کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7988431 | 1515818 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of the stress ratio on the fatigue behavior of Zr55Al10Ni5Cu30 bulk metallic glass. Part II - Reconfirmations and new findings on the crack propagation mechanism
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of the stress ratio on the fatigue behavior of Zr55Al10Ni5Cu30 bulk metallic glass. Part II - Reconfirmations and new findings on the crack propagation mechanism Effect of the stress ratio on the fatigue behavior of Zr55Al10Ni5Cu30 bulk metallic glass. Part II - Reconfirmations and new findings on the crack propagation mechanism](/preview/png/7988431.png)
چکیده انگلیسی
The assessment of the reliability of Bulk Metallic Glasses (BMGs) as structural materials needs further investigations, particularly dealing with the impact of the loading condition on the fatigue behavior. Stress ratio R is one of these important parameters associated with the fatigue loading. The present work investigates the high-cycle fatigue properties of Zr55Al10Ni5Cu30 BMG at three distinct stress ratios from 0.1 to 0.7. Even though Part I of the present study has been mainly focused on the fatigue resistance considerations, a peculiar feature was found on the fracture surface at stress ratio of RÂ =Â 0.7. Thus, this second part is investigating the fatigue crack propagation behavior of Zr55Al10Ni5Cu30 BMG. Experimental results highlight a crack propagation behavior at RÂ =Â 0.1 and 0.4 similar to the results reported in the research field. On the other hand, observations of fracture surface and tensile surface of specimens failed at high stress ratio of RÂ =Â 0.7 underline a peculiar crack propagation behavior.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 93, February 2018, Pages 274-282
Journal: Intermetallics - Volume 93, February 2018, Pages 274-282
نویسندگان
Benjamin Guennec, Takuya Nobori, Hirotaka Kuwahara, Akira Ueno,