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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04311naa a2200373 4500 | |
| 001 | oai:lup.lub.lu.se:9b07e0e7-53ca-4137-b6da-070e9cf025e3 | |
| 003 | SwePub | |
| 008 | 200710s2020 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://lup.lub.lu.se/record/9b07e0e7-53ca-4137-b6da-070e9cf025e32 URI |
| 024 | 7 | a https://doi.org/10.1007/s00107-020-01548-32 DOI |
| 040 | a (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Forsman, Karinu Lund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)ka3014fo |
| 245 | 1 0 | a Fracture characteristics of acetylated young Scots pine |
| 264 | c 2020-06-19 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2020 |
| 300 | a 11 s. | |
| 520 | a A study on the fracture characteristics of unmodified and chemically modified Scots pine (Pinus sylvestris) is presented. The investigated material consisted of small-dimension sawn timber originating from young logs (thinnings), aged 30–40 years. The modified samples were acetylated with acetic anhydride in an industrial scale process without the use of any catalyst, reaching an acetyl content of approximately 20%. Clear wood specimens, consisting of either heartwood or sapwood, were extracted and conditioned to equilibrium at a relative humidity of 60% and a temperature of 20 °C. The fracture energy for mode I loading in tension perpendicular to the grain was determined using single edge notched beam (SENB) specimens, subjected to three-point bending. Additionally, the modulus of elasticity along the grain and the tensile strength perpendicular to the grain were determined for sapwood specimens. The findings demonstrated a significant decrease (between 36 and 50%) in the fracture energy for the acetylated specimens, compared to the unmodified specimens. No significant effect of the acetylation process on the modulus of elasticity, nor on the tensile strength could be concluded. This study indicates that the acetylation process used results in an increased brittleness for Scots pine. Further studies are needed to analyse why the fracture energy is impaired, and to examine whether and how current timber engineering design provisions can or should be revised to account for the increased brittleness of acetylated Scots pine. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Materialteknik0 (SwePub)2052 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Materials Engineering0 (SwePub)2052 hsv//eng |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Teknisk mekanik0 (SwePub)203012 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Applied Mechanics0 (SwePub)203012 hsv//eng |
| 700 | 1 | a Serrano, Eriku Lund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)bygg-ese |
| 700 | 1 | a Danielsson, Henriku Lund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)bygg-hdo |
| 700 | 1 | a Engqvist, Jonasu Lund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)soli-jen |
| 710 | 2 | a Byggnadsmekanikb Institutionen för byggvetenskaper4 org |
| 773 | 0 | t European Journal of Wood and Wood Productsd : Springer Science and Business Media LLCg 78:4, s. 693-703q 78:4<693-703x 0018-3768x 1436-736X |
| 856 | 4 | u http://dx.doi.org/10.1007/s00107-020-01548-3x freey FULLTEXT |
| 856 | 4 | u https://link.springer.com/content/pdf/10.1007/s00107-020-01548-3.pdf |
| 856 | 4 8 | u https://lup.lub.lu.se/record/9b07e0e7-53ca-4137-b6da-070e9cf025e3 |
| 856 | 4 8 | u https://doi.org/10.1007/s00107-020-01548-3 |
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