Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Geraldo Bortoletto Junior"'
Publikováno v:
Floresta e Ambiente, Vol 26, Iss 2 (2019)
ABSTRACT In this work, bamboo chips (Dendrocalamus asper) were crushed according to four particle size classes (A = -35+40 mesh; B = -40+48 mesh; C = -48+60 mesh; D = -60+65 mesh) to produce particleboards with four different compositions (100%A; 75%
Externí odkaz:
https://doaj.org/article/30154783d1ee4c209728b53c48c0292d
Publikováno v:
Floresta e Ambiente, Vol 25, Iss 3 (2018)
ABSTRACT The aim of this research was to evaluate the effects of removing fines on the physical and mechanical properties of high-density particleboard produced by mechanical processing of Caryocar villosum (pequiá), Tachigali myrmecophyla (tachi-pr
Externí odkaz:
https://doaj.org/article/75a239bae2aa41be9ee763f50463dfcc
Publikováno v:
Floresta e Ambiente, Vol 11, Iss 1, Pp 14-24 (2023)
RESUMO O presente trabalho teve por objetivos avaliar a madeira de clones do híbridoEucalyptus grandis xEucalyptus urophylla para a produção de compensados e verificar os efeitos de três fatores desse processo tais como clone (I e II), gramatura
Externí odkaz:
https://doaj.org/article/7e556bb0ac8c42399e70b65466bc1713
Publikováno v:
Acta Amazonica, Vol 54, Iss 2 (2024)
ABSTRACT Brazil stands out as one of the largest manufacturers of MDF (medium density fiberboard) in the world. The industries are concentrated in the south and southeast of the country and are primarily based on the use of Pinus and Eucalyptus wood,
Externí odkaz:
https://doaj.org/article/0f0cfb0bbeb34fc78772a24d07d0537f
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 24 (2022)
This study aimed to evaluate the chemical composition of wood particles (control and treated), and the effects of thermal modification and adhesive levels on the wettability and biological resistance of particleboards made of sugarcane residue and ba
Externí odkaz:
https://doaj.org/article/7719ddfa0be44cca991acca2df2a852d
Autor:
Paula Gabriella Surdi, Geraldo Bortoletto Júnior, Vinicius Resende de Castro, Flávia Maria Silva Brito, Matheus da Silva Berger, José Cola Zanuncio
Publikováno v:
Revista Árvore, Vol 43, Iss 1 (2019)
ABSTRACT The lack of use of the residues generated by the mechanical processing of wood and their inadequate disposal are challenges for the timber industry. They have potential for products with higher value. The purpose of this research was to eval
Externí odkaz:
https://doaj.org/article/b463655bb68d4c45884d463aeb95e5fa
Publikováno v:
Ciência Florestal, Vol 10, Iss 2, Pp 75-90 (2009)
MDF Panelboards of Pinus spp. fibers were prepared in laboratorial scale, within a range of densities (600 - 800 kg/m3) and urea-formaldehyde resin content (6, 8, 10, 12 and 14 wt. %), with the purpose of evaluating their mechanical and physical prop
Externí odkaz:
https://doaj.org/article/e8c9ab5e9e98459ca2e04503d4c27e37
Publikováno v:
Revista Árvore, Vol 28, Iss 4, Pp 563-570 (2004)
Em uma indústria de móveis estofados, localizada em Piracicaba, SP, foram coletados aleatoriamente corpos-de-prova de painéis compensados e OSB para determinação das propriedades de resistência (MOR) e rigidez (MOE) à flexão estática, com as
Externí odkaz:
https://doaj.org/article/a2e487b776754a13b2117ee1b55bbc20
Autor:
Rafael Farinassi Mendes, Geraldo Bortoletto Júnior, Natalie Ferreira de Almeida, Paula Gabriella Surdi, Isabela Najm Barbeiro
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 15, Iss 2 (2014)
The main objective of this study was to compare the effect of thermal pre-treatment in particles of strand type with the effect of variables of production on physical-mechanical properties of OSB panels, aiming to improve their dimensional stability.
Externí odkaz:
https://doaj.org/article/d9f7f3d640bb48cf8202b2e8b077d5e0
Publikováno v:
Ciência Florestal, Vol 10, Pp 75-90 (2000)
Painéis MDF foram preparados, em escala laboratorial, com base em fibras de Pinus spp. com diferentes teores de resina (6, 8, 10, 12 e 14%) e massas específicas (600 a 800 kg/m3) com o objetivo de avaliar suas propriedades físicas e mecânicas. Os
Externí odkaz:
https://doaj.org/article/291ad5fa43dd4d09b2b952ab0e360cdf