کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
4917569 1362787 2018 10 صفحه PDF ندارد دانلود رایگان
عنوان انگلیسی مقاله
Large deformation of an auxetic structure in tension: Experiments and finite element analysis
کلمات کلیدی
Re-entrant hexagonal honeycomb; Polymer and stainless steel; Image correlation; Poisson’s ratio; Finite element analysis;
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Large deformation of an auxetic structure in tension: Experiments and finite element analysis
چکیده انگلیسی

The present paper reports on the post-yield behaviors of an auxetic structure, honeycomb with representative re-entrant topology. Specimens were made of stainless steel and polymer, respectively. Quasi-static uniaxial tensile tests were conducted in the two principal directions, followed by simulations using the commercial code – ABAQUS 6.11-2. The deformation, tensile stress-strain curves and Poisson’s ratio were of interest. A good agreement was observed between the numerical simulations and the experimental results. Subsequently, the effect of cell wall thickness and initial cell angle was studied by means of finite element analysis. An analytical equation was also given for the yield stress of such materials under tension.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composite Structures - Volume 184, 15 January 2018, Pages 92-101
نویسندگان
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