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Provedor de dados:  Ciência Rural
País:  Brazil
Título:  Moisture content on the mechanical behavior of crambe grains
Autores:  Resende,Osvaldo
Ferreira,Rafael Batista
Ullmann,Renan
Oliveira,Daniel Emanuel Cabral de
Corrêa,Paulo Cesar
Costa,Lílian Moreira
Data:  2018-01-01
Ano:  2018
Palavras-chave:  Proportional deformity modulus
Compressibility
Mechanical properties
Resumo:  ABSTRACT: This study aimed to verify the influence of moisture content on the values of maximum compressive strength, proportional deformity modulus, elastic coefficients d, e, and f beyond the tangent values, and maximum grain drying of crambe (Crambe abyssinica Hochst) under compression in natural resting position. Crambe grains with moisture contents ranging from 0.1547 to 0.0482 decimal db were dried at 40°C and uniaxially compressed between two parallel plates in the natural rest position. The gravimetric method was used to monitor reduction in moisture content during drying (weight loss). It was concluded that the compression force required to deform the crambe grains decreases as the moisture content increases. The proportional deformity modulus increases as the deformation decreases, yielding values between (0.09-0.27)×102MPa. Sigmoidal model described by Taylor series adequately represents the compression resistance of crambe grains in the natural rest position with moisture content lower than 0.0813db.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000700202
Editor:  Universidade Federal de Santa Maria
Relação:  10.1590/0103-8478cr20160748
Formato:  text/html
Fonte:  Ciência Rural v.48 n.7 2018
Direitos:  info:eu-repo/semantics/openAccess
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