Análise de textura da LIGA 600 após processamento por ECAP e tratamentos térmicos

Engenharia no Século XXI – Volume 7 Pub Date : 2019-02-12 DOI:10.36229/978-85-7042-161-6.CAP.13

R. Dias, W. A. Monteiro, C. B. D. E. E. C. D. Materiais

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Abstract

X-ray diffractometry is an important technique of materials characterization. It can be used for qualitative analysis, revealing phases and crystalline structure or quantitative, which can reveal composition, grain size (crystallite) and preferential orientation (texture). In this work the crystallographic texture (deformation and annealing) of the nickel superalloy, Inconel 600 (alloy 600), was analyzed after ECAP processing, Equal Channel Angular Pressing, and subsequent heat treatments. Crystallographic Planes {111}, {200} and {220} were analyzed due to the FCC structure of the material, in the normal direction to the cross-section. The analysis of the sample of 3 passes without heat treatment returned a texture associated with the planes and directions {111} <110>. For the annealed samples an evolution in the texture attached to the planes and directions {113} <110>, <101> <110> and <332> <110> was identified and a texture variation attached to the planes and directions {223} <110 > and {332} <110>. 23o CBECiMat Congresso Brasileiro de Engenharia e Ciência dos Materiais 04 a 08 de Novembro de 2018, Foz do Iguaçu, PR, Brasil

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600合金经ECAP处理和热处理后的织构分析

x射线衍射是一种重要的材料表征技术。它可以用于定性分析，揭示相和晶体结构或定量，可以揭示成分，晶粒尺寸(结晶)和择优取向(织构)。本文分析了镍高温合金Inconel 600 (alloy 600)经过ECAP加工、等径角挤压和后续热处理后的晶体织构(变形和退火)。由于材料的FCC结构，从法向到截面分析了{111}、{200}和{220}三个晶体面。对未经热处理的3道次试样的分析得到了与平面和方向{111}相关的织构。对于退火后的样品，在平面和方向{113}上发现了织构的演变，并在平面和方向{223}和{332}上发现了织构的变化。23 . CBECiMat congress so Brasileiro de Engenharia e Ciência dos Materiais 04 - 08 de十一月2018,Foz do igua， PR，巴西

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Engenharia no Século XXI – Volume 7

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