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Structural changes ...
Structural changes in Ti1-xAlxN coatings during turning : A XANES and EXAFS study of worn tools
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- Rogström, Lina, 1983- (author)
- Linköping University,Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten
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- Moreno, Maiara, 1993- (author)
- Linköping University,Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,Seco Tools AB
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- Andersson, J. M. (author)
- Seco Tools AB, Fagersta, Sweden
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- Johansson-Jöesaar, M. P. (author)
- Seco Tools AB, Fagersta, Sweden
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- Odén, Magnus, 1965- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten
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- Klementiev, K. (author)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory
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- Näslund, Lars-Åke, 1968- (author)
- Linköping University,Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Magnuson, Martin, 1965- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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(creator_code:org_t)
- Elsevier, 2023
- 2023
- English.
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In: Applied Surface Science. - : Elsevier. - 0169-4332 .- 1873-5584. ; 612
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Abstract
Subject headings
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- Structural changes in Ti1-xAlxN coated tool inserts used for turning in 316L stainless steel were investigated by XANES, EXAFS, EDS, and STEM. For coarse-grained fcc-structured Ti1-xAlxN coatings, with 0 ≤ x ≤ 0.62, the XANES spectrum changes with Al-content. XANES Ti 1s line-scans across the rake face of the worn samples reveals that TiN-enriched domains have formed during turning in Ti0.47Al0.53N and Ti0.38Al0.62N samples as a result of spinodal decomposition. The XANES spectra reveal the locations on the tool in which the most TiN-rich domains have formed, indicating which part of the tool-chip contact area that experienced the highest temperature during turning. Changes in the pre-edge features in the XANES spectra reveal that structural changes occur also in the w-TiAlN phase in fine-grained Ti0.38Al0.62N during turning. EDS shows that Cr and Fe from the steel adhere to the tool rake face during machining. Cr 1s and Fe 1s XANES show that Cr is oxidized in the end of the contact length while the adhered Fe retains in the same fcc-structure as that of the 316L stainless steel.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- TiAlN
- XAS
- XANES
- Metal cutting
- Hard coatings
- Hard coatings
- Metal cutting
- TiAlN
- XANES
- XAS
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Rogström, Lina, ...
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Moreno, Maiara, ...
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Andersson, J. M.
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Johansson-Jöesaa ...
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Odén, Magnus, 19 ...
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Klementiev, K.
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Näslund, Lars-Åk ...
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Magnuson, Martin ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Manufacturing Su ...
- Articles in the publication
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Applied Surface ...
- By the university
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Linköping University
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Lund University