Precipitation of DO19 type metastable phase in Mg-Sn alloy

D. H. Kim; Y. K. Kim; Do H. Kim; W. T. Kim

doi:10.1016/j.matlet.2013.09.005

Precipitation of DO₁₉ type metastable phase in Mg-Sn alloy

D. H. Kim, Y. K. Kim, Do H. Kim, W. T. Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Formation of metastable precipitates in the binary Mg-Sn alloy has been investigated in the present study. The Mg-1.5 at%Sn solid solution alloy exhibits two exothermic reactions during heating up to 673 K, where lower temperature reaction with onset temperature of 364 K corresponds to the formation of metastable DO₁₉ type precipitates, while higher temperature reaction with onset temperature of 466 K to the formation of stable Mg₂Sn precipitates. The comparison of aging behavior at 423 K and 473 K indicates that lower temperature aging at 423 K results in retardation of peak aging time, but higher peak hardness due to the precipitation of DO ₁₉ type phase.

Original language	English
Pages (from-to)	50-53
Number of pages	4
Journal	Materials Letters
Volume	113
DOIs	https://doi.org/10.1016/j.matlet.2013.09.005
Publication status	Published - 2013

Bibliographical note

Funding Information:
This study was supported by the World Premier Materials (WPM) Project funded by the Korea Ministry of Knowledge and Economy , and the Global Research Laboratory Program of Korea Ministry of Education, Science and Technology . Y.K. Kim is grateful for the support from the Third Stage of Brain Korea 21 Project in 2012.

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.matlet.2013.09.005

Cite this

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title = "Precipitation of DO19 type metastable phase in Mg-Sn alloy",

abstract = "Formation of metastable precipitates in the binary Mg-Sn alloy has been investigated in the present study. The Mg-1.5 at%Sn solid solution alloy exhibits two exothermic reactions during heating up to 673 K, where lower temperature reaction with onset temperature of 364 K corresponds to the formation of metastable DO19 type precipitates, while higher temperature reaction with onset temperature of 466 K to the formation of stable Mg2Sn precipitates. The comparison of aging behavior at 423 K and 473 K indicates that lower temperature aging at 423 K results in retardation of peak aging time, but higher peak hardness due to the precipitation of DO 19 type phase.",

author = "Kim, {D. H.} and Kim, {Y. K.} and Kim, {Do H.} and Kim, {W. T.}",

note = "Funding Information: This study was supported by the World Premier Materials (WPM) Project funded by the Korea Ministry of Knowledge and Economy , and the Global Research Laboratory Program of Korea Ministry of Education, Science and Technology . Y.K. Kim is grateful for the support from the Third Stage of Brain Korea 21 Project in 2012.",

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doi = "10.1016/j.matlet.2013.09.005",

language = "English",

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T1 - Precipitation of DO19 type metastable phase in Mg-Sn alloy

AU - Kim, D. H.

AU - Kim, Y. K.

AU - Kim, Do H.

AU - Kim, W. T.

N1 - Funding Information: This study was supported by the World Premier Materials (WPM) Project funded by the Korea Ministry of Knowledge and Economy , and the Global Research Laboratory Program of Korea Ministry of Education, Science and Technology . Y.K. Kim is grateful for the support from the Third Stage of Brain Korea 21 Project in 2012.

PY - 2013

Y1 - 2013

N2 - Formation of metastable precipitates in the binary Mg-Sn alloy has been investigated in the present study. The Mg-1.5 at%Sn solid solution alloy exhibits two exothermic reactions during heating up to 673 K, where lower temperature reaction with onset temperature of 364 K corresponds to the formation of metastable DO19 type precipitates, while higher temperature reaction with onset temperature of 466 K to the formation of stable Mg2Sn precipitates. The comparison of aging behavior at 423 K and 473 K indicates that lower temperature aging at 423 K results in retardation of peak aging time, but higher peak hardness due to the precipitation of DO 19 type phase.

AB - Formation of metastable precipitates in the binary Mg-Sn alloy has been investigated in the present study. The Mg-1.5 at%Sn solid solution alloy exhibits two exothermic reactions during heating up to 673 K, where lower temperature reaction with onset temperature of 364 K corresponds to the formation of metastable DO19 type precipitates, while higher temperature reaction with onset temperature of 466 K to the formation of stable Mg2Sn precipitates. The comparison of aging behavior at 423 K and 473 K indicates that lower temperature aging at 423 K results in retardation of peak aging time, but higher peak hardness due to the precipitation of DO 19 type phase.

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