Internal friction and brittle-ductile transition in structural materials

被引：18

作者：

Kardashev, B. K. ^{[1
]}

Nefagin, A. S.

Ermolaev, G. N.

Leont'eva-Smirnova, M. V.

Potapenko, M. M.

Chernov, V. A.

机构：

[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

[2] AA Bochvar Inorgan Mat Res Inst, Moscow 123060, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2006年 / 32卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

VANADIUM; PROGRESS; ALLOYS; FUSION;

D O I：

10.1134/S1063785006090197

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The temperature dependences of internal friction (ultrasound decrement) and impact toughness of bcc metals (Fe-12Cr-W-V-Ta-B-C ferritic/martensitic steel, V-4Ti-4Cr vanadium-based alloy) have been studied in a temperature range from 100 to 300 K. The acoustic and mechanical characteristics exhibit correlated variation. The use of nondestructive acoustic techniques for the investigation of mechanisms of the brittle-ductile transition in metallic structural materials is experimentally justified.

引用

页码：799 / 801

页数：3

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