 1 mm at laboratory air. The results obtained can be summarized that fatigue strength of diameter 2 mm was higher than that of diameter 8 and 1 mm for AISI 3140 steel material. Assessment of fatigue strength in small-specimen of carbon steel material has been done based on experimental and the cross-sectional analysis. Fatigue strength of AISI 3140 steel was lower than that of SS400 and S45C steels. The size effect concentration were determined the ratio of fatigue strength small-specimen to the normative specimen. The cross-sectional A was decrease with increasing coefficient of cross-section size. These results were significant impact of the size effect on fatigue strength on metal materials.

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Periodical:

Applied Mechanics and Materials (Volume 786)

Pages:

116-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.786.116

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Online since:

August 2015

Authors:

Haftirman Haftirman*, K.S. Basaruddin, Mohd Afendi, A.R. Syayuthi

Keywords:

Fatigue Strength, Size Effect Concentration, Small-Specimen

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