Failure Analysis of Brake Panel on Automotive Braking System

Munaji, Munaji and Winardia, Yoyok (2019) Failure Analysis of Brake Panel on Automotive Braking System. Journal of Energy, Mechanical, Material, and Manufacturing Engineering, 4 (1). pp. 23-28. ISSN ISSN 2541-6332 | e-ISSN 2548-4281

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This paper presents the results of a failure analysis investigation conducted in the braking component of motorcycle. One of the components is the brake panel. This component has been replaced in the non-authorized dealer. After used within 3 months, the brake panels broken during the braking process. The investigation involves several procedures and testing techniques, including: visual observation, chemical composition testing, fractography and hardness testing. Based on the results of the chemical composition testing, the brake panels are made of aluminum alloy (Al-Si) series 4xxx. Fractography was performed in scanning electron microscopy (SEM) and optical microscopy (OM). Vickers hardness machine is used to test the hardness. The result of the observations indicate porosity along the fracture area. The result of the hardness testing shows that the distribution of hardness in different zones is very uniform. Based on the overall analysis, the failure of the brake panel is caused by stress concentration due to the porosity in the solid solutions. The emergence of porosity was suspected an error during the casting process.

Item Type: Article
Uncontrolled Keywords: Keywords: brake panel; failure analysis; stress concentration
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Machine Engineering
Depositing User: Library Umpo
Date Deposited: 14 Mar 2021 12:43
Last Modified: 15 Mar 2021 01:35

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