Micromechanical investigation ofphase separation in bitumen bycombining atomic force microscopywith differential scanning calorimetryresults

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Fältnamn	Indikatorer	Metadata
000		03431naa a2200481 4500
001		oai:DiVA.org:kth-123701
003		SwePub
008		130614s2013 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
009		oai:DiVA.org:ri-6587
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1237012 URI
024	7	a https://doi.org/10.1080/14680629.2013.7747442 DOI
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-65872 URI
040		a (SwePub)kthd (SwePub)ri
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Das, Prabir Kumaru KTH,Väg- och banteknik,KTH Royal Institute of Technology, Sweden4 aut0 (Swepub:kth)u1a0vtge
245	1 0	a Micromechanical investigation ofphase separation in bitumen bycombining atomic force microscopywith differential scanning calorimetryresults
264	1	b Taylor & Francis,c 2013
338		a print2 rdacarrier
500		a QC 20130625
520		a The thermo-rheological behaviour of bitumen depends largely on its chemical structure and intermolecular microstructures. Bitumen is a complex mixture of organic molecules of different sizes and polarities for which the micro-structural knowledge is still rather incomplete. Knowledge at that level can have great implications for behaviour at a larger scale and will help to optimise the bitumen in its production stage. The present study is focused on understanding the fundamental mechanisms behind the micro-structural phase appearance and the speed or mobility at which they change. To do so, atomic force microscopy was utilised at different temperatures to investigate the phase separation behaviour for four different types of bitumen and co-relate it with the differential scanning calorimetry measurements. Based on the experimental evidences, it was found that the observed phase separation is mainly due to the wax/paraffin fraction presence in bitumen and that the investigated bitumen behaves quite differently. Recommendations are made to continue this research into qualitative information to be used on the asphalt mix design level.
650	7	a TEKNIK OCH TEKNOLOGIERx Samhällsbyggnadsteknikx Infrastrukturteknik0 (SwePub)201042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Civil Engineeringx Infrastructure Engineering0 (SwePub)201042 hsv//eng
653		a atomic force microscopy
653		a microstructure
653		a phase separation
653		a bitumen
653		a wax
653		a SRA - Transport
653		a SRA - Transport
653		a Järnvägsgruppen - Infrastruktur
653		a Järnvägsgruppen - Infrastruktur
700	1	a Kringos, Nicoleu KTH,Väg- och banteknik4 aut0 (Swepub:kth)u1vwo6eu
700	1	a Wallqvist, Vivecau RISE,Material och ytteknik4 aut0 (Swepub:ri)VivecaWa@ri.se
700	1	a Birgisson, Björnu KTH,Väg- och banteknik,KTH Royal Institute of Technology, Sweden4 aut0 (Swepub:kth)u1orr3zn
700	1	a Kringos, Nikiu KTH Royal Institute of Technology, Sweden4 aut
710	2	a KTHb Väg- och banteknik4 org
773	0	t International Journal on Road Materials and Pavement Designd : Taylor & Francisg 14:S1, s. 25-37q 14:S1<25-37x 1468-0629x 2164-7402
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123701
856	4 8	u https://doi.org/10.1080/14680629.2013.774744
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-6587

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International Journal on Road Materials and Pavement Design (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Das, Prabir Kuma ...; Kringos, Nicole; Wallqvist, Vivec ...; Birgisson, Björn; Kringos, Niki

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Samhällsbyggnads ...; och Infrastrukturtek ...

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Av lärosätet: Kungliga Tekniska Högskolan; RISE

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