Internal friction and brittle-ductile transition in structural materials

被引：17
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
收藏
页码：799 / 801
页数：3
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