Nb-Si-B계에서 Nb+T2 공존 영역의 미세조직 특성

Title
Nb-Si-B계에서 Nb+T2 공존 영역의 미세조직 특성
Other Titles
Microstructure of the Nb-Si-B Alloys in the Nb+T2 Region
Authors
김영도김영도
Keywords
intermetallics; solidification; microstructure; hardness test; T2 phase
Issue Date
2015-01
Publisher
대한금속.재료학회
Citation
대한금속.재료학회지, v. 53, NO 1, Page. 43-50
Abstract
Intermetallic-based materials are interesting for high temperature structural applications becauseof their good mechanical properties and enhanced oxidation resistance. In this study microstructuralexamination of the Nb-Si-B alloys at Nb-rich compositions was performed. The Nb-rich corner of the Nb-Si-Bsystem is very attractive because the constituent phases are Nb (a ductile and tough phase with a high meltingtemperature) and T2 (a very hard intermetallic compound with favorable oxidation resistance), which makea good combination for high temperature structural materials. At compositions lower than 82 at%Nb themicrostructure shows the T2 primary phase and eutectic (T2+Nb), while the Nb primary phase and eutecticwere formed at higher compositions. Hardness tests (Rockwell A-scale and micro Vickers) were carried outto estimate the optimal composition for good mechanical properties.
URI
http://kiss.kstudy.com/journal/thesis_name.asp?tname=kiss2002&key=3283806http://hdl.handle.net/20.500.11754/21170
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE