REMAINING CREEP LIFE ASSESSMENT OF GAS TURBINE BLADE MADE OF IN 792 ‎NICKEL-BASE SUPER ALLOY

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KARIMI ABOLFAZL; YARMOHAMMAD TOUSKI HOSSEIN; NOORI MOHAMMAD; BARJESTEH MOHAMMAD MEHDI; MOHAMMAD KARIMI YAZDI HOSSEIN

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Journal: IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH) Year:2016 | Volume:18 | Issue:3 Page(s): 6-18

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Title

REMAINING CREEP LIFE ASSESSMENT OF GAS TURBINE BLADE MADE OF IN 792 ‎NICKEL-BASE SUPER ALLOY

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Keywords

TURBINE BLADEQ2

GAMMA PRIMEQ1

CREEP LIFEQ1

STRESS ANALYSESQ1

LARSON-MILLER PARAMETERQ1

Abstract

During the operation, the TURBINE BLADEs of hot gas path suffer service induced degradation due to ‎different causes such as creep, fatigue, oxidation, corrosion and etc. The present study was carried ‎out the effect of long-term service at the high temperature exposure to remaining life assessment gas ‎TURBINE BLADE made of Inconel 792 nickel base super alloy. That is investigated by studying on ‎microstructure by optical and scanning electron microscopy, mechanical properties such as high ‎temperature tensile and stress-rupture test and STRESS ANALYSES of TURBINE BLADE. The result has been ‎shown the GAMMA PRIME rafting and TCP phase formation has occurred at the microstructure. ‎Because of long-term service at high temperature, stress- rupture properties of blade reduced and ‎‎20% lower than new IN 792 alloys. The STRESS ANALYSES with ANSYS software and CREEP LIFE ‎assessment results by use LARSON-MILLER PARAMETER, the safety factor of blade lower than 1 and life ‎time of TURBINE BLADE is finished.‎

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APA: Copy

KARIMI, ABOLFAZL, YARMOHAMMAD TOUSKI, HOSSEIN, NOORI, MOHAMMAD, BARJESTEH, MOHAMMAD MEHDI, & MOHAMMAD KARIMI YAZDI, HOSSEIN. (2016). REMAINING CREEP LIFE ASSESSMENT OF GAS TURBINE BLADE MADE OF IN 792 ‎NICKEL-BASE SUPER ALLOY. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), 18(3), 6-18. SID. https://sid.ir/paper/83542/en

Vancouver: Copy

KARIMI ABOLFAZL, YARMOHAMMAD TOUSKI HOSSEIN, NOORI MOHAMMAD, BARJESTEH MOHAMMAD MEHDI, MOHAMMAD KARIMI YAZDI HOSSEIN. REMAINING CREEP LIFE ASSESSMENT OF GAS TURBINE BLADE MADE OF IN 792 ‎NICKEL-BASE SUPER ALLOY. JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH)[Internet]. 2016;18(3):6-18. Available from: https://sid.ir/paper/83542/en

IEEE: Copy

ABOLFAZL KARIMI, HOSSEIN YARMOHAMMAD TOUSKI, MOHAMMAD NOORI, MOHAMMAD MEHDI BARJESTEH, and HOSSEIN MOHAMMAD KARIMI YAZDI, “REMAINING CREEP LIFE ASSESSMENT OF GAS TURBINE BLADE MADE OF IN 792 ‎NICKEL-BASE SUPER ALLOY,” JOURNAL OF MECHANICAL ENGINEERING (ISME) (IRANIAN JOURNAL OF MECHANICAL ENGINEERING-ENGLISH), vol. 18, no. 3, pp. 6–18, 2016, [Online]. Available: https://sid.ir/paper/83542/en

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