Development of oxidation and fretting-wear resistant coatings on Titanium Aluminide (TiAl) components

铝化钛 (TiAl) 部件抗氧化和微动磨损涂层的开发

基本信息

  • 批准号:
    500663-2016
  • 负责人:
  • 金额:
    $ 11.66万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2019
  • 资助国家:
    加拿大
  • 起止时间:
    2019-01-01 至 2020-12-31
  • 项目状态:
    已结题

项目摘要

The thrust-to-weight ratio of a gas-turbine engine strongly depends on the performance of the materials involved. In order to achieve high engine efficiency, one can particularly benefit from the use of lightweight materials with high temperature resistance and high mechanical strength. In recent years, TiAl based alloys have been shown to exhibit considerable potential for high-temperature applications in aerospace due to their numerous attractive properties including low density, high specific strength, high elastic modulus and good creep resistance at high temperature. However, most of the applications involving TiAl alloys do not exceed 750°C due to mechanical and environmental limitations for this type of material. Above such high temperature non-protective mixture of Al2O3 and TiO2 is formed, leading to the Ti-alloy oxidation and deterioration. In response to the above limitations, the main objective of the proposed research is to develop coatings and surface treatments that would allow the use of intermetallic TiAl components at elevated temperatures (750-850°C). These coatings should simultaneously possess good oxidation and fretting-wear resistance, and they should not compromise the component fatigue characteristics. This research activity represents a possibility to strongly impact also other technological areas.
燃气轮机发动机的推重比很大程度上取决于所用材料的性能。为了实现高发动机效率,特别是使用具有耐高温和高机械强度的轻质材料。近年来,TiAl基合金由于具有低密度、高比强度、高弹性模量和良好的高温抗蠕变性能,在航空航天领域显示出巨大的应用潜力。然而,由于这种材料的机械和环境限制,大多数涉及TiAl合金的应用不超过750°C。在高温以上形成无保护性的Al_2O_3和TiO_2混合物,导致钛合金氧化变质。针对上述限制,拟议研究的主要目标是开发能够在高温(750-850摄氏度)下使用金属间化合物TiAl组分的涂层和表面处理。这些涂层应同时具有良好的氧化和微动磨损性能,并且不应损害部件的疲劳特性。这项研究活动也有可能对其他技术领域产生重大影响。

项目成果

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KlembergSapieha, Jolanta其他文献

KlembergSapieha, Jolanta的其他文献

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{{ truncateString('KlembergSapieha, Jolanta', 18)}}的其他基金

Nanostructured protective coatings for harsh environments
适用于恶劣环境的纳米结构保护涂层
  • 批准号:
    RGPIN-2022-05243
  • 财政年份:
    2022
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual
Hard nanostructured protective coatings with smart stress design
具有智能应力设计的硬质纳米结构保护涂层
  • 批准号:
    RGPIN-2016-06409
  • 财政年份:
    2020
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual
Hard nanostructured protective coatings with smart stress design
具有智能应力设计的硬质纳米结构保护涂层
  • 批准号:
    RGPIN-2016-06409
  • 财政年份:
    2019
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual
Hard nanostructured protective coatings with smart stress design
具有智能应力设计的硬质纳米结构保护涂层
  • 批准号:
    RGPIN-2016-06409
  • 财政年份:
    2018
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual
Development of oxidation and fretting-wear resistant coatings on Titanium Aluminide (TiAl) components
铝化钛 (TiAl) 部件抗氧化和微动磨损涂层的开发
  • 批准号:
    500663-2016
  • 财政年份:
    2018
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Collaborative Research and Development Grants
Hard nanostructured protective coatings with smart stress design
具有智能应力设计的硬质纳米结构保护涂层
  • 批准号:
    RGPIN-2016-06409
  • 财政年份:
    2017
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual
Nanomechanical testing platform
纳米力学测试平台
  • 批准号:
    RTI-2018-00923
  • 财政年份:
    2017
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Research Tools and Instruments
Development of oxidation and fretting-wear resistant coatings on Titanium Aluminide (TiAl) components
铝化钛 (TiAl) 部件抗氧化和微动磨损涂层的开发
  • 批准号:
    500663-2016
  • 财政年份:
    2017
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Collaborative Research and Development Grants
Development of oxidation and fretting-wear resistant coatings on Titanium Aluminide (TiAl) components
铝化钛 (TiAl) 部件抗氧化和微动磨损涂层的开发
  • 批准号:
    500663-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Collaborative Research and Development Grants
Hard nanostructured protective coatings with smart stress design
具有智能应力设计的硬质纳米结构保护涂层
  • 批准号:
    RGPIN-2016-06409
  • 财政年份:
    2016
  • 资助金额:
    $ 11.66万
  • 项目类别:
    Discovery Grants Program - Individual

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