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Strain and phase ev...
Strain and phase evolution in TiAlN coatings during high-speed metal cutting : An in operando high-energy x-ray diffraction study
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- Moreno, Maiara, 1993- (author)
- Lund University,Lunds universitet,Linköping University,Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,Seco Tools AB,Industriell Produktion,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Production and Materials Engineering,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Andersson, Jon Martin, 1976- (author)
- Seco Tools AB, Fagersta, Sweden
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- Eriksson, Jens, 1979- (author)
- Seco Tools AB, Fagersta, Sweden
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- Alm, Per (author)
- Seco Tools AB, Fagersta, Sweden
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- Hedström, K. (author)
- Seco Tools AB, Fagersta, Sweden
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- M'Saoubi, Rachid (author)
- Seco Tools AB, Fagersta; Production and Materials Engineering, Department of Mechanical Engineering Sciences, Lund University, Lund, Sweden
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- Schramm, Isabella Citlalli (author)
- Sandvik Coromant, Stockholm, Sweden,Sandvik Coromant AB
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- Schell, Norbert (author)
- Institute of Materials Physics, Helmholtz-Zentrum Hereon, Germany,Helmholtz-Zentrum Geesthacht
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- Johansson-Jöesaar, Mats P., 1965- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten,Seco Tools AB, Fagersta, Sweden
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- Odén, Magnus, 1965- (author)
- Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten
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- Rogström, Lina, 1983- (author)
- Linköping University,Linköpings universitet,Nanostrukturerade material,Tekniska fakulteten
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(creator_code:org_t)
- Elsevier, 2024
- 2024
- English.
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In: Acta Materialia. - : Elsevier. - 1359-6454 .- 1873-2453. ; 263
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Abstract
Subject headings
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- We report on phase and strain changes in Ti1-xAlxN (0 ≤ x ≤ 0.61) coatings on cutting tools during turning recorded in operando by high-energy x-ray diffractometry. Orthogonal cutting of AISI 4140 steel was performed with cutting speeds of 360–370 m/min. Four positions along the tool rake face were investigated as a function of time in cut. Formation of γ-Fe in the chip reveals that the temperature exceeds 727 °C between the tool edge and the middle of the contact area when the feed rate is 0.06 mm/rev. Spinodal decomposition and formation of wurtzite AlN occurs at the positions of the tool with the highest temperature for the x ≥ 0.48 coatings. The strain evolution in the chip reveals that the mechanical stress is largest closest to the tool edge and that it decreases with time in cut for all analyzed positions on the rake face. The strain evolution in the coating varies between coatings and position on the rake face of the tool and is affected by thermal stress as well as the applied mechanical stress. Amongst others, the strain evolution is influenced by defect annihilation and, for the coatings with highest Al-content (x ≥ 0.48), phase changes.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Keyword
- X-ray diffraction
- Coatings
- Synchrotron diffraction
- Wear mechanisms
- Coatings
- In situ
- Synchrotron diffraction
- Wear mechanisms
- X-ray diffraction
Publication and Content Type
- ref (subject category)
- art (subject category)
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Moreno, Maiara, ...
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Andersson, Jon M ...
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Eriksson, Jens, ...
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Alm, Per
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Hedström, K.
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M'Saoubi, Rachid
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Schramm, Isabell ...
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Schell, Norbert
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Johansson-Jöesaa ...
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Odén, Magnus, 19 ...
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Rogström, Lina, ...
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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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and Manufacturing Su ...
- Articles in the publication
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Acta Materialia
- By the university
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Linköping University
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Lund University