مقاله Effect of age hardening parameteres on mechanical properties of aluminium alloys series A2024 and A6061 با word دارای 6 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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بخشی از متن مقاله Effect of age hardening parameteres on mechanical properties of aluminium alloys series A2024 and A6061 با word :
سال انتشار: 1391
محل انتشار: دومین کنفرانس بین المللی آلومینیوم
تعداد صفحات: 6
نویسنده(ها):
A.H. Moghanian – Materials Science and Engineering Department, Sharif University of Technology, Tehran, Iran
S. Feizi talarpoushti – Materials Science and Engineering Department, Sharif University of Technology, Tehran, Iran
A. Bahrami – Materials Science and Engineering Department, Sharif University of Technology, Tehran, Iran
M. Marefvand – Islamic Azad University, Karaj Branch
چکیده:
In the present work, the influence of different artificial aging conditions on mechanical properties of two types of aluminium alloys A2024 & A6061 was studied. The mechanical properties of these alloys are adjusted by performing age hardening heat treatments. For this purpose after solutionizing treatment for A2024 & A6061 at 495C and 529C and water quench. the specimens were aged at 190C and 170C respectively For different periods of time (1-10h). For The precipitation stages during ageing were monitored by hardness measurements. After different solution treatment and aging condition For each specimen, Charpy impact, hardness and tensile tests were carried out. Result reveal that During ageing the impact toughness of the alloys first increased, and then, following a maxima decreased due to the precipitation of intermediate phases, finally it reached its minimum at the peak hardness. Finally the Relationship between hardness, impact toughness and strength were investigated.