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Moisture content on the mechanical behavior of crambe grains Ciência Rural
Resende,Osvaldo; Ferreira,Rafael Batista; Ullmann,Renan; Oliveira,Daniel Emanuel Cabral de; Corrêa,Paulo Cesar; Costa,Lílian Moreira.
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...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Proportional deformity modulus; Compressibility; Mechanical properties.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000700202
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Mechanical properties of bean grains (BRSMG Majestic) coated with carnauba wax Ciência Rural
Corrêa,Paulo Cesar; Paixão,Aline Almeida da; Baptestini,Fernanda Machado; Vanegas,Jaime Daniel Bustos; Zeymer,Juliana Soares.
ABSTRACT: The objective of this research was to determine the mechanical properties of beans (BRSMG Majestuoso) coated with carnauba wax solution. Grains with 0.1481 (d.b.) moisture content was used. Treatments 0, 1 and 2 were respectively defined as the control sample, application of the wax diluted 1/1 (carnauba wax solution/water) and application of carnauba wax without dilution. Uniaxial compression tests were performed in the universal test apparatus, TA HD Texture Analyzer with 500 N load cell. Compression tests were carried out during the storage period of in-nature grains, in those that underwent the hydration process at 40 and 50 °C of temperature and in grains during the cooking process. Only the storage time had a significant effect (P<0.05)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Proportional deformity modulus; Cooking; Rupture force.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000900202
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