Methodology development for investigation of slurry abrasion corrosion by integrating an electrochemical cell to a miller tester

Sheng-Hui Wang, Jiaren Jiang, Margaret M. Stack

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Material losses in slurry handling systems constitute a significant fraction of cost in oil sands, mining, and mineral processing operations. It is thus important to better understand wear attack mechanisms and major factors affecting wear in such applications. In this work, a methodology and a testing system have been developed to study the abrasion–corrosion synergism during slurry abrasion based on a Miller test machine by incorporating a three-electrode electrochemical cell. The proposed methodology has then been validated experimentally using QT 100 steel. It has been shown that cathodic protection using such system setup is effective in suppressing the corrosion effect on the total material loss. In general, corrosion-induced enhancement on slurry abrasion loss rate increases with slurry corrosivity but inversely with sliding speed.
LanguageEnglish
Pages1-9
Number of pages9
JournalJournal of Bio- and Tribo-Corrosion
Volume1
Issue number2
Early online date13 Feb 2015
DOIs
Publication statusPublished - Jun 2015

Fingerprint

Electrochemical cells
Abrasion
Corrosion
Wear of materials
Oil sands
Ore treatment
Cathodic protection
Steel
Electrodes
Testing
Costs

Keywords

  • slurry abrasion
  • abrasion–corrosion
  • tribo-corrosion
  • miller tester

Cite this

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abstract = "Material losses in slurry handling systems constitute a significant fraction of cost in oil sands, mining, and mineral processing operations. It is thus important to better understand wear attack mechanisms and major factors affecting wear in such applications. In this work, a methodology and a testing system have been developed to study the abrasion–corrosion synergism during slurry abrasion based on a Miller test machine by incorporating a three-electrode electrochemical cell. The proposed methodology has then been validated experimentally using QT 100 steel. It has been shown that cathodic protection using such system setup is effective in suppressing the corrosion effect on the total material loss. In general, corrosion-induced enhancement on slurry abrasion loss rate increases with slurry corrosivity but inversely with sliding speed.",
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Methodology development for investigation of slurry abrasion corrosion by integrating an electrochemical cell to a miller tester. / Wang, Sheng-Hui; Jiang, Jiaren; Stack, Margaret M.

In: Journal of Bio- and Tribo-Corrosion, Vol. 1, No. 2, 06.2015, p. 1-9.

Research output: Contribution to journalArticle

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AU - Jiang, Jiaren

AU - Stack, Margaret M.

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AB - Material losses in slurry handling systems constitute a significant fraction of cost in oil sands, mining, and mineral processing operations. It is thus important to better understand wear attack mechanisms and major factors affecting wear in such applications. In this work, a methodology and a testing system have been developed to study the abrasion–corrosion synergism during slurry abrasion based on a Miller test machine by incorporating a three-electrode electrochemical cell. The proposed methodology has then been validated experimentally using QT 100 steel. It has been shown that cathodic protection using such system setup is effective in suppressing the corrosion effect on the total material loss. In general, corrosion-induced enhancement on slurry abrasion loss rate increases with slurry corrosivity but inversely with sliding speed.

KW - slurry abrasion

KW - abrasion–corrosion

KW - tribo-corrosion

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