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Nucleation And Grow...
Nucleation And Growth Of Cvd α-Al2O3 On TiXOY Template
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- Fallqvist, Mikael (author)
- Högskolan Dalarna,Materialteknik,Tribologi
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- Ruppi, S. (author)
- Seco Tools
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- Olsson, Mikael (author)
- Högskolan Dalarna,Materialteknik,Tribologi
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- Ottosson, Mikael, 1962- (author)
- Uppsala universitet,Oorganisk kemi,Uppsala Universitet,Materialkemi
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- Grehk, Mikael (author)
- Högskolan Dalarna,Materialteknik,Sandvik Materials Technology
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(creator_code:org_t)
- Elsevier, 2012
- 2012
- English.
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In: Surface & Coatings Technology. - : Elsevier. - 0257-8972 .- 1879-3347. ; 207, s. 254-261
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The microstructure, phase and chemical composition of TixOy templates used to nucleate α-Al2O3 on Ti(C,N) coated cemented carbide have been elucidated using scanning electron microscopy, X-ray diffraction, Auger electron spectroscopy and Time-of-Flight Secondary Ion Mass Spectrometry. Further, the adhesive strength of the α-Al2O3–TixOy–Ti(C,N) interfaces was investigated using scratch adhesion testing.The present study confirmed that the as-deposited template consisted of a Ti4O7 phase which during subsequent deposition of the Al2O3 layer transformed to a Ti3O5 phase and that the grown Al2O3 layer consisted of 100% α-Al2O3. Furthermore, the results showed that the lowest interfacial strength within the multilayer structure was exhibited by the Ti(C,N)–TixOy interface and that the transformation of Ti4O7 to Ti3O5 in the template resulted in formation of pores in the Ti(C,N)-template interface lowering the interfacial strength even more. The use of surface analysis techniques such as Auger electron spectroscopy and especially Time-of-Flight Secondary Ion Mass Spectrometry enabled trace element analyses using depth profiling to characterise the thin interfacial layers in detail.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (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
- CVD
- alpha-Al2O3
- Nucleation
- Template
- Adhesion
- Chemistry with specialization in Inorganic Chemistry
- Kemi med inriktning mot oorganisk kemi
- Steel Forming and Surface Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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