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Pregled bibliografske jedinice broj: 126217

Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood


Turkulin, Hrvoje; Sell, Juergen
Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood // Holz als Roh-und Werkstoff, 60 (2002), 2; 96-105 (međunarodna recenzija, članak, znanstveni)


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Naslov
Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood

Autori
Turkulin, Hrvoje ; Sell, Juergen

Izvornik
Holz als Roh-und Werkstoff (0018-3768) 60 (2002), 2; 96-105

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
photodegradation of wood; microtensile testing; weathering; SEM microscopical analysis

Sažetak
This paper describes an investigation into the relationship between the changes in tensile properties and structural integrity of wood during weathering. Investigated species were Scots pine, (heartwood and sapwood, and separately earlywood and latewood), and Norway spruce. The photodegradation was monitored through the changes in microtensile strength of wood during natural and artificial UV- weathering („ thin strip“ method), and by subsequent FE SEM microscopical analysis of transverse-fracture surfaces of the strips. The tensile strength changes during exposure (initial increase and two following phases of decrease) were analysed and were shown to be consistent with fractographic evidence of the structural changes in wood. These include the breakdown of compound middle lamella, the thinning of cell walls and the development of brittleness of cell walls. The mechanism of failure is essentially different in earlywood and latewood, and the microtensile strength is predominantly determined by the latewood portions within growth rings.

Izvorni jezik
Engleski

Znanstvena područja
Šumarstvo



POVEZANOST RADA


Projekti:
0068133

Ustanove:
Šumarski fakultet, Zagreb

Profili:

Avatar Url Hrvoje Turkulin (autor)

Citiraj ovu publikaciju

Turkulin, Hrvoje; Sell, Juergen
Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood // Holz als Roh-und Werkstoff, 60 (2002), 2; 96-105 (međunarodna recenzija, članak, znanstveni)
Turkulin, H. & Sell, J. (2002) Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood. Holz als Roh-und Werkstoff, 60 (2), 96-105.
@article{article, year = {2002}, pages = {96-105}, keywords = {photodegradation of wood, microtensile testing, weathering, SEM microscopical analysis}, journal = {Holz als Roh-und Werkstoff}, volume = {60}, number = {2}, issn = {0018-3768}, title = {Investigations into the photodegradation of wood using microtensile testing. Part 4. Tensile properties and fractography of weathered wood}, keyword = {photodegradation of wood, microtensile testing, weathering, SEM microscopical analysis} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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