Microstructural study and thermal modeling of laser formed Ti-6Al-4V

被引：0
|
作者：
Kelly, SM [1 ]
Kampe, SL [1 ]
机构：
[1] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
来源：
ELECTROACTIVE POLYMERS AND RAPID PROTOTYPING | 2002年 / 698卷
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D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A two-dimensional thermal model for a commercial laser additive manufacturing (LAM) process has been developed to predict the thermal history of Laser Formed Ti-6Al-4V single line (rib-on-web) builds. The thermal model has been developed to assist in the prediction and interpretation of the as-processed microstructure, which evolves as a result of the complex thermal history that develops as a result of the deposition of multiple layers of material. In the current work, the model is used to show that the presence of layer bands is a result of different regions in the build experiencing varying super beta transus time, temperature, and cooling rate conditions within different regions in the build.
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页码：293 / 299
页数：7
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