Creep, Strength, and Fracture Toughness of Niobium-Based Intermetallic-Hardened Laminated Composites

被引：1
|
作者：
Prokhorov, D., V [1 ]
Korzhov, V. P. [1 ]
Kiiko, V. M. [1 ]
Zheltyakova, I. S. [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
来源：
RUSSIAN METALLURGY | 2021年 / 2021卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
laminated composite material; niobium alloy; multilayer stack; diffusion welding; strength; fracture toughness; creep;
D O I：
10.1134/S003602952110027X
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structure, the strength at high temperatures, and the fracture toughness of the composites fabricated under various conditions of diffusion welding of stacks of Nb foils with coatings made of a mixture of Nb, Ti, Mo, Si, ZrH2, Cr, and Al powders are studied. The strength in the temperature range of 1100-1300 degrees C changes from 490 to 350 MPa, the fracture toughness at room temperature is 15.6 MPa m(1/2), and the creep resistance determined in 100-h tests at a residual strain tolerance of 1% at 1150 degrees C is 90 MPa.
引用
收藏
页码：1250 / 1254
页数：5
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