Abstract
Pumps are very important industrial equipment in the petroleum industry. The component that often fails is the pump shaft. Therefore, it is necessary to conduct a failure analysis of this component to determine the mode/type of failure and how it occurred. This study used Scanning Electron Microscope (SEM), metallographic test, chemical composition test, and Brinell hardness test with the standard UNSS42000 material. Fatigue test to determine the fatigue limit of the shaft with a rotary bending fatigue test. The failure model that occurred was fatigue failure characterized by initial cracks, crack growth, ratchet marks, sudden fracture areas. Based on the comparison between the test results of chemical composition and mechanical properties of the material, the drive shaft pump material was suitable for the UNS S42000 material.
Highlights
Pumps are very important industrial equipment in the petroleum industry
fatigue failure characterized by initial cracks
the drive shaft pump material was suitable for the UNS S42000 material
Summary
Kebutuhan akan sumber energi, terutama energi minyak bumi, adalah kebutuhan yang sangat besar. Berbagai cara dilakukan agar dapat menghasilkan minyak bumi sebaik dan sebanyak mungkin dengan cara yang mudah dan efisien. Pompa merupakan peralatan industri yang sangat penting dalam industri minyak bumi. Komponen pompa jika mengalami kegagalan akan menjadikan kegiatan produksi di industri minyak bumi terhambat dan merugikan perusahaan. Kerusakan yang terjadi pada komponen-komponen pompa adalah sebuah kerusakan yang tidak biasa. Hal ini karena umur komponenkomponen tersebut masih dapat dianggap sebagai komponen yang baru. Hal ini dilakukan untuk mengetahui apa mode/jenis kerusakan yang terjadi dan bagaimana kerusakan itu terjadi. Uji yang sudah dilakukan terhadap komponen tersebut adalah uji tarik, uji impak, uji kekerasan, uji komposisi kimia, uji SEM, uji struktur mikro, dan uji korosi untuk mengetahui laju korosi dari material tersebut
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