DETERMINE AND ANALYZE THE RELATIONSHIP BETWEEN STRESS AND THE NUMBER OF CYCLES FOR LOW CARBON STEEL ALLOY FOR VARIOUS SURFACE TREATMENTS BY USING CORRELATION COEFFICIENT | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 6, Volume 7, Issue 3, September 2014, Pages 43-56 PDF (0 K) | ||
| Authors | ||
| Abdul-jabar saad jomah; Zainab Allawi Ibrahim; Hussein Ali Hussein | ||
| Abstract | ||
| In this research used correlation analysis in determining the strength and type of correlation between fatigue stress and the number of fatigue cycles while the sample failure reaching to Fatigue Limit, for low carbon alloy steel for various surface treatments as well as determine the effect of treatment surface on this relationship. The Win QSB Program has been used in determining the strength and type of correlation between fatigue stress and the fatigue cycles number. results of the present work show that there is a strong negative relationship between stress and the cycles number of fatigue machine for four groups vary depending on the surface treatment respectively: - alloy steel without treatment is strong negative relation =-0.8934, negative & very strong relation = -0.9343 in case of shoot penning treatment, negative & very strong relation= -0.9375 in case nitriding treatment, negative & very strong relation = -0.98 in case shoot penning &intruding. | ||
| Keywords | ||
| Win QSB; treatment surface; low carbon alloy steel; stress and the number of fatigue cycles | ||
|
Statistics Article View: 144 PDF Download: 49 |
||