کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5207362 1382347 2008 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Test MethodStatic fracture resistance of ultra high molecular weight polyethylene using the single specimen normalization method
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Test MethodStatic fracture resistance of ultra high molecular weight polyethylene using the single specimen normalization method
چکیده انگلیسی

Fracture of ultra high molecular weight polyethylene (UHMWPE) components used in total joint replacements is a clinical concern. UHMWPE materials exhibits stable crack growth under static loading, therefore, their fracture resistance is generally characterized using the J-R curve. The multiple specimen method recommended by ASTM for evaluation of the J-R curve for polymers is time and material intensive. In this study, the applicability of a single specimen method based on load normalization to predict J-R curves of UHMWPE materials is evaluated. The normalization method involves determination of a deformation function. In this study, the J-R curves obtained using a power law based deformation function and the LMN curve based deformation function were compared. The results support the use of the power law based deformation function when using the single specimen approach to predict J-R curves for UHMWPE materials.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Testing - Volume 27, Issue 2, April 2008, Pages 260-268
نویسندگان
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