Collaborative Research: Design and Advanced Manufacturing of Hexaboride High Entropy Ceramics

合作研究:六硼化物高熵陶瓷的设计与先进制造

基本信息

项目摘要

New materials and processes are needed to address needs found in extreme environments, such as nuclear reactors, near space (in the vicinity of Earth), and deep space. These materials would be used in structural support, shielding, and detectors. This research pursues fundamental research to provide the needed knowledge for the development and manufacturing of a new class of multicomponent materials, called high entropy ceramics, High entropy ceramics have properties which are tunable through the choice of composition and they require a new approach to their synthesis and manufacturing. Isotopically enriched, multicomponent hexaboride materials, as a member of this new class of ceramics, will be studied in an alternative approach to achieve high performance, complex neutron detectors needed for national security and medical and nuclear technologies, fostering national prosperity. Forming such complex materials presents a unique opportunity for the development of new ceramics and methods of high-throughput advanced manufacturing and multi-scale modeling of hexaborides. The educational impact includes involvement with the Native American and Hispanic communities including cross-border collaborations.This comprehensive project looks to design and manufacture new high-entropy, 10B-enriched, hexaborides for applications in radiation detection, with a special focus on the detection of thermal, epithermal and slow neutrons. The work focusses on the discovery of new high-entropy hexaboride materials and the synthetic processes to make these multi-component materials without phase separation. The multicomponent materials will be tuned through composition, guided by computation, altering the band gap of the material. The unique aspects of this project are: (1) this will be the first study that will design and manufacture high-entropy hexaboride ceramics, opening the door to the concept of band gap engineering in these unique materials, and their potential for use in extreme environments, and (2) this will be the first study that will combine the use of multi-scale modeling techniques for the design and manufacturing of high-entropy hexaboride materials, with a special focus on the determination of electronic structure, neutron response and defect burden, as well as grain boundary effects and interphases, on the electronic properties of the materials.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
需要新的材料和工艺来满足极端环境的需求,例如核反应堆、近太空(地球附近)和深空。这些材料将用于结构支撑、屏蔽和探测器。本研究致力于基础研究,为新型多组分材料高熵陶瓷的开发和制造提供所需的知识。高熵陶瓷具有可通过选择成分来调节的特性,它们需要一种新的合成和制造方法。同位素富集的多组分六硼化物材料作为这类新型陶瓷的一员,将以另一种方法进行研究,以实现国家安全、医疗和核技术所需的高性能、复杂的中子探测器,促进国家繁荣。形成这种复杂的材料为开发新型陶瓷和高通量先进制造方法以及六硼化物的多尺度建模提供了独特的机会。教育方面的影响包括与美洲原住民和西班牙裔社区的合作,包括跨境合作。这个综合项目旨在设计和制造新的高熵、富含10b的六硼化物,用于辐射探测,特别关注热中子、超热中子和慢中子的探测。工作重点是发现新的高熵六硼化物材料和合成工艺,使这些多组分材料无相分离。多组分材料将通过组合调谐,在计算的指导下,改变材料的带隙。这个项目的独特之处在于:(1)这将是第一个设计和制造高熵六硼化物陶瓷的研究,打开了这些独特材料的带隙工程概念的大门,以及它们在极端环境中使用的潜力;(2)这将是第一个结合多尺度建模技术来设计和制造高熵六硼化物材料的研究,特别关注电子结构的确定;中子响应和缺陷载荷以及晶界效应和界面相对材料电子性能的影响。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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Victor Vasquez其他文献

The Muralla Pircada—an ancient Andean debris flow retention dam, Santa Rita B archaeological site, Chao Valley, Northern Perú
皮尔克达墙——秘鲁北部乔山谷圣丽塔 B 考古遗址的一座古老安第斯泥石流拦挡坝
  • DOI:
    10.1007/s10346-005-0051-7
  • 发表时间:
    2005-05-18
  • 期刊:
  • 影响因子:
    7.000
  • 作者:
    William E. Brooks;Jason C. Willett;Jonathan D. Kent;Victor Vasquez;Teresa Rosales
  • 通讯作者:
    Teresa Rosales
Dengue, chikungunya, and Zika virus infections imported to Paris between 2009 and 2016: Characteristics and correlation with outbreaks in the French overseas territories of Guadeloupe and Martinique
  • DOI:
    10.1016/j.ijid.2018.05.007
  • 发表时间:
    2018-07-01
  • 期刊:
  • 影响因子:
  • 作者:
    Victor Vasquez;Elie Haddad;Alice Perignon;Stéphane Jaureguiberry;Ségolène Brichler;Isabelle Leparc-Goffart;Eric Caumes
  • 通讯作者:
    Eric Caumes
Disentangling the roles of bracken fronds and litter on natural seedling recruitment in fire-disturbed tropical montane habitats
解开蕨叶和凋落物对受火灾干扰的热带山地生境中自然幼苗补充的作用
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Cecilia L. López;C. Mayta;Alfredo F. Fuentes;Mariana Villegas;Emili Antonia Jiménez;Victor Vasquez;Isabell Hensen;S. C. Gallegos
  • 通讯作者:
    S. C. Gallegos
Native Andean potatoes (Solanum tuberosum L.): Phytonutrients in Peel, Pulp and Potato Cooking Water
原生安第斯马铃薯(Solanum tuberosum L.):皮、果肉和马铃薯烹饪水中的植物营养素
  • DOI:
    10.3923/ajsr.2020.44.49
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Carmen Rojas;Victor Vasquez;V. Ninaquispe;Julio Cesar Rojas;Nelson Rios;Pedro Lujan;Jesus Obregon
  • 通讯作者:
    Jesus Obregon

Victor Vasquez的其他文献

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{{ truncateString('Victor Vasquez', 18)}}的其他基金

Collaborative Research: Integrating Nanoparticle Self-assembly into Laser/Powder-based Additive Manufacturing of Multimodal Metallic Materials
合作研究:将纳米粒子自组装集成到多模态金属材料的激光/粉末增材制造中
  • 批准号:
    2231077
  • 财政年份:
    2023
  • 资助金额:
    $ 33.27万
  • 项目类别:
    Standard Grant
Collaborative Research: Manufacturing of Low-cost Titanium Alloys by Tuning Highly-indexed Deformation Twinning
合作研究:通过调整高指数变形孪晶制造低成本钛合金
  • 批准号:
    2122272
  • 财政年份:
    2021
  • 资助金额:
    $ 33.27万
  • 项目类别:
    Continuing Grant
Collaborative Research: Photomechanical Behavior in Photovoltaic Semiconductors
合作研究:光伏半导体中的光机械行为
  • 批准号:
    2019459
  • 财政年份:
    2020
  • 资助金额:
    $ 33.27万
  • 项目类别:
    Standard Grant
SGER: Model Uncertainty and Robustness in Nonlinear Model Predictive Control for Biomedical Applications
SGER:生物医学应用非线性模型预测控制中的模型不确定性和鲁棒性
  • 批准号:
    0328247
  • 财政年份:
    2003
  • 资助金额:
    $ 33.27万
  • 项目类别:
    Standard Grant

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Research on the Rapid Growth Mechanism of KDP Crystal
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