{"title":"Freeform Fabrication of Titanium Aluminide via Electron Beam Melting Using Prealloyed and Blended Powders","authors":"D. Cormier, O. Harrysson, T. Mahale, H. West","doi":"10.1155/2007/34737","DOIUrl":null,"url":null,"abstract":"Titanium aluminide (TiAl) is an intermetallic compound possessing excellent high-temperature performance while having significantly lower density than nickel-based superalloys. This paper presents preliminary results of experiments aimed at processing TiAl via the electron beam melting (EBM) process. Two processing routes are explored. The first uses prealloyed powder, whereas the second explores controlled reaction synthesis. Issues such as processing parameters, vaporization of alloying elements, microstructure, and properties are discussed.","PeriodicalId":7345,"journal":{"name":"Advances in Materials Science and Engineering","volume":"2007 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2007/34737","citationCount":"99","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Materials Science and Engineering","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1155/2007/34737","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: 99
Abstract
Titanium aluminide (TiAl) is an intermetallic compound possessing excellent high-temperature performance while having significantly lower density than nickel-based superalloys. This paper presents preliminary results of experiments aimed at processing TiAl via the electron beam melting (EBM) process. Two processing routes are explored. The first uses prealloyed powder, whereas the second explores controlled reaction synthesis. Issues such as processing parameters, vaporization of alloying elements, microstructure, and properties are discussed.
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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