کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7889377 | 1509861 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Open hole fatigue testing of laser machined MD-CFRPs
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Open hole fatigue testing of laser machined MD-CFRPs Open hole fatigue testing of laser machined MD-CFRPs](/preview/png/7889377.png)
چکیده انگلیسی
The effect of fiber laser machining (FLM) on multi-directional carbon fiber reinforced plastics (MD-CFRP) with [0/90/45/â45]s lay-up was studied under tension-tension fatigue with stress ratio Râ¯=â¯0.1 for an open hole fatigue (OHF) test configuration. The FLM parameters were chosen to yield a heat affected zone (HAZ) corresponding to a damage factor of approximately 1.4. The growth of this initial damage under tension-tension fatigue was investigated using digital image correlation (DIC), and damage growth characterization was carried out using scanning acoustic microscopy (SAM) and micro computed tomography (micro-CT). The endurance limit of the MD-CFRPs was evaluated by examining the fatigue life at 70, 50 and 30% of its ultimate tensile strength. Results show a strong correlation of damage mode on the applied load levels like conventionally machined samples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part A: Applied Science and Manufacturing - Volume 111, August 2018, Pages 33-41
Journal: Composites Part A: Applied Science and Manufacturing - Volume 111, August 2018, Pages 33-41
نویسندگان
Dinesh Kalyanasundaram, Suhasini Gururaja, Prajakta Prabhune, Dilpreet Singh,