ANALISA PERMUKAAN PATAH LELAH PADA MATERIAL BAJA ASTM A - 36 MENGGUNAKAN SCANNING ELECTRON MICROSCOPE

CHRISDIANTONO, ROLAN and Chandra, Hendri (2024) ANALISA PERMUKAAN PATAH LELAH PADA MATERIAL BAJA ASTM A - 36 MENGGUNAKAN SCANNING ELECTRON MICROSCOPE. Masters thesis, Sriwijaya University.

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Abstract

The development of the construction sector in the industrial world regarding the need for technical materials is increasing rapidly, this can be seen by the increasing demand for technical materials which are classified as having higher quality, for example; in terms of capabilities (mechanical properties), the price is cheaper and widely sold on the market. In developing technology and processes such as; The fields of construction, production or manufacturing are closely related to the mechanical properties of a material, especially in the field of materials engineering, which is becoming increasingly difficult to meet with existing materials. In general, construction, including machine buildings, whether static (still) or dynamic (moving), in its operation always experiences dynamic loads, dynamic loads can be caused by factors that are difficult to avoid, such as gusts of wind, sea waves, uneven surfaces and so on. The cause of fatigue is the presence of cracks that originate in areas where the stress concentration is high. These areas include: indentations, holes in the material, rough surfaces, and cavities both inside and on the surface of the material. So, the occurrence of fatigue is a crack that continues to grow in length until the component no longer has the tolerance for higher stresses and strains. The length of this crack will continue to increase due to continuous dynamic loading. In this research, fatigue testing using the repeated bending method was carried out, after testing the specimen, the fracture surface was analyzed using visual observation to see the macro structure and a scanning electron microscope test was carried out to see the structure. the micro

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Analisis; Kelelahan; Baja; ASTM A – 36; SEM
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
Divisions:	03-Faculty of Engineering > 21101-Mechanical Engineering (S2)
Depositing User:	Rolan Chrisdiantono
Date Deposited:	18 Jul 2024 12:53
Last Modified:	18 Jul 2024 12:53
URI:	http://repository.unsri.ac.id/id/eprint/147485

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