Wear Micromechanisms
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. HVOF-sprayed Coating Over AISI 4140 Steel for Hard Chromium Replacement
The replacement of electrolytic hard chrome (EHC) by high velocity oxy-fuel (HVOF) sprayed coatings is investigated due to the toxicity of EHC process. The wear behavior of AISI 4140 steel coated by HVOF-, EHC-process was compared to quenched and tempered (Q&T) steel using a pin-on-disc apparatus. The wear tests were conducted at room temperature, 10 N appli
Mat. Res.. Publicado em: 28/05/2018
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2. Efeito do tamanho do abrasivo no desgaste de metais. / The effect of abrasive size on the wear resistance of metallic materials.
In this research, the effect of abrasive size on the wear resistance of five metallic materials was investigated. Abrasive wear tests using a pin test on alumina paper were carried out using abrasive sizes between 16 µm and 192 µm. The wear surface of the specimens was examined by scanning electron microscopy for identifying the wear micromechanism and the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/06/2010
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3. Obtenção e caracterização de compostos do tipo in situ no sistema A1 Nb
This work analyses the feasibility of in situ composites production in the AI-Nb system, containing AI- fhase as matrix and intermetallic NbAl3 as reinforcement; and characterizes 6, 12 and 18%vol NbAl3 produced composites in relation to their mechanical properties (hardness; yield strength, ultimate tensile strength, strain; wear), thermal expansion and den
Publicado em: 1994