Volume 11, Issue 42 (1-2022)
مهندسی خوردگی 2022, 11(42): 17-28 |
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Investigation the Effect of Segregating
Elements and Microstructure on
Intergranular Corrosion of Heat
Resistant Stainless Steel Grate Plates
Applied in Travelling Chain Grate
Used in Pelletizing kiln. مهندسی خوردگی 2022; 11 (42) :17-28
URL: http://journal.ica.ir/article-1-167-en.html
URL: http://journal.ica.ir/article-1-167-en.html
Abstract: (235 Views)
The grate plates are one of the pertaining components of the grate machine in the iron ore pellet industry, which
is made up of heat-resistant stainless steel. The work life of these grate plates affects the production rate and
quality of the pellets. The purpose of this study was to investigate the cause of this steel sensitization and the
effect of elements on its lifetime. To do this, the lattice plates used in Zarand steel pellet factory were used to
build these steel plates which are 1.4837 DIN steel. Samples were examined by electron microscopy, X-ray
diffraction test and polarization test. The results indicated that there is no depletion chromium in this steel, but
the steel carbide's crack cause the sensitivity of steel to intergranular corrosion.
is made up of heat-resistant stainless steel. The work life of these grate plates affects the production rate and
quality of the pellets. The purpose of this study was to investigate the cause of this steel sensitization and the
effect of elements on its lifetime. To do this, the lattice plates used in Zarand steel pellet factory were used to
build these steel plates which are 1.4837 DIN steel. Samples were examined by electron microscopy, X-ray
diffraction test and polarization test. The results indicated that there is no depletion chromium in this steel, but
the steel carbide's crack cause the sensitivity of steel to intergranular corrosion.
Type of Study: Research |
Subject:
General
Received: 2023/01/28 | Accepted: 2023/01/30 | Published: 2023/01/30
Received: 2023/01/28 | Accepted: 2023/01/30 | Published: 2023/01/30
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