Droplet-Plasma Interactions in Suspension Plasma Spray (SPS) and in Solution Precursor Plasmas Spray (SPPS)
悬浮液等离子体喷雾 (SPS) 和溶液前体等离子体喷雾 (SPPS) 中的液滴-等离子体相互作用
基本信息
- 批准号:RGPIN-2020-06020
- 负责人:
- 金额:$ 4.01万
- 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:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Thermal spray coating process is an enabling technology which is employed to protect components from harsh environments and significantly enhances the performance of these components. Due to a combination of factors, such as rapid progress in materials science, development of additive manufacturing and 3D printing, as well as the increasing environmental challenges being brought on by climate change. Protective coatings and the related surface technologies are an indispensable part of strategic development roadmaps in many industrial sectors in which problems linked to wear, erosion, corrosion and thermal efficiency significantly increase manufacturing, maintenance and operating costs. As an example, in 2013, the US National Association of Corrosion Engineers estimated that the cost of corrosion, wear and other materials deterioration in the US alone exceeded $US 276 B. Such massive costs can be substantially reduced through deposition of better protective coatings. Suspension and solution precursor plasma spraying (SPS and SPPS), which is the subject of the proposed study, are two new emerging and very promising coating technologies that have produced very high-quality coatings. In the solution plasma spray (SPS) process, fine powders are suspended in a liquid and are sprayed into a high temperature plasma jet. By suspending the powder in a liquid, normal feeding problems associated with feeding fine powders into a thermal plasma are avoided. In the solution precursor plasma spray (SPPS), a precursor is formulated by dissolving salts in a liquid and spraying them into a plasma jet. As the liquid evaporates, the droplets become supersaturated, resulting in the nucleation of fine particles that will be melted and deposited onto a substrate. SPS and SPPS coatings have shown considerable advantages over the traditional (powder) thermal spray coatings. These processes deposit coatings with a particle size ranging from a few tens of nanometers to just a few micrometers. It has been shown that finely structured coatings have better mechanical, thermal and chemical properties. However, compared to the traditional powder spray coating process, SPPS and SPPS are far more complicated and much research is needed to better understand the details of these two processes. In particular, how do SPS and SPPS droplets interact with plasma is fundamental to understanding of these processes. This 5-year research program proposes the development of two accurate mathematical/computational models of the interaction of a single SPS and SPPS droplet with a thermal plasma under controlled conditions. The models will be validated by introduction of single droplets into a newly developed radio frequency inductively coupled plasma torch (RF-ICP). Employing particle image velocimetry (PIV), the droplet's trajectory will be monitored, the generated particles will be collected on a substrate at different distances from the torch exit for analysis and characterization.
热喷涂工艺是一种使能技术,用于保护部件免受恶劣环境的影响,并显着提高这些部件的性能。由于材料科学的快速进步,增材制造和3D打印的发展以及气候变化带来的日益严峻的环境挑战等因素的综合作用。保护涂层和相关的表面技术是许多工业部门战略发展路线图中不可或缺的一部分,其中与磨损,侵蚀,腐蚀和热效率相关的问题显着增加了制造,维护和运营成本。例如,2013年,美国全国腐蚀工程师协会估计,仅在美国,腐蚀、磨损和其他材料劣化的成本就超过276 B美元。通过沉积更好的保护涂层,可以大大降低这种巨大的成本。悬浮液和溶液前体等离子喷涂(SPS和SPPS),这是拟议的研究的主题,是两个新兴的和非常有前途的涂层技术,产生了非常高质量的涂层。 在溶液等离子喷涂(SPS)工艺中,细粉末悬浮在液体中并被喷涂到高温等离子射流中。通过将粉末悬浮在液体中,避免了与将细粉末进料到热等离子体中相关的正常进料问题。 在溶液前驱体等离子体喷涂(SPPS)中,通过将盐溶解在液体中并将其喷涂到等离子体射流中来配制前驱体。随着液体蒸发,液滴变得过饱和,导致细颗粒的成核,这些细颗粒将被熔化并沉积到基底上。 SPS和SPPS涂层与传统的(粉末)热喷涂涂层相比显示出相当大的优势。这些工艺存款涂层的粒径范围从几十纳米到几微米。研究表明,结构精细的涂层具有更好的机械性能、热性能和化学性能。然而,与传统的粉末喷涂工艺相比,SPPS和SPPS要复杂得多,需要进行大量的研究才能更好地了解这两种工艺的细节。特别是,SPS和SPPS液滴如何与等离子体相互作用是理解这些过程的基础。这个为期5年的研究计划提出了两个精确的数学/计算模型的发展,一个单一的SPS和SPPS液滴与热等离子体在受控条件下的相互作用。该模型将通过引入新开发的射频电感耦合等离子体炬(RF-ICP)的单液滴进行验证。采用粒子图像测速技术(PIV),液滴的轨迹将被监测,所产生的粒子将被收集在离火炬出口不同距离的基底上,用于分析和表征。
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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Mostaghimi, Javad其他文献
Thermal Plasma Sources: How Well are They Adopted to Process Needs?
