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Strength at the nanoscale: fundamental mechanisms of plasticity in nano-structured materials

Strength at the nanoscale: fundamental mechanisms of plasticity in nano-structured materials
纳米级强度:纳米结构材料可塑性的基本机制
批准号:
203024-2007
负责人:
Miller, Ronald
金额:
$2.14万
依托单位:
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2009
资助国家:
加拿大
项目状态:
已结题
起止时间:
2009-01-01 至 2010-12-31

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中文摘要
翻译
金属合金在工程上的应用很大程度上是由于它们的高强度。最近,材料科学家发现,所谓的“纳米结构材料”进一步增强了这种强度。这些合金通常与传统金属相同,但具有细化到纳米级的特殊微观结构特征。然而,人们发现纳米结构材料控制强度和延展性的主要机制与传统结构材料不同。这种新的物理学还没有被很好地理解,但它发生在现代原子模拟和纳米实验都能达到的长度尺度上。这是一种独特的机制,使模拟和实验之间的直接联系成为可能。
英文摘要
Metallic alloys are useful for engineering applications largely due to their high strength. Recently, materials scientists have discovered that this strength is further enhanced by so-called "nano-structured materials". These are often the same alloys as conventional metals, but with special microstructural features refined to the nanometer-scale. One finds, however, that the primary mechanisms governing strength and ductility are different in nano-structured materials than in conventional ones. This new physics is not well understood, but occurs on length scales accessible to both modern atomistic simulation and nano-experiments. It is a unique regime where a direct link between simulation and experimentation is possible.
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  • 财政年份:
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  • 资助金额:
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  • 财政年份:
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  • 依托单位:
From nano-mechanics to materials design: using first principles data to engineer high-performance materials and systems.
  • 批准号:
    RGPIN-2019-06313
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $2.04万
  • 财政年份:
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