Hot corrosion behaviour of Mo-62Si-5B (at. %) alloy in different molten salts at 900°C

Lan Wei; Wei Shao; Meifeng Li; Chungen Zhou

doi:10.1016/j.corsci.2019.108099

Hot corrosion behaviour of Mo-62Si-5B (at. %) alloy in different molten salts at 900°C

Lan Wei
, Wei Shao
, Meifeng Li
, Chungen Zhou^*

^*Corresponding author for this work

School of Materials Science and Engineering

Beihang University

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Hot corrosion behaviour of SPS-processed Mo-62Si-5B (at. %) alloy in pure Na₂SO₄ and mixture of Na₂SO₄ + NaCl melts at 900 °C was studied. The results show that the damage process of Mo-62Si-5B alloy is deteriorated in presence of Na₂SO₄ and Na₂SO₄ + NaCl. After hot corrosion at 900 °C for 100 h, the mass changes of the alloy in Na₂SO₄ and mixture of Na₂SO₄ + NaCl are −0.24 mg/cm² and −0.50 mg/cm², respectively. Oxides mainly contained SiO₂ and amorphous borosilicate. Hot corrosion mechanisms of the alloy in presence of Na₂SO₄ and mixture of Na₂SO₄ + NaCl deposits are discussed.

Original language	English
Article number	108099
Journal	Corrosion Science
Volume	158
DOIs	https://doi.org/10.1016/j.corsci.2019.108099
State	Published - Sep 2019

Keywords

A. Alloy
A. Intermetallics
C. Hot corrosion

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10.1016/j.corsci.2019.108099

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@article{117b8fa5795b4685b51ec5d6bafdda07,

title = "Hot corrosion behaviour of Mo-62Si-5B (at. \%) alloy in different molten salts at 900°C",

abstract = "Hot corrosion behaviour of SPS-processed Mo-62Si-5B (at. \%) alloy in pure Na2SO4 and mixture of Na2SO4 + NaCl melts at 900 °C was studied. The results show that the damage process of Mo-62Si-5B alloy is deteriorated in presence of Na2SO4 and Na2SO4 + NaCl. After hot corrosion at 900 °C for 100 h, the mass changes of the alloy in Na2SO4 and mixture of Na2SO4 + NaCl are −0.24 mg/cm2 and −0.50 mg/cm2, respectively. Oxides mainly contained SiO2 and amorphous borosilicate. Hot corrosion mechanisms of the alloy in presence of Na2SO4 and mixture of Na2SO4 + NaCl deposits are discussed.",

keywords = "A. Alloy, A. Intermetallics, C. Hot corrosion",

author = "Lan Wei and Wei Shao and Meifeng Li and Chungen Zhou",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

month = sep,

doi = "10.1016/j.corsci.2019.108099",

language = "英语",

volume = "158",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Hot corrosion behaviour of Mo-62Si-5B (at. %) alloy in different molten salts at 900°C

AU - Wei, Lan

AU - Shao, Wei

AU - Li, Meifeng

AU - Zhou, Chungen

PY - 2019/9

Y1 - 2019/9

N2 - Hot corrosion behaviour of SPS-processed Mo-62Si-5B (at. %) alloy in pure Na2SO4 and mixture of Na2SO4 + NaCl melts at 900 °C was studied. The results show that the damage process of Mo-62Si-5B alloy is deteriorated in presence of Na2SO4 and Na2SO4 + NaCl. After hot corrosion at 900 °C for 100 h, the mass changes of the alloy in Na2SO4 and mixture of Na2SO4 + NaCl are −0.24 mg/cm2 and −0.50 mg/cm2, respectively. Oxides mainly contained SiO2 and amorphous borosilicate. Hot corrosion mechanisms of the alloy in presence of Na2SO4 and mixture of Na2SO4 + NaCl deposits are discussed.

AB - Hot corrosion behaviour of SPS-processed Mo-62Si-5B (at. %) alloy in pure Na2SO4 and mixture of Na2SO4 + NaCl melts at 900 °C was studied. The results show that the damage process of Mo-62Si-5B alloy is deteriorated in presence of Na2SO4 and Na2SO4 + NaCl. After hot corrosion at 900 °C for 100 h, the mass changes of the alloy in Na2SO4 and mixture of Na2SO4 + NaCl are −0.24 mg/cm2 and −0.50 mg/cm2, respectively. Oxides mainly contained SiO2 and amorphous borosilicate. Hot corrosion mechanisms of the alloy in presence of Na2SO4 and mixture of Na2SO4 + NaCl deposits are discussed.

KW - A. Alloy

KW - A. Intermetallics

KW - C. Hot corrosion

UR - https://www.scopus.com/pages/publications/85069668438

U2 - 10.1016/j.corsci.2019.108099

DO - 10.1016/j.corsci.2019.108099

M3 - 文章

AN - SCOPUS:85069668438

SN - 0010-938X

VL - 158

JO - Corrosion Science

JF - Corrosion Science

M1 - 108099

ER -

Hot corrosion behaviour of Mo-62Si-5B (at. %) alloy in different molten salts at 900°C

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Keywords

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