کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5021977 | 1469473 | 2017 | 26 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Transverse permeability of dry fiber preforms manufactured by automated fiber placement
ترجمه فارسی عنوان
نفوذ پذیری عرضی پریفرم های فیبر خشک تولید شده توسط قرار دادن فیبر خودکار
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کلمات کلیدی
مدل سازی، قرار دادن فیبر خودکار، سازه های لایه ای، جریان رزین،
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
چکیده انگلیسی
This work presents a correlation between the transverse permeability of a preform and the process variability of the automated dry fiber placement manufacturing technique. In this study, an experimental and numerical analysis of the dry tape preform, with a focus on its through-thickness permeability, has been undertaken. Geometric models, containing flow channels of two different width dry tape carbon preforms, have been created in the TexGen modeller. A Computational Fluid Dynamics (CFD) simulation has been undertaken to obtain the predicted through-thickness permeability of the dry tape preform. A parametric study on the effect of different dry tape gap sizes on the permeability of the preform is presented. An in-situ compaction study, carried out in an X-CT machine, revealed that the gap sizes were irregular throughout the manufactured preforms. In addition, an experimental investigation of the through-thickness permeability, which is based on a saturated flow condition at a thickness corresponding to full vacuum pressure, is also presented. The permeability prediction based on the X-CT re-constructed geometric model has been validated using the experimental data. A further parametric study has revealed that the process variablity in automated dry fibre placement influences the through-thickness permeability by a factor of upto 5.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 152, 10 November 2017, Pages 57-67
Journal: Composites Science and Technology - Volume 152, 10 November 2017, Pages 57-67
نویسندگان
A.R. Aziz, M.A. Ali, X. Zeng, R. Umer, P. Schubel, W.J. Cantwell,