Effects of Shot Peening Cyclic Load on Fatigue Crack Propagation Life of 2024T351 Aluminum Alloy

Fareg S Ali; Abdulghadar A. M Awheda; Abdussalam A Ahmed

doi:10.58916/jhas.v9i5.561

المؤلفون

Fareg S Ali Department of Mechanical Engineering, College of Technical and Sciences Bani Walid , Bani Walid , Libya مؤلف
Abdulghadar A. M Awheda Department of Mechanical Engineering, Higher Institute of Engineering Technologies, Bani Walid, Bani Walid , Libya مؤلف
Abdussalam A Ahmed Department of Mechanical Engineering, Faculty of Engineering, Bani Waleed University, , Bani Walid , Libya مؤلف

DOI:

https://doi.org/10.58916/jhas.v9i5.561

الكلمات المفتاحية:

Shot peen، Cyclic load، Fatigue life، intensity، Residual stress

الملخص

Surface treatments like shot peening are frequently employed to bolster the fatigue resistance of components. This study entails simulation and experimental investigations conducted on 2024-T351 aluminum alloy specimens subjected to three distinct shot peening treatments. The experiments involved subjecting specimens to varying intensities shot peening categorized as 4-6A, 6-8A, and 8-10A, followed by cyclic loading tests. Two different stress levels, 170MPa and 280MPa, were applied during cyclic tests for varying cycle counts ranging from 1 to 10,000 cycles. The enhanced fatigue life of peened specimens exhibited a notable increase of 28%, contingent upon the shot peening parameters. Specifically, employing higher shot peening parameters such as material of shot peen, peening velocity, and size led to greater layer of residual stresses, thereby improving fatigue life. These beneficial effects serve to impede crack initiation and propagation on component surfaces, consequently retarding crack propagation rates. Fatigue life estimation for the 2024-T351 aluminum alloy can be derived from the S-N curve based on the maximum stress experienced by the specimen. Notably, simulation results closely aligned with experimental findings.

التنزيلات

تنزيل البيانات ليس متاحًا بعد.

السيرة الشخصية للمؤلف

Fareg S Ali، Department of Mechanical Engineering, College of Technical and Sciences Bani Walid , Bani Walid , Libya

البيانات الشخصية

الاسم: فرج سعيد مفتاح علي                             تاريخ الميلاد:   5-7-1977

Name: Fareg Saeid Moftah ALI

الجنسية:    ليبي                                          الحالة الاجتماعية:   متزوج

العنوان: ليبيا- بني وليد

faragpodina@yahoo.comرقم الهاتف:     00218913737196                البريد الالكتروني:

الموهلات العلمية

1-الموهل العلمي الاول:

اسم الجامعة                المعهد العالي للمهن الهندسية طرابلس

التخصص العام            هندسة ميكانيكة

التخصص الدقيق          هندسة انتاج

المعدل                     جيد جدا بنسبة 83.23 %

سنة التخرج               1999-2000

2-الموهل العلمي الثاني (الماجستير)

University Technology Malaysia (UTM) اسم الجامعة                جامعة التكنولوجيا الماليزية

التخصص العام            هندسة ميكانيكة

التخصص الدقيق          هندسةا التصنيع المتقدم

المعدل                     3.14

سنة التخرج                2008

3- الموهل الثالث (الدكتوراه)

                                   University Tenaga National (UNITEN) اسم الجامعة            جامعة الطاقة الماليزية

التخصص              هندسة ميكانيكة

سنة التخرج            2017 - 2018

اللغة العربية (اللغة الام) – اللغة الانجليزية – اللغة الملاوية.- اللغات4

5- الخبرات

1- رئيس قطاع التخطيط ببلدية سرت (اللجنة الشعبية للتخطيط) من عام 2001 الى عام 2005

2- متعاون بكلية الهندسة جامعة بني وليد 2008- 2012

3- متعاون بالمعهد العالي للالات التقيلة بني وليد 2009 - 2012

4- متعاون بكلية العلوم قسم الفيزياء جامعة غريان 2009 - 20012

5-استاد قار بالمعهد العالي للمهن الشاملة بني وليد من 2008 - 2013

6- قار بكلية العلوم التقنية بني وليد من 2018 - 2022

المنشورات العلمية

1- نشر ورقة بحثية بعنوان

A Review: Experimental and finite element modeling of residual stress relaxation under cyclic load of aluminium alloys, Journal of Scientific Research and Development, 11-12 March 2016.

2- نشر ورقة بحثية بعنوان:

Experimental and numerical investigation of surface residual stress relaxation of A2024-T351 aluminium alloy, International Journal of Pure and Applied Mathematics. March 30, 2018.

3- نشرورقة بحثية بعنوان

Relationship between Compressive Residual Stress Relaxation and Microhardness Reduction after Cyclic Loads on Shot peened ASTM A516 Grade 70 Steel, Key Engineering Materials, 2018.

4- نشر ورقة بحثية بعنوان:

Experimental and finite element modeling of residual stress relaxation under cyclic load of aluminium alloys: Review, International Journal of Pure and Applied Mathematics, March 30, 2018.

5- نشر ورقة بحثية بعنوان:

Improvement of mechanical properties and fatigue life by shot peening process on ASTM A516 Grade 70 steel, Malaysian Journal of Fundamental and Applied Sciences (2018).

6- نشر ورقة بحثية بعنوان:

Experimental and finite element of residual stress relaxation in 2024T351 aluminium alloys duo to cyclic loading at room temperatures: A Review, 4th NatGrad Conference April 26-27, 2017 UNITEN, Malaysia.

7- نشر ورقة بحثية بعنوان:

Evaluation Residual Stress Relaxation Induced by Shot Peening Parameters and its Effect on Fatigue of 2024-T351 Aluminum Alloy, test engineering and management, November-December 2019

8- نشر ورقة بحثية بعنوان:

Early Fault Detection in Bearing with Fault Seeded on Outer Raceway at Three Different Position: Orthogonal, Centered and Opposite, International Journal of Recent Technology and Engineering (IJRTE), November 2019.

9- نشر ورقة بحثية بعنوان:

4D Printing in Healthcare: Technology Evaluation, Applications, and Market Size Forecasting, African Journal of Advanced Pure and Applied Sciences (AJAPAS) January 2022.

10- نشر ورقة بحثية بعنوان:

Analysis of Residual stresses induced by mechanical shot peening processes using the X-ray diffraction technique and finite element method of 2024-T351 Aluminum Alloy, Albahit journal of applied sciences, 2022.

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