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EFFECT OF SURFACE TREATMENT ON THE FATIGUE PERFORMANCE OF AISI4340 STEEL | ||
| AL-TAQANI | ||
| Article 1, Volume 19, Issue 2, 2006, Pages 150-156 | ||
| Author | ||
| Ahmed M. Mosa | ||
| Abstract | ||
| The effect of surface treatment on fatigue life of AISI4340 steel was studied. The specimens were heat treated by oil quenching , then they were low tempered at 200C, medium tempered at 320C and high tempered at 650C. The specimens were then tested. Best fatigue performance was obtained from high tempered specimens. The surface of 650C tempered specimens was then ground, polished, and chromium plated. It was found that best fatigue performance was obtained from specimens that were oil quenched and tempered at 650C, then polished | ||
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