Experimental Study Of The Effect Of Aging Temperatures And Aging Time Variations In The Process Of Aluminum 2024 Heat Treatment On Mechanical Properties And Micro Structures

Fatoni, Risqi and Fahrudin, Amirul Angga (2019) Experimental Study Of The Effect Of Aging Temperatures And Aging Time Variations In The Process Of Aluminum 2024 Heat Treatment On Mechanical Properties And Micro Structures. Undergraduate thesis, Untag 1945 Surabaya.

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Abstract

This study aims to determine the effect of variations in temperature aging 1300 C, 1600C, 1900C with an aging time of 40 minutes, 80 minutes, 120 minutes. After the heat treatment process testing the mechanical properties include hardness test, tensile test, and micro structure. In this study the authors using 2024 aluminum material. The results showed that the highest hardness test was located on aluminum 2024 without heat treatment of 82.4 HRB and for the lowest hardness test results located on aluminum 2024 after heat treatment with an aging temperature of 190 ° C and 120 minutes aging resistance time of 67.8 HRB For the highest tensile value lies 2024 aluminum without heat treatment of 59.68 Kg / mm2 and the lowest tensile value is located on 2024 aluminum after the heat treatment process with a temperature aging of 1900C and an aging time of 120 minutes at 40.56 Kg / mm2. the largest microstructure grain is located on aluminum 2024 after heat treatment with temperature aging 1900C with a hold time of 120 minutes grain size an average of 60.47 µm and the smallest grain size is located on aluminum 2024 without heat treatment average grain size of 42 , 2 µm. The results of the research show that aluminum 2024 with the treatment process with variations in temperature and aging time can reduce mechanical properties and can change the grain size of microstructure to be greater on aluminum 2024.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Heat treatment, mechanical properties, microstructure, aluminum 2024.
Subjects: T Technology > T Technology (General)
Divisions: Fakultas Teknik > Program Studi Teknik Mesin
Depositing User: Didik Ahmad
Date Deposited: 20 Dec 2021 02:50
Last Modified: 20 Dec 2021 02:50
URI: http://repository.untag-sby.ac.id/id/eprint/12974

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