- DOI:
10.1007/s11090-015-9616-y - 发表时间:
2015-05-01 - 期刊:
- 影响因子:3.6
- 作者:
Mostaghimi, Javad;Boulos, Maher I. - 通讯作者:
Boulos, Maher I.
New smoothed particle hydrodynamics (SPH) formulation for modeling heat conduction with solidification and melting
- DOI:
10.1080/10407790.2017.1293972 - 发表时间:
2017-01-01 - 期刊:
- 影响因子:1
- 作者:
Farrokhpanah, Amirsaman;Bussmann, Markus;Mostaghimi, Javad - 通讯作者:
Mostaghimi, Javad
Measurement of surface tension, viscosity, and density at high temperatures by free-fall drop oscillation
- DOI:
10.1007/s11663-007-9120-8 - 发表时间:
2008-04-01 - 期刊:
- 影响因子:3
- 作者:
Moradian, Ala;Mostaghimi, Javad - 通讯作者:
Mostaghimi, Javad
Hydrocarbon-induced reversible wetting behaviors of hierarchically-structured yttrium oxide coatings
- DOI:
10.1016/j.surfcoat.2022.128996 - 发表时间:
2022-10-25 - 期刊:
- 影响因子:5.4
- 作者:
Xu, Pengyun;Sui, Xiaomu;Mostaghimi, Javad - 通讯作者:
Mostaghimi, Javad
High-Sensitivity and High-Speed Single-Particle Inductively Coupled Plasma Spectrometry with the Conical Torch
- DOI:
10.1021/acs.analchem.0c01903 - 发表时间:
2020-09-01 - 期刊:
- 影响因子:7.4
- 作者:
Alavi, Sina;Guo, Xiaoman;Mostaghimi, Javad - 通讯作者:
Mostaghimi, Javad
Mostaghimi, Javad的其他文献
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{{ truncateString('Mostaghimi, Javad', 18)}}的其他基金
Droplet-Plasma Interactions in Suspension Plasma Spray (SPS) and in Solution Precursor Plasmas Spray (SPPS)
悬浮液等离子体喷雾 (SPS) 和溶液前体等离子体喷雾 (SPPS) 中的液滴-等离子体相互作用
- 批准号:
RGPIN-2020-06020 - 财政年份:2022
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
Droplet-Plasma Interactions in Suspension Plasma Spray (SPS) and in Solution Precursor Plasmas Spray (SPPS)
悬浮液等离子体喷雾 (SPS) 和溶液前体等离子体喷雾 (SPPS) 中的液滴-等离子体相互作用
- 批准号:
RGPIN-2020-06020 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
Copper embedded fabrics and facemasks for rapid, irreversible destruction of Covid-19
嵌入铜的织物和面罩可快速、不可逆转地破坏 Covid-19
- 批准号:
555188-2020 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Alliance Grants
Towards a Complete Model of DC Plasma Spray Coating Process
建立直流等离子喷涂工艺的完整模型
- 批准号:
RGPIN-2015-06557 - 财政年份:2019
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
Towards a Complete Model of DC Plasma Spray Coating Process
建立直流等离子喷涂工艺的完整模型
- 批准号:
RGPIN-2015-06557 - 财政年份:2018
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
Towards a Complete Model of DC Plasma Spray Coating Process
建立直流等离子喷涂工艺的完整模型
- 批准号:
RGPIN-2015-06557 - 财政年份:2017
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
A Holow Cathode DC Plasma Torch for Waste Treatment
用于废物处理的空心阴极直流等离子炬
- 批准号:
521972-2017 - 财政年份:2017
- 资助金额:
$ 4.01万 - 项目类别:
Engage Grants Program
Towards a Complete Model of DC Plasma Spray Coating Process
建立直流等离子喷涂工艺的完整模型
- 批准号:
RGPIN-2015-06557 - 财政年份:2016
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
Towards a Complete Model of DC Plasma Spray Coating Process
建立直流等离子喷涂工艺的完整模型
- 批准号:
RGPIN-2015-06557 - 财政年份:2015
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
A compact and efficient heat exchanger for cooling graphic processing units (GPU)
用于冷却图形处理单元 (GPU) 的紧凑高效热交换器
- 批准号:
462846-2014 - 财政年份:2014
- 资助金额:
$ 4.01万 - 项目类别:
Engage Grants Program
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