Propagation Materials
Mostrando 1-12 de 103 artigos, teses e dissertações.
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1. APLICAÇÃO DA FLUIDODINÂMICA COMPUTACIONAL (CFD) E ANÁLISE DE ACELERANTES NA INVESTIGAÇÃO DE INCÊNDIO
Fire investigation is a complex activity that involves skill, technology, knowledge and science and aims to elucidate fire-related events such as cause, origin, propagation, phenomena, etc. Chemical analysis to verify the presence of foreign substances in that location, as well as the use of fire simulation software are efficient and economical ways to study
Quím. Nova. Publicado em: 2020-05
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2. Advances in citrus propagation in Brazil
Resumo A citricultura é uma atividade agrícola de grande expressão mundial, ocupando posição de destaque no Brasil entre as frutíferas com elevado volume e valor de produção para o mercado interno de frutas frescas e para exportação de suco concentrado. Considerando as limitações de ordem técnica do agronegócio dos citros, principalmente as am
Rev. Bras. Frutic.. Publicado em: 05/12/2019
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3. A Rapid and Reliable Method for Molecular Detection of Fusarium guttiforme, the Etiological Agent of Pineapple Fusariosis
Abstract Pineapple (Ananas comosus var. comosus) fusariosis is an economically important fungal disease affecting the plant and its fruit. A rapid and reliable diagnosis is the base of integrated disease management practices. Fusariosis has resulted in quarantines for pineapple products in Central America, Africa and Asia. Difficulties diagnosing and correc
Braz. arch. biol. technol.. Publicado em: 25/11/2019
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4. Aço carbono 1040 como indicador de agressividade do solo e da pasta de cimento em sistemas de ancoragem de linhas de transmissão
RESUMO O encapsulamento de hastes de âncora em pasta de cimento reduz o contato dos materiais metálicos com os ambientes agressivos, em torres estaiadas de linhas de transmissão de energia elétrica. Contudo, ainda são reportados casos de falha prematura devido à corrosão do sistema de ancoragem. O íon cloreto é considerado um dos principais respons�
Matéria (Rio J.). Publicado em: 16/09/2019
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5. A Numerical Modelling of Mixed Mode Crack Initiation and Growth in Functionally Graded Materials
The main objective of this work is to present a numerical modeling of crack propagation path in isotropic functionally graded materials (FGMs) under mixed-mode loadings. The displacement extrapolation technique (DET) and the maximum circumferential stress (MCS) criterion are investigated in the context of crack growth in functionally graded beam subject to t
Mat. Res.. Publicado em: 04/04/2019
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6. Fatigue degradation strategies to simulate crack propagation using peridynamic based computational methods
Abstract The aim of this paper is to develop new computational tools to study fatigue crack propagation in structural materials. In particular we compare the performance of different degradation strategies to study fatigue crack propagation phenomena adopting peridynamic based computational methods. Three fatigue degradation laws are proposed. Two of them ar
Lat. Am. j. solids struct.. Publicado em: 14/03/2019
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7. Physiological quality of pelleted Cubiu (Solanum sessiliflorum Dunal) seeds
Resumo Objetivou-se com este trabalho avaliar o efeito de distintos materiais de recobrimento na qualidade fisiológica de sementes de cubiu. Para tanto, foram testados três materiais aglomerantes (fécula de mandioca, talco inerte e calcário dolomítico) e dois polímeros aglutinantes (acetato de polivinila e goma arábica) na concentração de 30%, e, a
Rev. Bras. Frutic.. Publicado em: 28/02/2019
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8. A Comparative Investigation of the Corrosion Resistance and HIC Suceptibility of API 5L X65 and API 5L X80 Steels
High strength low alloy (HSLA) steels are used for the construction of pipelines for oil and natural gas transportation. For such applications pipelines must exhibit mechanical resistance and resistance to corrosion and hydrogen induced cracking (HIC). API 5L X65 steels are the main materials used for this purpose. However, for economic reasons, the use of s
Mat. Res.. Publicado em: 07/01/2019
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9. Determinación de la tenacidad a la fractura J en laminados fibra-metal del tipo CARALL con láminas de aluminio 6061 y 1050
ABSTRACT Determination of fracture toughness in hybrid composites, fiber-metal laminates, FML (Fiber Metal Laminates) is very important to perform an analysis of structural integrity to estimate damage tolerance and residual strength of the material against the propagation of a crack This evaluation should be done in both naval and aircraft structures using
Matéria (Rio J.). Publicado em: 19/07/2018
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10. Measurement uncertainty of plane-strain fracture toughness KIC testing by the Monte Carlo Method
Abstract The reliable determination of materials' mechanical properties is a fundamental factor for their application in engineering, and the estimation of the measurement uncertainty in testing laboratories has a direct impact on the interpretation of the results. Recent literature demonstrates that one of the most widely used methodologies for uncertainty
REM, Int. Eng. J.. Publicado em: 2018-04
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11. Finite element simulation of fracture in a restored premolar tooth using high aspect ratio elements
Abstract Introduction The term cracked tooth syndrome refers to an incomplete fracture of a vital posterior tooth that involves the dentin and occasionally extends into the pulp. There is a very limited number of publications trying to model dentin crack growth using numerical techniques. Therefore, it is essential to numerically model this phenomenon in o
Res. Biomed. Eng.. Publicado em: 19/03/2018
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12. Mode I Interlaminar Fracture Toughness Analysis of Co-Bonded and Secondary Bonded Carbon Fiber Reinforced Composites Joints
Aiming to reduce aircraft weight, aeronautic industry seeks alternative materials and processes used to join its different structural parts. An option to traditional methods are high performance adhesive joints, which reduce weight, number of parts and component final cost, also resulting in higher strength structures. Although, the lack of experimental data
Mat. Res.. Publicado em: 05/02/2018