{"title":"Some Material Characteristics of Cold-Sprayed Structures","authors":"V. Champagne, D. Helfritch, M. Trexler","doi":"10.1155/2007/27347","DOIUrl":null,"url":null,"abstract":"The deposition and consolidation of metal powders by means of cold spray are methods whereby powder particles are accelerated to high velocity through entrainment in a gas undergoing expansion in a rocket nozzle and are subsequently impacted upon a surface. The impacted powder particles form a consolidated structure which can be several centimeters thick. The characteristics of this structure depend on the initial characteristics of the metal powder and upon impact velocity. The influence of impact velocity on strain hardening and porosity are examined. A materials model is proposed for these phenomena, and model calculation is compared with experiment for the cold spraying of aluminum.","PeriodicalId":7345,"journal":{"name":"Advances in Materials Science and Engineering","volume":"2007 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2007/27347","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Materials Science and Engineering","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1155/2007/27347","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 14
Abstract
The deposition and consolidation of metal powders by means of cold spray are methods whereby powder particles are accelerated to high velocity through entrainment in a gas undergoing expansion in a rocket nozzle and are subsequently impacted upon a surface. The impacted powder particles form a consolidated structure which can be several centimeters thick. The characteristics of this structure depend on the initial characteristics of the metal powder and upon impact velocity. The influence of impact velocity on strain hardening and porosity are examined. A materials model is proposed for these phenomena, and model calculation is compared with experiment for the cold spraying of aluminum.
期刊介绍：
Advances in Materials Science and Engineering is a broad scope journal that publishes articles in all areas of materials science and engineering including, but not limited to:
-Chemistry and fundamental properties of matter
-Material synthesis, fabrication, manufacture, and processing
-Magnetic, electrical, thermal, and optical properties of materials
-Strength, durability, and mechanical behaviour of materials
-Consideration of materials in structural design, modelling, and engineering
-Green and renewable materials, and consideration of materials’ life cycles
-Materials in specialist applications (such as medicine, energy, aerospace, and nanotechnology)
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