GOALI: Nanodesign and Efficient Processing of Boron Carbide Nanocomposites

目标:碳化硼纳米复合材料的纳米设计和高效加工

基本信息

项目摘要

This research develops innovative nickel nanolayer coated boron carbide (B4C/Ni) composites. B4C has high melting point, high hardness, good chemical resistance, and low density. However, the high melting point and high hardness make B4C very difficult to process and intrinsically brittle. Currently used hot pressing is expensive and inefficient; simple mixing of B4C and other additives hampers the desired performances. This project is aimed at establishing the framework for systematic understanding and manuipulation of matter, and will deliver far more desired properties and processability than the current stochastic approach. The particle-based electroless coating explores new methodology in high temperature material design; the combustion driven compaction process accelerates the application and improvement of ultrahigh pressure compaction; and the pressureless sintering studies of B4C/Ni hold great promise for the advancement of the unexplored nanolayer activated-sintering. B4C/Ni nanocomposites have important applications in high temperature thermoelectric conversion, neutron absorption, cutting tools, and lightweight structural materials. With the knowledge gained on nano-coating and high-efficiency manufacturing, many hard-to-process high temperature materials can be re-designed. The program will provide important opportunities for Virginia Tech and industry to build alliance in nanomaterial research and development to accelerate nanotechnology transfer to industry. The proposed activities in engaging university faculty, students, and industry scientists will contribute greatly to enhancing U.S. manufacturing workforce. The outreach activities are targeted at three areas of nanotechnology: industry nanotechnology development, female engineering student retention, and high school nano-education.
本研究开发了创新的镍纳米层涂覆的碳化硼(B4 C/Ni)复合材料。B4 C具有高熔点、高硬度、良好的耐化学性和低密度。然而,高熔点和高硬度使得B4 C非常难以加工并且本质上易碎。目前使用的热压是昂贵的和低效的; B4 C和其他添加剂的简单混合阻碍了所需的性能。该项目旨在建立系统理解和操纵物质的框架,并将提供比当前随机方法更理想的性能和加工性能。基于颗粒的化学镀为高温材料的设计提供了新的方法;燃烧驱动压制工艺的发展促进了热压压制工艺的应用和改进; B4 C/Ni的无压烧结研究为未开发的纳米层活化烧结的发展提供了巨大的希望。 B4 C/Ni纳米复合材料在高温热电转换、中子吸收、切削工具和轻质结构材料等方面有重要应用。凭借在纳米涂层和高效制造方面获得的知识,许多难以加工的高温材料可以重新设计。该计划将为弗吉尼亚理工大学和工业界提供重要的机会,在纳米材料研究和开发方面建立联盟,以加速纳米技术向工业界的转移。拟议中的大学教师、学生和行业科学家参与的活动将大大有助于增强美国制造业劳动力。推广活动针对纳米技术的三个领域:工业纳米技术开发、女工程学生的保留和高中纳米教育。

项目成果

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Kathy Lu其他文献

Colloidal dispersion and rheology study of nanoparticles
  • DOI:
    10.1007/s10853-006-0303-5
  • 发表时间:
    2006-09-01
  • 期刊:
  • 影响因子:
    3.900
  • 作者:
    Kathy Lu;Chris Kessler
  • 通讯作者:
    Chris Kessler
Multiwall Carbon Nanotube and TiO2 Sol Assembly
多壁碳纳米管和TiO2溶胶组装
Synthesis of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>-derived and layered TiO<sub>2</sub> with NiO nanosheets as heterojunction composites and their gas-sensing properties
  • DOI:
    10.1016/j.snb.2024.136655
  • 发表时间:
    2025-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Jianhui Jia;Yang Bai;Jingzhong Zhao;Shujuan Li;Pengrong Ren;Kathy Lu
  • 通讯作者:
    Kathy Lu
Nickel–boron nanolayer evolution on boron carbide particle surfaces during thermal treatment
  • DOI:
    10.1016/j.tsf.2009.02.123
  • 发表时间:
    2009-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Kathy Lu;Xiaojing Zhu
  • 通讯作者:
    Xiaojing Zhu
54091 Biologic efficacy and reasons for discontinuation in a tertiary referral hidradenitis suppurativa clinic
  • DOI:
    10.1016/j.jaad.2024.07.108
  • 发表时间:
    2024-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Albert Young;Kathy Lu;Andrea Dai;Dheeraj Kagithala;Eglal Samir;Mark Gregory;Madison Romanski;Peter Dimitrion;Iltefat Hamzavi;Qing-Sheng Mi
  • 通讯作者:
    Qing-Sheng Mi

Kathy Lu的其他文献

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{{ truncateString('Kathy Lu', 18)}}的其他基金

ISS: Synthesis of Electrically Conductive High-Temperature Composites Under Microgravity and Normal Gravity Conditions
ISS:微重力和正常重力条件下导电高温复合材料的合成
  • 批准号:
    2422018
  • 财政年份:
    2023
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
ISS: Synthesis of Electrically Conductive High-Temperature Composites Under Microgravity and Normal Gravity Conditions
ISS:微重力和正常重力条件下导电高温复合材料的合成
  • 批准号:
    2024546
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Additive Manufacturing of Load and Energy Absorbing Materials through an Integrated Experimental and Modelling Approach
通过综合实验和建模方法增材制造负载和能量吸收材料
  • 批准号:
    1853893
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Lithographic Patterning of Co-Dispersed Nanomaterials for Device Applications
用于设备应用的共分散纳米材料的光刻图案
  • 批准号:
    1661564
  • 财政年份:
    2017
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Collaborative Research: Integrated Design of Ultrahigh Surface Area Conductive Materials
合作研究:超高比表面积导电材料集成设计
  • 批准号:
    1634325
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Nanoscale Sintering Understanding
纳米级烧结的理解
  • 批准号:
    1461516
  • 财政年份:
    2015
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Multi-Scale Study of Nanoparticle Sintering
纳米颗粒烧结的多尺度研究
  • 批准号:
    0969888
  • 财政年份:
    2010
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Template-Assisted Nanoparticle Processing
模板辅助纳米颗粒加工
  • 批准号:
    0824741
  • 财政年份:
    2008
  • 资助金额:
    --
  • 项目类别:
    Standard Grant

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Nanodesign of Tribological Properties via Self-Assembling Composite Molecular Films
通过自组装复合分子膜摩擦学性能的纳米设计
  • 批准号:
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