Microstructure and wear mechanisms of OCTG chasers

The wear mechanism and tool life of four types of oil country tubular goods chasers are studied herein via metallographic microscopy, scanning electron microscopy, and energy dispersive spectroscopy. Results show that when the tool has a fine and uniform microstructure, the main failure mode is wear...

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Bibliographic Details
Published inBaosteel Technical Research Vol. 17; no. 2; pp. 29 - 36
Main Authors Minghua, Wang, Shuwen, He
Format Journal Article
LanguageEnglish
Published Shanghai Baosteel Technical Research 01.06.2023
Research Institute,Baoshan Iron & Steel Co.,Ltd.,Shanghai 201999,China%Shanghai University,Shanghai 200072,China
Subjects
Abrasive wear
Adhesive wear
Failure modes
Flaking
Microscopy
Microstructure
Morphology
Oil field equipment
Protective coatings
Scanning electron microscopy
Spectrum analysis
Steel pipes
Stress concentration
Tool life
Tool wear
Tubular goods
Wear mechanisms
OCTG
chaser
microstructure
wear mechanism
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Summary:The wear mechanism and tool life of four types of oil country tubular goods chasers are studied herein via metallographic microscopy, scanning electron microscopy, and energy dispersive spectroscopy. Results show that when the tool has a fine and uniform microstructure, the main failure mode is wear failure. Furthermore, observed phenomena including large chip bonding, coating peeling, cracks demonstrate that the main wear mechanisms of the tool are adhesive wear ,abrasive wear ,coating flaking , and microchipping.
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ISSN:1674-3458
DOI:10.3969/j.issn.1674-3458.2023.02.004