Modelling the plastic deformation during high-temperature creep of a powder-metallurgy coarse-grained superalloy

Sofiane Terzi; Raphael Couturier; Laure Guetaz; Bernard Viguier

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Modelling the plastic deformation during high-temperature creep of a powder-metallurgy coarse-grained superalloy

机译：粉末冶金粗粒高温合金高温蠕变过程中的塑性变形建模

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The study of creep deformation in a coarse-grained Udimet 720 superalloy obtained by powder-metallurgy reveals a good resistance associated to a dislocational deformation mechanism. A model is proposed for simulating creep and tensile curves. This model is used to understand the effect of microstructural changes on the deformation mechanisms.

机译：对粉末冶金获得的粗晶粒Udimet 720高温合金的蠕变变形的研究显示出与位错变形机制相关的良好抵抗力。提出了一个模拟蠕变和拉伸曲线的模型。该模型用于了解微观结构变化对变形机理的影响。

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《Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing》 |2008年第484期|p.598-601|共4页
作者
Sofiane Terzi; Raphael Couturier; Laure Guetaz; Bernard Viguier;
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作者单位

CEA Grenoble, DRT-UTEN-DTH, 38054 Grenoble Cedex 9, France;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
model; creep; dislocation density; udimet 720; powder-metallurgy;

机译：模型;蠕变;位错密度;udimet 720;粉末冶金;

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2. High temperature deformation of IN718 superalloy: use of basic creep modelling in the study of Nickel and single-phase Ni-based superalloys [J] . Ghat M., El Mehtedi M., Ciccarelli D., Materials at High Temperatures . 2019,第1期

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3. Transmission electron microscopy study of the microstructural evolution during high-temperature and low-stress (011) [011] shear creep deformation of the superalloy single crystal LEK 94 [J] . Leonardo Agudo Jacome, Guelcan Goebenli, Gunther Eggeler Journal of Materials Research . 2017,第24期

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4. High-Temperature Pre-deformation and Rejuvenation Treatment on the Microstructure and Creep Properties of Ni-Based Single-Crystal Superalloys [C] . Satoshi Utada, Jeremy Rame, Sarah Hamadi, International Symposium on Superalloys . 2020

机译：高温预变形及恢复活性对Ni基单晶高温合金的微观结构和蠕变性能
5. The effect of low angle boundary misorientation on creep deformation in the superalloy CM 247 LC. [D] . Kirsch, Mathew. 2014

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6. Dislocation Densities and Velocities within the γ Channels of an SX Superalloy during In Situ High-Temperature Creep Tests [O] . Thomas Schenk, Roxane Trehorel, Laura Dirand, 2018

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7. Modelling the plastic deformation during high-temperature creep of a powder-metallurgy coarse-grained superalloy [O] . Terzi Sofiane, Couturier Raphael, Guétaz Laure, 2008

机译：粉末冶金粗粒高温合金高温蠕变过程中的塑性变形建模
8. Constitutive Analysis of High-Temperature Deformation Behavior of Fine- and Coarse-Grained Two-Phase Titanium Alloys. [R] . Lee, T., Lee, C. S. 2012

机译：细晶粒和粗粒两相钛合金高温变形行为的本构分析。

Modelling the plastic deformation during high-temperature creep of a powder-metallurgy coarse-grained superalloy

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