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Adhesion phenomena ...
Adhesion phenomena in the secondary shear zone in turning of austenitic stainless steel and carbon steel
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- Gerth, Julia (författare)
- Uppsala universitet,Tillämpad materialvetenskap,Tribomaterials group
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- Gustavsson, Fredrik (författare)
- Uppsala universitet,Tillämpad materialvetenskap,Tribomaterial
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- Collin, Marianne (författare)
- Sandvik Machining Solutions, Stockholm
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- Gunilla, Andersson (författare)
- Sandvik Machining Solutions, Stockholm
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- Lars-Göran, Nordh (författare)
- Uddeholms AB, Hagfors
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- Heinrichs, Jannica (författare)
- Uppsala universitet,Tillämpad materialvetenskap,Tribomaterial
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- Wiklund, Urban (författare)
- Uppsala universitet,Tillämpad materialvetenskap,Tribomaterial
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- Engelska.
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Ingår i: Journal of Materials Processing Technology. - : Elsevier BV. - 0924-0136 .- 1873-4774. ; 214:8, s. 1467-1481
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper aims to increase the understanding of the adhesion between chip and tool rake face by studying the initial material transfer to the tool during orthogonal machining at 150 m/min. Two types of work material were tested, an austenitic stainless steel, 316L, and a carbon steel, UHB 11. The tools used were cemented carbide inserts coated with hard ceramic coatings. Two different CVD coatings, TiN and Al2O3, produced with two different surface roughnesses, polished and rough, were tested. The influences of both tool surface topography and chemistry on the adhesion phenomena in the secondary shear zone were thus evaluated. Extensive surface analyses of the inserts after cutting were made using techniques such as Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), X-ray Photoelectron Spectroscopy (XPS), and Transmission Electron Microscopy (TEM). As expected, cutting in the stainless steel resulted in a higher amount of adhered material, compared to cutting in the carbon steel. Remnants of built-up layers were found on the surfaces of the 316L chips but not on the UHB 11 chips. Moreover, it was shown that for both materials the tool roughness had a profound effect, with the rougher surfaces comprising much higher amounts of adhered material than the polished ones. Non-metallic inclusions from both types of workpiece steels accumulate in the high temperature area on the inserts. The general tendency was that higher amounts of transferred material were found on the TiN coating than on the Al2O3 coating after cutting.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- adhesion
- austenitic stainless steel
- carbon steel
- surface roughness
- cutting tools
- Teknisk fysik med inriktning mot tribomaterial
- Engineering Science with specialization in Tribo Materials
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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