Effect of precipitate morphology on strength of Ir-Nb alloys with two-phase coherent structures.

Y.Yamabe-Mitarai; Y.Gu; Y.Ro; S .Nakazawa; Maruko; H. Harada

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Effect of precipitate morphology on strength of Ir-Nb alloys with two-phase coherent structures.

机译：析出物形态对具有两相干结构的Ir-Nb合金强度的影响。

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We altered the precipitate morphology by heattreatment of Ir-Nb alloys. The alloy strength depended on theprecipitate morphology. When cuboidal precipitates werelocalized in rows along the <001> cube directions, the strengthwas lower than that of samples with cuboidal precipitatesdistributed uniformly, because of large, wide fcc channels. Whenplate-like or needle-like fcc phases were formed in cuboidal L1sub 2 precipitates, there was no large difference in the strengthfrom that of samples with uniformly distributed cuboidalprecipitates. This shows that Ir-Nb alloys deform by the bypass mechanism.

机译：我们通过Ir-Nb合金的热处理改变了沉淀物的形貌。合金强度取决于沉淀物的形态。当长方体沉淀沿<001>立方方向排成行时，其强度低于具有长方体fcc通道的均匀长方体沉淀样品的强度。当长方体L1sub 2析出物中形成板状或针状fcc相时，强度与长方体状沉淀均匀分布的样品强度没有很大差异。这表明，Ir-Nb合金通过旁路机制变形。

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《Scripta materialia》 |1999年第3期|共7页
作者
Y.Yamabe-Mitarai; Y.Gu; Y.Ro; S .Nakazawa; Maruko; H. Harada;
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正文语种 eng
中图分类金属学与热处理;冶金工业;
关键词
Iridium base alloys; Mechanical properties; Tensile strength; Microstructural; Precipitates; Morphology; 铱合金; 机械性能; 拉伸强度; 显微组织; 沉淀; 形貌;

机译：Iridium base alloys;Mechanical properties;Tensile strength;Microstructural;Precipitates;Morphology;铱合金;机械性能;拉伸强度;显微组织;沉淀;形貌;

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1. Effect of precipitate morphology on strength of Ir-Nb alloys with two-phase coherent structures. [J] . Y.Yamabe-Mitarai, Y.Gu, Y.Ro, Scripta materialia . 1999,第3期

机译：析出物形态对具有两相干结构的Ir-Nb合金强度的影响。
2. Influence of precipitate morphology on the high-temperature deformation of Ir-Nb alloys [J] . Y. Yamabe-Mitarai, H. Harada Journal of Materials Science . 2003,第19期

机译：析出物形态对Ir-Nb合金高温变形的影响
3. Synergic strengthening by oxide and coherent precipitate dispersions in high-entropy alloy prepared by powder metallurgy [J] . Moravcik Igor, Gouvea Larissa, Hornik Vit, Scripta materialia . 2018,第期

机译：通过氧化物氧化物和相干沉淀分散在粉末冶金制备的高熵合金中的协同作用
4. Two-Phase Microstructures Formed by Phase-Separation of Coherent Precipitates in Elastically Constrained Alloy Systems [C] . Minoru Doi International conference on processing manufacturing of advanced materials;THERMEC 2009 . 2010

机译：弹性约束合金体系中相干析出物相分离形成的两相微结构
5. Phase-field simulations of coherent precipitate morphologies and coarsening kinetics. [D] . Vaithyanathan, Venugopalan. 2002

机译：相干沉淀形态和粗化动力学的相场模拟。
6. Misfit-induced changes of lattice parameters in two-phase systems: coherent/incoherent precipitates in a matrix [O] . Maryam Akhlaghi, Tobias Steiner, Sai Ramudu Meka, -1

机译：两相系统中晶格参数的失配诱导变化：基质中的相干/不相干沉淀
7. Effects of Two-Phase Microstructure Morphology on Mechanical Properties in Co-Base Heat Resistant Alloys Strengthened by E2₁-（Co, Ni）₃AlC Phase [O] . Mami Kasakura, Yoshisato Kimura 2017

机译：两相微观结构形态对E2 _{1 - （Co，Ni）_{3 / sub> ALC相的基础耐热合金中的机械性能的影响}}
8. Strengthening Precipitate Morphologies Fully Quantified in Advanced Disk Superalloys [R] . Gabb, Timothy P. 1998

机译：加强高级磁盘高温合金中沉淀物形态的全面量化

Effect of precipitate morphology on strength of Ir-Nb alloys with two-phase coherent structures.

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