Instrumented indentation study of bainite/martensite duplex microstructure

Rangasayee Kannan; Yiyu Wang; Meisam Nouri; Dongyang Li; Leijun Li

doi:10.1016/j.msea.2017.12.052

Instrumented indentation study of bainite/martensite duplex microstructure

Rangasayee Kannan
, Yiyu Wang
, Meisam Nouri
, Dongyang Li
, Leijun Li

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

18 Scopus citations

Abstract

Local mechanical properties of inverse bainite have been characterized using instrumented indentation. The results show that the hardness and Young's modulus of inverse bainite decreased with the increase in transformation time. The Young's modulus was significantly different from that of the martensitic matrix. Local misorientation analysis confirmed that the dislocation density in the inverse bainite decreases, eventually reducing Young's modulus of inverse bainite as transformation times are increased.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Materials Science and Engineering: A
Volume	713
DOIs	https://doi.org/10.1016/j.msea.2017.12.052
State	Published - Jan 24 2018
Externally published	Yes

Keywords

Elastic inhomogeneity
Hypereutectoid steel
Instrumented indentation
Inverse bainite

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10.1016/j.msea.2017.12.052

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title = "Instrumented indentation study of bainite/martensite duplex microstructure",

abstract = "Local mechanical properties of inverse bainite have been characterized using instrumented indentation. The results show that the hardness and Young's modulus of inverse bainite decreased with the increase in transformation time. The Young's modulus was significantly different from that of the martensitic matrix. Local misorientation analysis confirmed that the dislocation density in the inverse bainite decreases, eventually reducing Young's modulus of inverse bainite as transformation times are increased.",

keywords = "Elastic inhomogeneity, Hypereutectoid steel, Instrumented indentation, Inverse bainite",

author = "Rangasayee Kannan and Yiyu Wang and Meisam Nouri and Dongyang Li and Leijun Li",

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AU - Kannan, Rangasayee

AU - Wang, Yiyu

AU - Nouri, Meisam

AU - Li, Dongyang

AU - Li, Leijun

PY - 2018/1/24

Y1 - 2018/1/24

N2 - Local mechanical properties of inverse bainite have been characterized using instrumented indentation. The results show that the hardness and Young's modulus of inverse bainite decreased with the increase in transformation time. The Young's modulus was significantly different from that of the martensitic matrix. Local misorientation analysis confirmed that the dislocation density in the inverse bainite decreases, eventually reducing Young's modulus of inverse bainite as transformation times are increased.

AB - Local mechanical properties of inverse bainite have been characterized using instrumented indentation. The results show that the hardness and Young's modulus of inverse bainite decreased with the increase in transformation time. The Young's modulus was significantly different from that of the martensitic matrix. Local misorientation analysis confirmed that the dislocation density in the inverse bainite decreases, eventually reducing Young's modulus of inverse bainite as transformation times are increased.

KW - Elastic inhomogeneity

KW - Hypereutectoid steel

KW - Instrumented indentation

KW - Inverse bainite

UR - https://www.scopus.com/pages/publications/85038107399

U2 - 10.1016/j.msea.2017.12.052

DO - 10.1016/j.msea.2017.12.052

M3 - Article

AN - SCOPUS:85038107399

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SP - 1

EP - 6

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

ER -

Instrumented indentation study of bainite/martensite duplex microstructure

Abstract

Keywords

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