Search Results - "Rocco, Jose Atilio Fritz Fidel"

EPS foam blast attenuation in full-scale field test of reinforced concrete slabs by Mendonca, Fausto Batista, Urgessa, Girum Solomon, Dutra, Rita Lazzarini, Goncalves, Rene Francisco Boschi, Iha, Koshun, Rocco, Jose Atilio Fritz Fidel

“…Predicting explosion parameters is an important step when planning for blast tests or the design of blast resistant buildings. This paper presents a comparison…”
Get full text

The Influence of the Level of Load in the Mixer on the Processability and Mechanical Properties of the Solid Composite Propellant by Cunha, Bruno Cesar Christo, Rocco, José Atílio Fritz Fidel

“…The present study evaluated the influence of the level of load in the mixer on the processability and mechanical properties of the solid composite propellant…”
Get full text

Dynamic mechanical properties for polyurethane elastomers applied in elastomeric mortar by Rocco, José Atílio Fritz Fidel, Lima, José Eduardo Salgueiro, Lourenço, Vera Lúcia, Batista, Natássia Lona, Botelho, Edson Cocchieri, Iha, Koshun

“…Dynamic mechanical properties of a polyurethane (PU) elastomer and a mortar processed with the same elastomer (modified polytetramethylene ether glycol…”
Get full text

Copper/Iron Brake Friction for Military Aircraft Application by Santos, Thiago Duque Estrada da Silva, Regiani, Inácio, Rocha, Roberta Jachura, Rocco, José Atílio Fritz Fidel

“…The present study assesses the influence of non-metallic constituents and manufacturing parameters, such as compaction pressure and sintering temperature, to…”
Get full text

The influence of the type and size of the reactor and the influence of the heating interruption during curing on the solid composite propellant properties by Da Cunha, Bruno Cesar Christo, Rocco, Jose Atilio Fritz Fidel

“…The solid composite propellant is a viscoelastic material that retains the treatment received during its all‐useful life. As a result, its manufacturing…”
Get full text

Experimental Study of Polyurethane-Based Fuels with Addition of Paraffin and Aluminum for Hybrid Rocket Motors by Gomes, Susane Ribeiro, Rocco Junior, Leopoldo, Rocco, José Atílio Fritz Fidel, Iha, Koshun

“…Experimental investigation was conducted to determine the relative propulsive and combustion behavior of several polyurethane-based solid-fuel formulations…”
Get full text

An analysis of the initiation process of electro-explosive devices by Faria, Paulo Cesar de Carvalho, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…Electro-explosive devices (an electric resistance encapsulated by a primary explosive) fundamentally convert electrical energy into thermal energy, to start…”
Get full text

Ammonium perchlorate and ammonium perchlorate-hydroxyl terminated polybutadiene simulated combustion by Gonçalves, Rene Francisco Boschi, Iha, Koshun, Machado, Francisco Bolivar Correto, Rocco, José Atílio Friz Fidel

“…The combustion simulation of ammonium perchlorate was carried out with the software Chemkin, in two steps: the burning behavior of pure ammonium perchlorate…”
Get full text

Evaluation of nanoparticles in the performance of energetic materials by Rocco, José Atílio Fritz Fidel, Gonçalves, Rene Francisco Boschi, Iha, Koshun, Silva, Gilson da

“…The addition of nanosized metal particles in propulsion systems such as solid and liquid propellants, hybrid propellant and ramjet motors has recently became a…”
Get full text

ESTIMATE OF PBX (PLASTIC-BONDED EXPLOSIVE) SHELF LIFE WITH ACCELERATED AGING by Kirchhof, Edemar, Rocha, Roberta Jachura, Nakamura, Nanci Miyeko, Lapa, Camila Maria, Pinheiro, Glaci Ferreira Martins, Gonçalves, Rene Francisco Boschi, Rocco, José Atílio Fritz Fidel, Iha, Koshun

Get full text

Revestimentos de alta camada obtidos com a modificação de resinas epóxi novolaca pela reação com organo-siloxano e catálise ácida by Roberta Jachura Rocha, José Atílio Fritz Fidel Rocco, Maria Auxiliadora Silva de Oliveira, Koshun Iha

“…Epoxy resins are an important class of thermostable polymers, widely used in structural applications or as adhesives. However, the low fracture resistance is…”
Get full text

Revestimentos de alta camada obtidos com a modificação de resinas epóxi novolaca pela reação com organo-siloxano e catálise ácida by Rocha, Roberta Jachura, Rocco, Jose Atilio Fritz Fidel, Iha, Koshun, Silva, Maria Auxiliadora

Get full text

Combustion Modeling of Aluminum Incorporated to Low-Explosive Formulations such as Solid Propellants by Gonçalves, Rene F. Boschi, Iha, Koshun, Rocco, José Atílio Fritz F.

“…Aluminum that is incorporated in an energetic material such as a propellant plays a significant role in the combustion process by means of stabilization with…”
Get full text

A Study of the Influence of Storage Time of Uncured Propellants on the Final Properties of the Composite in Multi‐Batch Processes on an Industrial Scale by Christo da Cunha, Bruno Cesar, Fidel Rocco, José Atílio Fritz

“…In the Brazilian Aerospace Program, even though all developed rocket motors are manufactured in the same plant of the Department of Aerospace Science and…”
Get full text

The influence of accelerated aging on magnesium/PTFE/FPM decoy flares by Pires, Humberto Baldessarini, Rocha, Roberta Jachura, Iha, Koshun, Binda, Ricardo Vieira, Domingues, Marcela Galizia

Get full text

Reinforced Transparencies for Aerospace Application - Case Description by De Bruyn Neto, Melis, Sales, Rita de Cássia Mendonça, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…ABSTRACT This paper describes the polycarbonate acrylic laminated development that can be applied in aeronautics and aerospace transparencies. The case studied…”
Get full text

Influence of storage time before casting on viscosities and mechanical properties of AP/HTPB/Al solid composite propellants by Da Cunha, Bruno Cesar Christo, Mattos, Elizabeth da Costa, Rocco, José Atílio Fritz Fidel

“…Solid rocket motors can contain different quantity of solid composite propellant. In the Brazilian Aerospace Program, a considerable difference of the…”
Get full text

DETERMINAÇÃO DOS PARÂMETROS CINÉTICOS E SIMULAÇÃO COMPUTACIONAL DO PERFLUOROPOLIÉTER (PFPE) EMPREGADO COMO LUBRIFICANTE SINTÉTICO by Ellen Cristine Araújo Rosa, Rene Francisco Boschi Gonçalves, Marcela Galizia Domingues, Luiz Eduardo Nunes Almeida, Antônio Carlos Silva, José Atílio Fritz Fidel Rocco

“…This work aims to determine the kinetic parameters of the thermal decomposition of a lubricating grease based on perfluoropolyether (PFPE) and the…”
Get full text

Swirl Injection Effects on Hybrid Rocket Motors by Gomes, Susane Ribeiro, Rocco Junior, Leopoldo, Rocco, José Atílio Fritz Fidel

“…In the last decades, hybrid rocket engines have been increasingly studied and used in space vehicles. However, the low regression rates and specific impulses…”
Get full text

Síntese de poliuretanos modificados por óleo de mamona empregados em materiais energéticos by Rocha, Roberta Jachura, Lima, José Eduardo Salgueiro, Gomes, Susane Ribeiro, Iha, Koshun, Rocco, José Atílio Fritz Fidel

“…The aim of this work was to synthesize a polyurethane polymer matrix using castor oil as a polymer chain modifier, whose characteristics can be adjusted for…”
Get full text