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Investigation of the Fatigue Crack Propagation Behaviour in the Al Alloy/Hybrid MMC Bi-layer Material

Iqbal, AKM Asif and Arai, Yoshio (2017) Investigation of the Fatigue Crack Propagation Behaviour in the Al Alloy/Hybrid MMC Bi-layer Material. In: IOP Conference Series: Materials Science and Engineering, International Conference on Materials and Intelligent Manufacturing (ICMIM 2017), 21-23 August 2017 , National University of Singapore (NUS), Singapore. pp. 1-6., 244 (012013). ISSN 1757-8981 (Print), 1757-899X (Online)

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Abstract

In this study, the fatigue crack propagation behaviour in the Al alloy-hybrid MMC bi-material system has been investigated. Three-point bending fatigue test is carried out on the Shimadzu servopulser machine. The plastic replica technique is used to observe the crack growth during cyclic loading. The crack growth rate is analyzed at different stress intensity factor range, ΔK. The experimental results showed that the crack growth decelerates in the MMC layer side and maximum crack retardation occurs on the boundary of the bi-material system. Near the boundary of the bi-material, the crack tip becomes curved, which reduces the crack growth rate in the vicinity of the boundary of the bi-material even at higher ΔK. The particle-matrix interfacial debonding, as well as particle fracture, is observed in the hybrid MMC layer during fatigue loading.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: fatigue crack propagation; Al alloy-hybrid MMC bi-material
Subjects: T Technology > TS Manufactures
Faculty/Division: Faculty of Manufacturing Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 21 Nov 2017 08:08
Last Modified: 17 Oct 2018 02:34
URI: http://umpir.ump.edu.my/id/eprint/17198
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