Search Results - "Navi, Parviz"

Thermo-hydro and thermo-hydro-mechanical wood processing: An opportunity for future environmentally friendly wood products by Sandberg, Dick, Haller, Peer, Navi, Parviz

“…This state-of-the-art report presents the basic concepts of some of the thermo-hydro (TH) and thermo-hydro-mechanical (THM) wood processes that are in use…”
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Influence of combined hygro-thermo-mechanical treatment on technical characteristics of poplar wood by Hajihassani, Reza, Mohebby, Behbood, Najafi, Saeed Kazemi, Navi, Parviz

“…Combined hygro-thermo-mechanical technique was adopted and used for densification of poplar wood instead of sole treatment. This technique is combination of…”
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Three-dimensional characterization of the pore structure of a simulated cement paste by Navi, Parviz, Pignat, Christian

“…Characterization of the pore structure of cement paste is of fundamental importance for understanding the mechanical and transport properties of cementitious…”
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Microfibril angle non-uniformities within normal and compression wood tracheids by Sedighi-Gilani, M, Sunderland, H, Navi, P

“…The pattern and extent of variation of microfibril angle (MFA) in normal and compression tracheids of softwood were investigated by using confocal laser…”
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Structural modifications of Tilia cordata wood during heat treatment investigated by FT-IR and 2D IR correlation spectroscopy by Popescu, Maria-Cristina, Froidevaux, Julien, Navi, Parviz, Popescu, Carmen-Mihaela

“…► Evaluation of structural behaviour of Tilia wood heat treatment with low temperature and humidity. ► Chemical modifications were investigated by FT-IR, PCA…”
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Simulation of cement hydration and the connectivity of the capillary pore space by Navi, Parviz, Pignat, Christian

“…A lot of work has been carried out previously on modeling the microstructure of cement paste. These models can be classified in three categories: overall…”
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Structural changes of wood during hydro-thermal and thermal treatments evaluated through NIR spectroscopy and principal component analysis by Popescu, Carmen-Mihaela, Navi, Parviz, Placencia Peña, María Inés, Popescu, Maria-Cristina

“…Spruce wood samples were subjected to different conditions of thermal and hydro-thermal treatment by varying the temperature, relative humidity and period of…”
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Aging law of spruce wood by Froidevaux, Julien, Navi, Parviz

“…Accelerated aging of spruce wood samples have been carried out by thermo-hydro (TH) treatments. These treatments were applied to accelerate the chemical…”
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Experimental study of the mechanosorptive behaviour of softwood in relaxation by Saifouni, Omar, Destrebecq, Jean-François, Froidevaux, Julien, Navi, Parviz

“…In softwood material, the coupling between mechanical loading and hydric state is known as the mechanosorptive effect. However, the coupling with viscoelastic…”
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Experimental observations and micromechanical modeling of successive-damaging phenomenon in wood cells' tensile behavior by Sedighi-Gilani, Marjan, Navi, Parviz

“…Single wood cells have complex tensile behavior. To gain insight into this complex functionality, the behavior of single wood tracheids was studied under…”
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Influence of combined hygro-thermo-mechanical treatment on technical characteristics of poplar wood by Hajihassani, Reza, Mohebby, Behbood, Najafi, Saeed Kazemi, Navi, Parviz

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Mixed mode fracture behavior of welded wood joints investigated with the Arcan test by Rhême, Martin, Botsis, John, Cugnoni, Joël, Navi, Parviz

“…Friction welding of wood is an assembly method that is still under investigation and development. A possible application for welded wood joints is the…”
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Evaluation of the thermal stability and set recovery of thermo-hydro-mechanically treated lime (Tilia cordata) wood by Popescu, Maria-Cristina, Lisa, Gabriela, Froidevaux, Julien, Navi, Parviz, Popescu, Carmen-Mihaela

“…The effect of the thermo-hydro-mechanical (THM) densification in a closed system on the set recovery and thermal stability of lime (Tilia cordata) wood was…”
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Micromechanical approach to wood fracture by three-dimensional mixed lattice-continuum model at fiber level by Sedighi-Gilani, Marjan, Navi, Parviz

“…To investigate the fracture behavior of wood, the porosity and heterogeneities of its microstructure should be taken into account. Considering these features…”
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Evaluation of Physical and Mechanical Properties of Hygro-thermal Modified Wood by Reza Hajihassani, Behbood Mohebi, Saeid Kazemi Najafi, Parviz Navi

“…Abstract The present research work has investigated the physical and mechanical properties of hygro-thermally modified poplar (Populus deltoides) wood. The…”
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Viscoelastic behaviour of aged and non-aged spruce wood in the radial direction by Froidevaux, Julien, Volkmer, Thomas, Ganne-Chédeville, Christelle, Gril, Joseph, Navi, Parviz

“…The mechanical behaviour of non-aged (modern) and aged spruce [Picea abies (L.) Karst.] wood was investigated in the radial direction using a microtensile…”
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Transient moisture effects on wood creep by NAVI, P, PITTET, V, PLUMMER, C. J. G

“…To gain insight into the physical nature of the coupling between mechanical stress and humidity variations, the behaviour of thin wood strips was studied using…”
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Microfibril angle non-unifies within normal and compression wood tracheids by SEDIGHI-GILANI, Marjan, SUNDERLAND, Homeira, NAVI, Parviz

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Three-dimensional modelling of wood fracture in mode I, perpendicular to the grain direction at fibre level by Sedighi-Gilani, Marjan, Job, Luc, Navi, Parviz

“…A coupled experimental and numerical modelling approach was used to investigate the mechanism of softwood fracture at the fibre level. First, a…”
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Effects of cement size distribution on capillary pore structure of the simulated cement paste by Navi, Parviz, Pignat, Christian

“…The evolution of tricalcium silicate (C 3S) microstructure during hydration is tri-dimensionally simulated based on an “Integrated Particle Kinetics Model”…”
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