The effect of ferrite-martensite morphology on the scratch and abrasive wear behaviour of a dual phase construction steel

被引：33
作者：
Xu, Xiaojun [1 ]
van der Zwaag, Sybrand [1 ]
Xu, Wei [1 ,2 ]
机构：
[1] Delft Univ Technol, Fac Aerosp Engn, Novel Aerosp Mat Grp, NL-2629 HS Delft, Netherlands
[2] Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China
来源：
WEAR | 2016年 / 348卷
关键词：
Abrasion resistance; Dual phase steels; Ferrite-martensite morphology; Scratch test; Strain hardening; Failure mechanisms; WORK-HARDENING BEHAVIOR; VOLUME FRACTION; DEFORMATION-BEHAVIOR; MICROSTRUCTURAL MORPHOLOGY; TENSILE PROPERTIES; HEAT-TREATMENT; STRENGTH; RESISTANCE; AUSTENITE; HARDNESS;
D O I：
10.1016/j.wear.2015.12.005
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A systematic experimental investigation concerning the effect of ferrite-martensite morphology on the scratch and abrasion resistance of ferrite-martensite dual phase (DP) steels is reported. A hot rolled 22MnB5 steel was subjected to different heat treatments to generate dual phase microstructures with different ferrite-martensite morphologies. The effects of morphology on the scratch resistance and the corresponding failure mechanisms were unravelled using a multi-pass dual-indenter (MPDI) scratch test applying different load combinations. Results show that the ferrite-martensite morphology has a significant influence on scratch resistance and that the effect is contact load dependent. The scratch behaviour is linked to the strength coefficient K in the Hollomon model (sigma = K epsilon(n)) as well as the initial indentation hardness. Results suggest that the strength coefficient K corresponds well with the scratch resistance. The optimal microstructure to yield the best combination of abrasion resistance and hardness depends on the working conditions. At a low loading condition the relative ranking of the scratch resistance of the various microstructures created is in good agreement with that of the ASTM G65 abrasion test. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：148 / 157
页数：10
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