کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7171362 | 1463709 | 2018 | 32 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Impact of specimen configuration on fatigue properties of self-piercing riveted aluminum to carbon fiber reinforced polymer composite
ترجمه فارسی عنوان
تأثیر پیکربندی نمونه بر روی خواص خستگی آلومینیوم پرپیچ و خم آلومینیومی به کامپوزیت پلیمر تقویت شده فیبر کربن
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کلمات کلیدی
ناخن های خودپرداز، استحکام خستگی، آلیاژهای آلومینیوم، پلاستیک تقویت شده فیبر کربن، مفاصل متفرقه،
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
چکیده انگلیسی
In this study, the fatigue properties of SPR joints in CFRP-to-AA6111 aluminum alloy in lap-shear and cross-tension specimens are presented. The test specimens were produced with two distinctive targeted rivet head heights separated by 0.3â¯mm. The tensile failure load and fatigue life of the lap-shear joints in particular was highly influenced by the flushness of the rivet head against the top sheet of CFRP. The lap-shear SPR joints produced with a proud head height exhibited higher tensile failure load and slightly longer fatigue life than SPR joints produced with a flush head height. In cross-tension joints, the flushness of the rivet had no significant influence on the quasi-static failure load and fatigue life of the SPR joints. Two distinctive failure modes were observed, in quasi-static loading, the lap-shear and cross-tension joints failed due to rivet pullout of the bottom aluminum sheet. In cyclic loading, the lap-shear joints failed due to kinked crack growth in the bottom aluminum sheet, while the cross-tension joints failed due to rivet pulling out of the top CFRP sheet. Finally, an analytical based, structural stress model was used to generate a master curve to predict the fatigue life of the SPR joints for both specimen types. The study shows, the flared rivet diameter as a controlling parameter in evaluating the fatigue life of the SPR joints.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Fatigue - Volume 113, August 2018, Pages 11-22
Journal: International Journal of Fatigue - Volume 113, August 2018, Pages 11-22
نویسندگان
Harish M. Rao, Jidong Kang, Garret Huff, Katherine Avery,