Influence of Plasma Nitriding with a Nitrogen Rich Gas Composition on the Reciprocating Sliding Wear of a DIN 18MnCrSiMo6-4 Steel

Autor: Rafael Luciano Dalcin, Alexandre da Silva Rocha, Victor Velho de Castro, Leonardo Fonseca Oliveira, Julio Cesar Klein das Neves, Carlos Henrique da Silva, Célia de Fraga Malfatti

Publikováno v: Materials Research, Vol 24, Iss 4 (2021)

In this study, the sliding wear of a DIN 18MnCrSiMo6-4 continuous cooling bainitic steel plasma nitrided with a nitrogen rich gas composition was investigated. To evaluate the influence of processing time and temperature on mechanical and microstruct

Externí odkaz: https://doaj.org/article/2dd725c259b54699aa819e2e72516ae2

Response of a DIN 18MnCrSiMo6-4 Continuous Cooling Bainitic Steel to Different Plasma Nitriding Gas Mixtures

Autor: Rafael Luciano Dalcin, Leonardo Fonseca Oliveira, Carla Adriana Theis Soares Diehl, Alexandre da Silva Rocha

Publikováno v: Materials Research, Vol 23, Iss 5 (2020)

Continuous cooling bainitic steels has been widely used in industrial processes owing to its excellent mechanical properties and toughness. Although the surface properties of them are acceptable for many purposes, for their use in mechanical componen

Externí odkaz: https://doaj.org/article/6b04d795dad14a3daf83f9609195f1a6

AprEnDO, aplicativo de celular para melhorar a aprendizagem de equações diferenciais ordinárias de 1ª ordem

Autor: André Barros de Sales, Tatiane da Silva Evangelista, Leonardo Fonseca Oliveira

Publikováno v: Revista Internacional de Educação Superior, Vol 8, Iss 00 (2021)

Este trabalho apresenta um relato de experiência da utilização de um jogo de serviço móvel celular como estratégia tecnológica de ensino para melhorar o aprendizado e o desempenho de estudantes com o conteúdo de Equações Diferenciais Ordin�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8870cc70b6a2ba5d560dd7301d5ee8d9
https://periodicos.sbu.unicamp.br/ojs/index.php/riesup/article/view/8658629

New ASPN high efficiency treatment of ASTM M2 steel

Autor: Alexandre da Silva Rocha, Edison Silva Lima, Leonardo Fonseca Oliveira

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Materials Research, Vol 24, Iss 1 (2021)
Materials Research v.24 n.1 2021
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 24, Issue: 1, Article number: e20200404, Published: 15 JAN 2021

Plasma nitriding treatments are applied to achieve excellent surface properties on steel parts and tools. Active screen plasma nitriding (ASPN) does not have the defects presents in direct nitriding plasma treatments (DCPN). However, ASPN require muc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6e074e5b3c7c040eae98b5aa99b84b1

Among cinema, music and memories: An analysis of the documentary Mobília em Casa and the representations of Brasília

Autor: Leonardo Fonseca Oliveira, Isadora Banducci Amizo

Publikováno v: Paranoá: journal of Architecture and Urbanism; No. 24 (2019): Paranoá 24-July/December-Cinema Urbana: Memories under Construction; 31-49
Paranoá; n. 24 (2019): Paranoá 24-Julho/Dezembro-Cinema Urbana: Memórias em Construção; 31-49

This article aims at analysing of the full-length documentary Mobília em Casa - Móveis Coloniais de Acaju e a cidade (2014), a production narrated in first person by the director José Eduardo Belmonte. This study seeks to relate the documentary to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44ceb9cd0e661217200f76824f137c6a
https://periodicos.unb.br/index.php/paranoa/article/view/29374