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Investigation of th...
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Alam, Mohammad AnzarMittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Optical on-line measurements in industry
(författare)
Investigation of the surface topographical differences between the Cross Direction and the Machine Direction for newspaper and paperboard
- Artikel/kapitelEngelska2011
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2011
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:miun-15060
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https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-15060URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Paper and paperboard surface quality is constantly being improved by the industry. This improvement work deals with the essential fact that the surface topography must be measured, both in relation to offline and online measurements for the manufactured products. Most measurements relating to surface topography (especially online) are performed either in the machine direction (MD) or in the cross direction (CD). It has been the opinion of SCA Ortviken AB and Iggesund Paperboard AB that the surface topography amplitudes are almost always higher in the CD than in the MD, for their products which consist of newspaper and paperboard. This article aims to investigate the rela-tionship between the CD and the MD surface topography amplitudes for a wide range of spatial wavelength for both newspaper and paperboard. The tests and investiga-tions have been conducted using an FRT Microprof profilometer within the range 20 μm up to 8 mm, and the results confirm that the surface topography amplitudes are higher in the CD for most of the shorter spatial wavelength within this range. The results also show significant differences between measurements for different paper qualities, suggesting a requirement to investigate the relationship between the CD and the MD topography for all paper and paperboard qualities of interest for a paper or paperboard mill, before a decision is made in relation to a measurement method.
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Thim, JanMittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Optical on-line measurements in industry(Swepub:miun)janlun
(författare)
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Manuilskiy, AnatoliyMittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Optical on-line measurements in industry(Swepub:miun)anaman
(författare)
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O'Nils, MattiasMittuniversitetet,Institutionen för informationsteknologi och medier (-2013),Optical on-line measurements in industry(Swepub:miun)matoni
(författare)
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Westerlind, ChristinaSCA R&D Centre, Sundsvall, Sweden,Optical on-line measurements in industry
(författare)
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Lindgren, JohanIggesund Paperboard AB, Iggesund, Sweden,Optical on-line measurements in industry
(författare)
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Lidén, JoarSCA Ortviken AB, Sundsvall, Sweden,Optical on-line measurements in industry
(författare)
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MittuniversitetetInstitutionen för informationsteknologi och medier (-2013)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Nordic Pulp & Paper Research Journal26:4, s. 468-4750283-26312000-0669
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