A cumulative damage model for fatigue life prediction based on dynamic and static deflections
Other Title(s)
أنموذج للضرر التراكمي لتخمين أعمار الكلال معتمدا على الانحرافات المستقرة و الداينميكية
Joint Authors
Juhi, Hasan H.
Abd al-Razzaq, Nazhat Said
al-Alkawi, Husayn Jasim Muhammad
Source
Engineering and Technology Journal
Issue
Vol. 33, Issue 4A (30 Apr. 2015), pp.762-775, 14 p.
Publisher
Publication Date
2015-04-30
Country of Publication
Iraq
No. of Pages
14
Main Subjects
Topics
Abstract AR
الهدف الأساسي لهذه الدراسة هو لتوثيق تصرف سبيكة الفولاذ CK35 تحت ضرر الكلال عند درجة حرارة الغرفة ونسبة إجهاد (l-=R).
تم اقتراح أنموذج لا خطي للضرر التراكمي يعتمد على الانحرافات المستقرة و الداينميكية.
اخذ بنظر الاعتبار تتابع الحمل و منحنيات N-S .
تم الحصول على تخمينات مقنعة عند استخدام الأنموذج المقترح على تتابع الأحمال ذات الحزمتين للفحوصات العملية.
تمت المقارنة بين LDR مع الأنموذج المقترح و قد أعطى الأنموذج المقترح توافق جيد مع النتائج العملية.
لذلك يبدوان الأنموذج اللاخطي للضرر هو الاختيار الأفضل لتخمين الكلال التراكمي من نوع الحزمتين.
Abstract EN
The main goal of this study is to report experimental evidence about the accumulative fatigue damage behavior of CK35 steel alloy at room temperature and zero main stress (R = -1).
A non-linear accumulative damage model based on static and dynamic deflection is proposed, considering the loading sequence into account and the constant S-N curve.
Satisfactory predictions of cumulative fatigue life have been observed when applying the proposed model to the two block loading sequence.
Comparison between LDR and proposed model has been made.
It was found that LDR can underestimate the fatigue damage and the proposed model showed good agreement with the experimental results.
A non-linear damage model seems to be a proper choice for predicting the cumulative fatigue two block loading histories.
American Psychological Association (APA)
al-Alkawi, Husayn Jasim Muhammad& Abd al-Razzaq, Nazhat Said& Juhi, Hasan H.. 2015. A cumulative damage model for fatigue life prediction based on dynamic and static deflections. Engineering and Technology Journal،Vol. 33, no. 4A, pp.762-775.
https://search.emarefa.net/detail/BIM-590043
Modern Language Association (MLA)
al-Alkawi, Husayn Jasim Muhammad…[et al.]. A cumulative damage model for fatigue life prediction based on dynamic and static deflections. Engineering and Technology Journal Vol. 33, no. 4A (2015), pp.762-775.
https://search.emarefa.net/detail/BIM-590043
American Medical Association (AMA)
al-Alkawi, Husayn Jasim Muhammad& Abd al-Razzaq, Nazhat Said& Juhi, Hasan H.. A cumulative damage model for fatigue life prediction based on dynamic and static deflections. Engineering and Technology Journal. 2015. Vol. 33, no. 4A, pp.762-775.
https://search.emarefa.net/detail/BIM-590043
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 774-775
Record ID
BIM-590043
