Anais Do Congresso Anual Da ABM 2017
DOI: 10.5151/1516-392x-31048
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Influência Da Banda De Cisalhamento Adiabático Na Resistência De Uma Blindagem De Alta Dureza

Abstract: Resumo O objetivo desse estudo é correlacionar a diminuição da resistência balística de um aço de alta dureza (HHA-High Hardness Armor), produzido no Brasil, com as mudanças microestruturais devido ao impacto balístico. Os resultados sugerem que essa diminuição está relacionada ao surgimento da banda de cisalhamento adiabático (ASB-Adiabatic Shear Bands) com uma dureza maior que a do material original, o que produz trincas e consequentemente diminui a resistência balística do aço. Palavras-chave:Blindagem metá… Show more

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“…Hardness can be defined as the resistance to permanent plastic deformation, scratch or indentation of a softer material by a harder one. It is measured several times in the production line in order to assure the quality of several items produced, to perform sampling during the production processes and in materials receipt tests (Oliveira, S.P., 2011). Brinell, Vickers and Rockwell are the most used indentation hardness scales for metallic materials.…”
Section: Introductionmentioning
confidence: 99%
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“…Hardness can be defined as the resistance to permanent plastic deformation, scratch or indentation of a softer material by a harder one. It is measured several times in the production line in order to assure the quality of several items produced, to perform sampling during the production processes and in materials receipt tests (Oliveira, S.P., 2011). Brinell, Vickers and Rockwell are the most used indentation hardness scales for metallic materials.…”
Section: Introductionmentioning
confidence: 99%
“…to the productive sector. Thus, the hardness standard block is the aforementioned certified reference material which is a key component to ensure valid macrohardness measurements (Oliveira, S.P., 2011).…”
Section: Introductionmentioning
confidence: 99%