A quantitative approach to investigate discontinuous precipitation on grain boundary of Ni-based single crystal superalloys

Yu Z.; Zheng Y.; Feng Q.

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A quantitative approach to investigate discontinuous precipitation on grain boundary of Ni-based single crystal superalloys

机译：研究镍基单晶高温合金晶界不连续析出的定量方法

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We designed a [001] tilt grain boundary by self-diffusion bonding technique in a single crystal superalloy. The effects of the grain boundary plane as well as its misorientation on discontinuous precipitation (DP) were investigated quantitatively. The anisotropic formation of DP colonies was associated with the anisotropic mobility of grain boundary plane. The critical misorientation for DP transformation is in between 20 and 25 degrees for SXG3 alloy. The method proposed in this work can be used to investigate the misorientation tolerance of grain boundaries that occurs during casting of single crystal turbine blade. (C) 2016 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

机译：我们通过自扩散键合技术在单晶高温合金中设计了[001]倾斜晶粒边界。定量研究了晶界平面及其取向错误对不连续沉淀（DP）的影响。 DP菌落的各向异性形成与晶界平面的各向异性迁移有关。对于SXG3合金，DP转变的严重取向不良在20到25度之间。这项工作中提出的方法可用于研究在单晶涡轮叶片铸造过程中发生的晶界的取向不良。（C）2016 Acta Materialia Inc.，由Elsevier Ltd.发行。保留所有权利。

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《Scripta materialia》 |2017年第null期|共4页
作者
Yu Z.; Zheng Y.; Feng Q.;
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关键词
Single crystal superalloy; Bonding boundary; Misorientation; Anisotropic growth; Discontinuous precipitation;

机译：单晶高温合金;键合边界;取向错误;各向异性生长;不连续析出;

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1. A quantitative approach to investigate discontinuous precipitation on grain boundary of Ni-based single crystal superalloys [J] . Yu Z., Zheng Y., Feng Q. Scripta materialia . 2017,第Null期

机译：一种研究Ni基单晶超合金晶界晶界的定量方法
2. Misorientation effect of grain boundary on the formation of discontinuous precipitation in second and third generation single crystal superalloys [J] . MATEC Web of Conferences . 2014,第2014期

机译：第二代和第三代单晶高温合金中晶界的取向失调对不连续析出形成的影响
3. Formation of low-angle grain boundaries under different solidification conditions in the rejoined platforms of Ni-based single crystal superalloys [J] . Huo Miao, Liu Lin, Yang Wenchao, Journal of Materials Research . 2019,第2期

机译：Ni基单晶高温合金再结合平台中不同凝固条件下低角度晶界的形成
4. Experimental and Simulation Study of the Effect of Precipitation Distribution and Grain Size on the AD730 Ni-Based Polycrystalline Superalloy Tensile Behavior [C] . Marco Panella, Loic Signor, Jonathan Cormier, International Symposium on Superalloys . 2020

机译：沉淀分布与粒度效果对AD730 Ni的多晶超合金拉伸行为的实验和仿真研究
5. Intergranular corrosion in AA5XXX aluminum alloys with discontinuous precipitation at the grain boundaries [D] . Bumiller, Elissa 2011

机译：AA5XXX铝合金的晶间腐蚀并在晶界处出现不连续沉淀
6. Simulation and Experimental Studies on Grain Selection and Structure Design of the Spiral Selector for Casting Single Crystal Ni-Based Superalloy [O] . Hang Zhang, Qingyan Xu 2017

机译：铸造单晶镍基高温合金螺旋选择器的晶粒选择与组织设计的仿真与实验研究
7. Misorientation effect of grain boundary on the formation of discontinuous precipitation in second and third generation single crystal superalloys [O] . Zhengrong Yu, Xianfei Ding, Yunrong Zheng, 2014

机译：晶界对第二代单晶超合金中不连续沉淀形成的误导作用

A quantitative approach to investigate discontinuous precipitation on grain boundary of Ni-based single crystal superalloys

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