EFFECT OF ARTIFICIALLY PRODUCED PIT-LIKE DEFECTS ON THE STRENGTH OF AISI 410 STAINLESS STEEL COMPRESSOR BLADES

Authors

  • M. A. Khattak Department of Applied Mechanics and Design, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mazmir Mat Noh Department of Applied Mechanics and Design, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • M. N. Tamin Department of Applied Mechanics and Design, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Nida Iqbal Medical Devices & Technology Group (MEDITEG), Faculty of Biosciences and Medical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Amir Husni Muhd Syariff Medical Devices & Technology Group (MEDITEG), Faculty of Biosciences and Medical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • S. Kazi Faculty of Engineering, Islamic University of Madinah, Prince Naif Ibn Abdulaziz, Al Jamiah 42351, Medinah, Saudi Arabia
  • Mohd Hafiz Abdul Ghaffar Materials Engineering Group, TNB Research Sdn Bhd, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia

DOI:

https://doi.org/10.11113/jt.v78.9208

Keywords:

Stainless steel, compressor blades, pitting, strength

Abstract

In the present paper, the effect of artificially produced pit-like defects on the strength of members made of AISI 410 martensitic stainless steel were investigated. Compressor blades in power generation industries made of AISI 410 stainless steel commonly suffer from pitting corrosion. Well-defined pit-like defects were artificially produced on various specimen and strength tests were conducted. AISI 410 stainless steel microstructure shows a typical body-centered tetragonal (bct) structure. Strength tests analysis established yield strength of 547 MPa for Case 1 (max depth-max diameter) whereas a yield strength of 585 MPa for Case 2 (min depth-min diameter). In addition, strength and elongation of the artificially produced pitted tensile specimen gradually decrease with the increase of the area lost due to artificially produced pits.  

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Published

2016-06-23

Issue

Vol. 78 No. 6-11: Innovations in Science and Technology I

Section

Science and Engineering

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Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.

How to Cite

EFFECT OF ARTIFICIALLY PRODUCED PIT-LIKE DEFECTS ON THE STRENGTH OF AISI 410 STAINLESS STEEL COMPRESSOR BLADES. (2016). Jurnal Teknologi, 78(6-11). https://doi.org/10.11113/jt.v78.9208