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Texture Analysis of Additively Manufactured Ti-6Al-4V Deposited Using Different Scanning Strategies
Metallurgical and Materials Transactions A ( IF 2.2 ) Pub Date : 2020-10-13 , DOI: 10.1007/s11661-020-06040-4
Maria J. Quintana , Matthew J. Kenney , Priyanka Agrawal , Peter C. Collins

A limited number of features that comprise the more wholistic materials state of electron beam, powder bed additively manufactured Ti-6Al-4V have been investigated. Coupling scanning electron microscopy and orientation microscopy, the microstructure and texture of samples produced using different AM scan strategies have been studied at various positions along the build height of the samples. Both the qualitative and quantitative results, including parent beta grain orientation, alpha lath texture, and predominant type of microstructure (colony vs basketweave), and their length scales are included. Both the scan strategy used for the build and the time between proximal molten pool passes have been shown to significantly influence the resulting microstructure and texture.



中文翻译:

采用不同扫描策略沉积的增材制造的Ti-6Al-4V的织构分析

已经研究了有限数量的特征,这些特征包括电子束的更全面的材料状态,粉末床添加制造的Ti-6Al-4V。结合扫描电子显微镜和取向显微镜,已经研究了沿着样品的构造高度在不同位置使用不同的AM扫描策略生产的样品的微观结构和质地。定性和定量结果,包括母体β晶粒取向,α板条织构以及主要的微观结构类型(菌落篮子编织),以及它们的长度尺度。已显示用于构造的扫描策略和近端熔池通过之间的时间都显着影响所得的微观结构和质地。

更新日期:2020-11-13
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