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

页码：1250 / 1254

页数：5

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