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THE EFFECT OF BALL DIAMETER SHOT PEEN ON FATIGUE STRENGTH FOR LOW ALLOY STEEL | ||
| AL-TAQANI | ||
| Article 1, Volume 21, Issue 4, 2008, Pages 0-0 | ||
| Abstract | ||
| This paper is aimed to study the effect of ball size employed in shot-peening operation on the fatigue strength of low carbon alloy steel. (4135-AISI) also show the comparison of fatigue strength to the same metal between specimen treated by surface hardening nitriding operation. The results indicate that the fatigue strength improving when the ball size used in the shote-peening increased also the fatigue strength increased in the specimen shot peened after nitriding operation by steel balls with diameter 1.25 mm. all fatigue test done by rotating bening at mean stress=0 . | ||
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