Mechanical Mixing in Metallic Alloys During Ball Milling and Sliding Wear
球磨和滑动磨损过程中金属合金的机械混合
基本信息
- 批准号:0304942
- 负责人:
- 金额:$ 40万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-07-01 至 2008-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This grant explores the processes leading to mechanical mixing in metallic alloys during high-energy ball milling and during dry sliding wear. A major objective of this work is to elucidate the atomistic processes leading to mechanical mixing during ball milling, and their competition with thermal decomposition in the case of alloys with positive heats of mixing. The aim is to use analytical and high-resolution electron microscopy as well as atom probe field ion microscopy for characterization of the selected Ni-based alloys processed under controlled conditions. A goal of the project is to improve the understanding and the development of self-lubricated materials, and to apply the findings on the evolution of alloys during ball milling to the microstructural and chemical evolution of solids undergoing dry sliding wear. Along with the experimental studies, molecular dynamics modeling will be developed for improved kinetic model and simulations of mechanical alloying.%%%The project results are expected to lead to structural nanocomposites with improved properties. A goal of the project is to broaden the impact of the proposed work by implementing and developing a student teaching-based instructional method, by integrating research and teaching, and by developing collaborations on techniques with nanometer-scale resolution, such as electron microscopy and atom probe field ion microscopy. Collaborations with academic institutions and laboratories in US and abroad are planned.***
这项资助探索了在高能球磨和干滑动磨损过程中导致金属合金机械混合的过程。这项工作的一个主要目标是阐明原子的过程中导致机械混合球磨,和它们的竞争与热分解的情况下,合金的正混合热。其目的是使用分析和高分辨率电子显微镜以及原子探针场离子显微镜的表征选定的镍基合金在受控条件下处理。该项目的目标是提高对自润滑材料的理解和开发,并将球磨过程中合金演变的研究结果应用于干滑动磨损固体的微观结构和化学演变。沿着实验研究,分子动力学模型将发展为改进的动力学模型和机械合金化的模拟。该项目的结果预计将导致结构纳米复合材料具有更好的性能。该项目的一个目标是通过实施和开发以学生教学为基础的教学方法,通过整合研究和教学,以及通过发展纳米级分辨率技术的合作,如电子显微镜和原子探针场离子显微镜,来扩大拟议工作的影响。计划与美国和国外的学术机构和实验室合作。*
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Pascal Bellon其他文献
Evolution of Nb oxide nanoprecipitates in Cu during reactive mechanical alloying
- DOI:
10.1557/jmr.2019.381 - 发表时间:
2020-01-01 - 期刊:
- 影响因子:2.900
- 作者:
Qun Li;Xuekun Shang;Blanka Janicek;Pinshane Y. Huang;Pascal Bellon;Robert S. Averback - 通讯作者:
Robert S. Averback
Novel nanoscale precipitate structures in ion-irradiated Cu1−xVx alloys: “Cherry-pit” formation
- DOI:
10.1557/jmr.2014.360 - 发表时间:
2015-01-01 - 期刊:
- 影响因子:2.900
- 作者:
Brad Stumphy;Robert S. Averback;Pascal Bellon - 通讯作者:
Pascal Bellon
Investigation of radiation-induced segregation at fully characterized coherent twin boundaries in proton-irradiated 316L stainless steel
- DOI:
10.1016/j.jnucmat.2024.155470 - 发表时间:
2025-01-01 - 期刊:
- 影响因子:
- 作者:
Sara K. Wonner;Pascal Bellon - 通讯作者:
Pascal Bellon
Unusual irradiation-induced disordering in Cu3Au near the critical temperature: An in situ study using electron diffraction
- DOI:
10.1557/jmr.2018.308 - 发表时间:
2018-11-01 - 期刊:
- 影响因子:2.900
- 作者:
Calvin Robert Lear;Robert S. Averback;Pascal Bellon;Andrea E. Sand;Marquis A. Kirk - 通讯作者:
Marquis A. Kirk
Nanoscale patterning of composition and chemical order induced by displacement cascades in irradiated alloys
- DOI:
10.1016/j.nimb.2005.08.198 - 发表时间:
2006-01-01 - 期刊:
- 影响因子:
- 作者:
Jia Ye;Pascal Bellon;Raúl A. Enrique - 通讯作者:
Raúl A. Enrique
Pascal Bellon的其他文献
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{{ truncateString('Pascal Bellon', 18)}}的其他基金
A novel approach for increasing radiation resistance of multicomponent alloys using synergistic solutes
使用协同溶质提高多元合金耐辐射性的新方法
- 批准号:
2105118 - 财政年份:2021
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
MRI: Acquisition of a state-of-the-art atom probe for three-dimensional imaging and analysis of materials
MRI:获取最先进的原子探针,用于材料的三维成像和分析
- 批准号:
1828450 - 财政年份:2018
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Radiation resistance in alloys by solute-defect trapping
通过溶质缺陷捕获来提高合金的抗辐射性
- 批准号:
1709857 - 财政年份:2017
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Self-Organization in Model Cu Alloys for High-temperature Irradiation Environments
高温辐照环境下模型铜合金的自组织
- 批准号:
1306475 - 财政年份:2013
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
Symposium EE: Self-Organization and Nanoscale Pattern Formation; for the MRS Fall meeting in Boston
EE研讨会:自组织和纳米级图案形成;
- 批准号:
1157235 - 财政年份:2012
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Crystallographic Textures Induced by Dry Sliding Wear in Metals
金属干滑动磨损引起的晶体织构
- 批准号:
0906703 - 财政年份:2009
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Control of Kinetic Processes in Irradiated Alloys through Compositional Patterning
通过成分图案控制辐照合金的动力学过程
- 批准号:
0804615 - 财政年份:2008
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
NSF Europe: Synthesis and Characterization of Nanostructured Alloys with Enhanced Mechanical Properties
NSF Europe:具有增强机械性能的纳米结构合金的合成和表征
- 批准号:
0354060 - 财政年份:2004
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
CAREER: Mesoscopic Scale Phase Separation in Alloys under Sustained External Forcing
职业:持续外力作用下合金中的细观尺度相分离
- 批准号:
9733582 - 财政年份:1998
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
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