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Experimental Study on the Effect of Temperature on the Fatigue Endurance Limit of Two AL Alloys
دراسة عملیة لبیان تأثیر درجة الحرارة على حد الكلال لسبیكتین من الالمنیوم

Author: Sa’ad Abbas Al-Saraf
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2012 Volume: 30 Issue: 6 Pages: 1048-1057
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

In this work , an experimental study to obtain the fatigue endurance limit for two aluminum alloy , 2024 and 5052 , were carried out at stress ratio R=-1 and rotary bending tests . The fatigue tests were performed at RT, 100 °C, 200 °C and 300 °C in order to establish the S–N curve equations. The fatigue endurance limits for both alloys at different temperature conditions were calculated at 107 cyclesfrom the empirical S-N curve equations. It was found that the fatigue endurance limit decrease with increasing the temperature. Also the reduction percentage in fatigue endurance limit for 5052 Al. alloy was higher than that of 2024 Al. alloy.

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