FAILURE ANALYSIS ON SLINGER DISK PIPE OF PURIFIED TEREPHTALIC ACID (PTA) VESSEL
Slinger disk pipe is a rotary part of PTA vessel with function as anti-fog by swinging hot water to the shell wall to remove solid PTA at the shell wall. Failure took place on this slinger disk pipe. The purpose of failure analysis is to find the root cause of failure. Methods conducted in this failure analysis are examination and testing of fractography, metallography, chemical composition, hardness, and calculation of bending stress. Examination on the fracture surface by fractographic method revealed fatigue fracture with the presence of multiple beachmarks. The position of those multiple beachmarks gave indication of alternation rotation of slinger disk pipe. Examination by metallographic method revealed that initial cracks initiated from heat affected zone of pipe and strengthening plates weld joint. However, result of chemical composition examination and hardness test showed that material of slinger disk pipe were in accordance with lean duplex 2205. Calculation of bending stress gave supporting data of various load effects to slinger disk pipe. Therefore, failure of the slinger disk pipe was caused by fatigue fracture which were initiated from head affected zone of pipe and strengthening plates weld joint.
Rahmatullah, K.M., Ahmad, R., Analysis of Material Bronze Tired Testing Using The Rotary Bending Fatigue Machine (Analisa Pengujian Lelah Bronze dengan MenggunakanRotary Bending Fatigue Machine), Jurnal Rekayasa Material, Manufaktur dan Energy, Vol. 1, No. 1, Sep. 2018, p. 1.
Malau, J., Rochiem, R., Failure Analysis on the Fuel Intake Manifold of Aircraft Boeing 737-500 (Analisa Kegagalan pada Fuel Intake Manifold Pesawat Terbang Boeing 737-500), Jurnal Teknik Pomits, Vol. 2, No. 2, 2013, p. 63.
Adrian, J., Latif, N., Noerochim, L., Kurniawan, B.A., Failure Analysis of Boiler Superheater Tube Type ASTM A213 Grade T11 in Steam Power Plant (Analisa Kerusakan Superheater Tube Boiler Tipe ASTM A213 Grade T11 pada Pembangkit Listrik Tenaga Uap), Jurnal Teknik ITS, Vol. 5, No. 2, 2016, p. 148.
Munaji, Winardi, T., A Case Study of Failure Analysis of Material of Motorcycle Piston (Studi Kasus Analisis Kerusakan Material Piston Sepeda Motor), R.E.M. Jurnal, Vol. 2, No. 2, 2017.
Wang, J.L., Zhang, Y.L., Zhao, Q.C., Zhang, M., The Fatigue Failure Analysis and Fatigue Life Prediction Model of FV520B-I as a Function of Surface Roughness in HCF Regime, Journal of Materials Research Society, Vol. 32, Issue 3, 14 Feb. 2017, page 634.
Powell, G.W., Mahmoud, S.E., ASM Handbook, Failure Analysis and Prevention, Volume 11, 1998, p. 102-135.
Pridgeon, J.W., Langer, E.L., Metallography and Microstructures, Volume 9, ASM International, 1998.
_______, ASME B36.10M Welded and Seamless Wrought Steel Pipe, ASME International, 2004
_______, ASTM A815 Standard Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings, ASTM International, 2004.
Grocki, J., A Primer for Duplex Stainless Steel, www.steeltank.com, Pressure Vessel, SSW Seminar, Oct. 2012.
Arora, P., Gupta, S.K., Samal, M.K., Chattopadhyay, J., Validating Generality of Recently Developed Critical Plane Model for Fatigue Life Assessment Using Multiaxial Test Database on Seventeen Different Materials, Journal of Fatigue & Fracture of Engineering Materials & Structures, Wileyonlinelibrary, published 16 Feb. 2020.
Wisner, B., Mazur, K., Kontsos, A., The Use of Nondestructive Evaluation Methods in Fatigue, Journal of Fatigue & Fracture of Engineering Materials & Structures, Wileyonlinelibrary, published 13 Feb. 2020.
Li, Z., Shi, D., Yang, X., Residual Fatigue Life Prediction Base on a Novel Damage Accumulation Model Considering Loading History, Journal of Fatigue & Fracture of Engineering Materials & Structures, Wileyonlinelibrary, published 9 Feb. 2020.
Texier, D., Fatigue Performances of FSW and GMAW Aluminum Alloys Welded Joints: Competition between Microstructural and Structural-Contact-Fretting Crack Initiation, journal. elsevier. com/international-journal-of-fatigue, Mendeley, published 18 Jun. 2018.
Katifes, X., Structural Analysis, Fatigue Analysis and Optimation of Aircraft Wings, Edinburgh Napier University, academia.edu/40304909, 2016.
Open Access Policy
MIPI provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
MIPI by TIRBR-BPPT is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Permissions beyond the scope of this license may be available at http://ejurnal.bppt.go.id/index.php/MIPI