| Issue |
MATEC Web of Conferences
Volume 159, 2018
The 2nd International Joint Conference on Advanced Engineering and Technology (IJCAET 2017) and International Symposium on Advanced Mechanical and Power Engineering (ISAMPE 2017)
|
|
|---|---|---|
| Article Number | 02027 | |
| Number of page(s) | 6 | |
| Section | Manufacturing | |
| DOI | https://doi.org/10.1051/matecconf/201815902027 | |
| Published online | 30 March 2018 | |
Failure Analysis of Shaft Circulating Water Pump (CWP) used in Power Plant
1
Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Jl. Prof. Soedharto, Tembalang, Semarang 50275
2
Department of Mechanical, Politeknik Maritime Negeri Indonesia, Semarang Jl.Pawiyatan Luhur 1/1 Bendan Duwur semarang 50233
* Corresponding author: hamidsmg80@gmail.com
Pump shafts are generally exposed to the liquid being pumped either on a continual basis or at certain locations along the length of the shaft. The shaft material is austenitic stainless steel, description ASTM AU 79 TY 316. The purpose of this study is to determine the failure of the water pump shaft used in the power plant. Metallography is the study of structure metal shaft can used as a means for CWP metal pelleting (Circulating Water Pump), for the purpose of damaged or deeply degraded areas. SEM test is used to know the beginning of the crack (crack initiation). EDS test is used to chemical composition and Vikers hardness test is also used to know the hardness material. These three tests to support in analyzing the failure of the pump shaft. The conclusion of this failure analysis is the shaft material has porosity. Fatigue cracking comes from the outer surface area.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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