Size distribution and coarsening kinetics of delta' precipitates in Al-Li alloys considering temperature and concentration dependence

C. -S. Tsao; C. -Y. Chen; T. -Y. Kuo

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Size distribution and coarsening kinetics of delta' precipitates in Al-Li alloys considering temperature and concentration dependence

机译：考虑温度和浓度依赖性的Al-Li合金中δ'析出物的尺寸分布和粗化动力学

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摘要

While the aging temperature is increased to low undercooling, 180 deg C for Al-9.7 at. percent Li alloy, the transitions of both the coarsening mechanism and the size distribution of delta' precipitates in Al-Li alloy are found and studied using small-angle X-ray scattering (SAXS) technique. A modified precipitation mechanism considering this transition is explored with respect to both the determined precipitate size distribution and the growth rate constant. Additionally, a more adequate method is established for estimating the growth rate constant as a function of aging temperature and Li concentration, and those results are compared with corresponding measurement results.

机译：当将时效温度提高至较低的过冷度时，Al-9.7 at 180℃。通过使用小角度X射线散射（SAXS）技术，发现并研究了含量为100％的Li合金，粗大化机理的转变和del''沉淀的尺寸分布。关于确定的沉淀物大小分布和生长速率常数，探讨了考虑该转变的改进的沉淀机理。此外，建立了一种更合适的方法来估算作为老化温度和Li浓度的函数的生长速率常数，并将这些结果与相应的测量结果进行比较。

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来源
《Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing》 |2003年第2期|p.228-233|共6页
作者
C. -S. Tsao; C. -Y. Chen; T. -Y. Kuo;
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作者单位

Division of Nuclear Fuel and Materials, Institute of Nuclear Energy Research, P.O. Box 3-14, 1000 Wenhua Road, Lungtan 325, Taiwan;

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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
Particle size distribution; Small-angle X-ray scattering; Kinetics; Al-Li alloy; Precipitates;

机译：粒径分布;小角X射线散射;动力学;Al-Li合金;析出;

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专利

1. Coarsening kinetics, thermodynamic properties, and interfacial characteristics of δ' precipitates in Al-Li alloys taking into account the Gibbs-Thomson effect [J] . C.-S. Tsao, C.-Y. Chen, J.-Y. Huang Physical review. B, Condensed Matter And Materials Physics . 2004,第17期

机译：考虑到吉布斯-汤姆森效应，铝锂合金中δ'析出物的粗化动力学，热力学性质和界面特征
2. Computer simulation of morphological evolution and coarsening kinetics of δ'(Al_3Li) precipitates in Al-Li alloys [J] . R.Poduri, L.-Q.Chen Acta Materialia . 1998,第11期

机译：Al-Li合金中δ'（Al_3Li）析出物的形态演变和粗化动力学的计算机模拟
3. Laser-Induced Reversion of delta ' Precipitates in an Al-Li Alloy: Study on Temperature Rise in Pulsed Laser Atom Probe [J] . Khushaim Muna, Gemma Ryota, Al-Kassab Talaat Microscopy research and technique . 2016,第8期

机译：激光诱导的铝锂合金中δ'析出物的回复：脉冲激光原子探针中温度升高的研究
4. Time Dependence of Arsenic Precipitates' Size Distribution in Low-Temperature GaAs [C] . C.Y.Hung, UJ.S.Harris, Jr., Diffusion mechanisms in crystalline materials . 1998

机译：低温砷化镓中砷沉淀物尺寸分布的时间依赖性
5. PART I. KINETICS OF COARSENING OF THE GAMMA-PRIME PRECIPITATE IN NICKEL - SILICON ALLOYS. PART II. RATE OF CRYSTALLIZATION OF AN AMORPHOUSIRON - PHOSPHORUS - CARBON ALLOY. [D] . RASTOGI, PRABHAT KUMAR. 1970

机译：第一部分。镍-硅合金中伽马-沉淀析出的动力学。第二部分非晶态-磷-碳合金的结晶速率。
6. An in situ USAXS–SAXS–WAXS study of precipitate size distribution evolution in a model Ni-based alloy [O] . Ross N. Andrews, Joseph Serio, Govindarajan Muralidharan, -1

机译：镍基合金模型中原位USAXS–SAXS–WAXS沉淀尺寸分布演变的研究
7. Coarsening Kinetics and Coarsened Si Size Distribution of Spray-Formed High Loading Hypereutectic Al-Si Alloys in the Semisolid State [O] . C. -h Chiang, Chi Y. A. Tsao 2015

机译：半固态喷射形成高负载过共晶al-si合金的粗化动力学和粗化si尺寸分布
8. Precipitation Hardening of Nickel--Aluminum Alloy Single Crystals and Its Dependence on the Size Distribution of gamma-Prime Precipitates. [R] . munjal, v. ardell, a. j. 2001

机译：镍铝合金单晶的沉淀硬化及其对γ-prime沉淀物粒度分布的依赖性。

Size distribution and coarsening kinetics of delta' precipitates in Al-Li alloys considering temperature and concentration dependence

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