The Effect of Friction Stir Processing on the Microstructure and Mechanical Properties of an Aluminum Lithium Alloy

被引:0
作者
Tanya L. Giles
Keiichiro Oh-Ishi
Alexander P. Zhilyaev
Srinivasan Swaminathan
Murray W. Mahoney
Terry R. McNelley
机构
[1] Naval Postgraduate School,Center for Materials Science and Engineering, Department of Mechanical and Astronautical Engineering
[2] United States Coast Guard,Machinery Branch, Marine Safety Center
[3] National Institute for Materials Science,Institute for Metals Superplasticity Problems
[4] RAS,undefined
[5] GE Global Research,undefined
[6] Rockwell (now Teledyne) Scientific Company,undefined
来源
Metallurgical and Materials Transactions A | 2009年 / 40卷
关键词
Friction Stir Processing; Orientation Imaging Microscopy; Tool Shoulder; Shear Texture; Maximum Normal Stress;
D O I
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学科分类号
摘要
Friction stir processing (FSP) was conducted on a wrought plate of AA2099 to refine and homogenize the microstructure and enhance the through-thickness ductility and fracture resistance. Optical microscopy (OM), orientation imaging microscopy (OIM), and transmission electron microscopy (TEM) methods were employed to evaluate microstructure and microtexture in as-received material and in material subjected to FSP as well as postprocessing heat treatments. Hardness and orientation-dependent tensile test data were combined with anticlastic bending fatigue data to characterize the as-received, processed, and processed and heat-treated conditions of the material.
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页码:104 / 115
页数:11
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