Mechanical Behavior of Three-Dimensional Braided Nickel-Based Superalloys Synthesized via Pack Cementation

被引：0
|
作者：
Lippitz, Nicolas [1 ]
Erdeniz, Dinc [2 ]
Sharp, Keith W. [3 ]
Dunand, David C. [2 ]
机构：
[1] TU Braunschweig, Inst Mat, Langer Kamp 8, D-38106 Braunschweig, Germany
[2] Northwestern Univ, Dept Mat Sci & Engn, 2220 Campus Dr, Evanston, IL 60208 USA
[3] TexTech Ind Inc, 1 City Ctr, Portland, ME 04101 USA
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2018年 / 49A卷 / 03期
关键词：
CELLULAR METALS; MICROLATTICES; FABRICATION; LATTICES;
D O I：
10.1007/s11661-018-4467-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Braided tubes of Ni-based superalloys are fabricated via three-dimensional (3-D) braiding of ductile Ni-20Cr (wt pct) wires followed by post-textile gas-phase alloying with Al and Ti to create, after homogenization and aging, gamma/gamma' strengthened lightweight, porous structures. Tensile tests reveal an increase in strength by 100 MPa compared to as-braided Ni-20Cr (wt pct). An interrupted tensile test, combined with X-ray tomographic scans between each step, sheds light on the failure behavior of the braided superalloy tubes.
引用
收藏
页码：817 / 821
页数：5
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