3140 Steel

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[[category:Stress-Strain‏]]

Revision as of 14:28, 5 May 2015

Contents

Stress-Strain Curve

3140 Steel Torsion Static Test [1]

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3140 Steel Strain-hardening exponent versus true stress curve at 0.2 true strain [2]

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Fatigue-Life Curve[3]

2mm.png 1mm.png

The specimens assessed here are 2mm in diameter and 1mm in diameter, respectively. Size effect on the S-N curves can be found by comparing two figures.The trend of fatigue strength for diameter of 1 mm is lower than of 2 mm. Specimen size increase with decreasing in fatigue strength for all steel materials. Size coefficient is determined based on ratio of the fatigue strength of small-specimen with diameter 2 and 1 mm to fatigue strength of the normative specimen with diameter 8 mm. The size coefficient for specimen diameter of 2 mm is higher than that of 1m.[3]

Reference

  1. J. Smith THE EFFECT OF RANGE OF STRESS ON THE TORSIONAL FATIGUE STRENGTH OF STEEL
  2. Y. Tamarin , Atlas of Stress-Strain Curves.ASM International. 2002 p.92
  3. 3.0 3.1 HAFTIRMAN, K. S. Basaruddin, M. Afendi and Syayuthi. A. R Assessment of Fatigue Strength in Small-specimen of AISI 3140 Steel. ICADME. 2015
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