On the nanoindentation behaviour of complex ferritic phases

被引：29
作者：
He, B. B. [1 ]
Zhu, K. [2 ]
Huang, M. X. [1 ]
机构：
[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
[2] ArcelorMittal Res, F-57283 Maizieres Les Metz, France
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2014年 / 94卷 / 07期
关键词：
nanoindentation; martensites; ferrites; bainites; nanohardness; TRANSFORMATION-INDUCED PLASTICITY; LATH MARTENSITE; AUSTENITE; STRENGTH; MICROSTRUCTURES; MORPHOLOGY; HARDNESS; BAINITE; GRAINS;
D O I：
10.1080/09500839.2014.921348
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Systematic nanohardness measurements on martensite, lower bainite, upper bainite, granular bainite and ferrite were carried out using nanoindentation technique. The variation of nanohardness among these ferritic phases is ascribed to the different capacity of strengthening factors in confining the geometrically necessary dislocation within indentation plastic zone. The large scatter of nanohardness distribution in lath martensite may be due to the uneven block boundary strengthening, inhomogeneous dislocation forest strengthening and the different extent of auto-tempering.
引用
收藏
页码：439 / 446
页数：8
相关论文
共 25 条
  • [1] Investigation of strain-induced martensitic transformation in metastable austenite using nanoindentation
    Ahn, T. -H.
    Oh, C. -S.
    Kim, D. H.
    Oh, K. H.
    Bei, H.
    George, E. P.
    Han, H. N.
    [J]. SCRIPTA MATERIALIA, 2010, 63 (05) : 540 - 543
  • [2] In situ synchrotron analysis of lattice rotations in individual grains during stress-induced martensitic transformations in a polycrystalline CuAlBe shape memory alloy
    Berveiller, S.
    Malard, B.
    Wright, J.
    Patoor, E.
    Geandier, G.
    [J]. ACTA MATERIALIA, 2011, 59 (09) : 3636 - 3645
  • [3] Very strong bainite
    Caballero, FG
    Bhadeshia, HKDH
    [J]. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 2004, 8 (3-4) : 251 - 257
  • [4] Indentation size effect in metallic materials:: Modeling strength from pop-in to macroscopic hardness using geometrically necessary dislocations
    Durst, Karsten
    Backes, Bjoern
    Franke, Oliver
    Goeken, Mathias
    [J]. ACTA MATERIALIA, 2006, 54 (09) : 2547 - 2555
  • [5] Estimation of dislocation density in bainitic microstructures using high-resolution dilatometry
    Garcia-Mateo, C.
    Caballero, F. G.
    Capdevila, C.
    Garcia de Andres, C.
    [J]. SCRIPTA MATERIALIA, 2009, 61 (09) : 855 - 858
  • [6] Nanoindentation investigation on the mechanical stability of individual austenite grains in a medium-Mn transformation-induced plasticity steel
    He, B. B.
    Huang, M. X.
    Liang, Z. Y.
    Ngan, A. H. W.
    Luo, H. W.
    Shi, J.
    Cao, W. Q.
    Dong, H.
    [J]. SCRIPTA MATERIALIA, 2013, 69 (03) : 215 - 218
  • [7] Transformation-induced plasticity for high strength formable steels
    Jacques, PJ
    [J]. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 2004, 8 (3-4) : 259 - 265
  • [8] Crystallographic features of lath martensite in low-carbon steel
    Kitahara, H
    Ueji, R
    Tsuji, N
    Minamino, Y
    [J]. ACTA MATERIALIA, 2006, 54 (05) : 1279 - 1288
  • [9] Experimental and numerical analysis on formation of stable austenite during the intercritical annealing of 5Mn steel
    Luo, Haiwen
    Shi, Jie
    Wang, Chang
    Cao, Wenquan
    Sun, Xinjun
    Dong, Han
    [J]. ACTA MATERIALIA, 2011, 59 (10) : 4002 - 4014
  • [10] Indentation size effect in nanohardness
    Milman, Yu. V.
    Golubenko, A. A.
    Dub, S. N.
    [J]. ACTA MATERIALIA, 2011, 59 (20) : 7480 - 7487
123