中锰Q&P钢残余奥氏体的稳定性及其TRIP效应

doi:10.11896/j.issn.1005-023X.2018.04.021

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (1802KB)
Export: BibTeX | EndNote (RIS)

Abstract The influence of the macro stress state on retained austenite stability of a quenched and partitioned (Q&P) steel with Mn content of 7% was investigated by uniaxial tension and plane strain experiments. To evaluate the volume fraction of retained austenite under variable plastic strain, X-ray diffraction method was adopted. The deformation mechanism of the medium manganese Q&P steel was studied by observing the tensile curve, analyzing the change in microstructure of Q&P steel in deformation process by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results showed that the stress state had a great effect on the stability of retained austenite, and the plane strain was more conducive to the performance of the transformation induced plasticity (TRIP) effect. The tensile deformation characteristics of the 7Mn Q&P steel can be attributed to the interaction of ultrafine grain hardening mechanism and TRIP effect. The plastic deformation mechanism of the medium Q&P steel was mainly TRIP effect, the thin film and fine globular particles were more stable.

Key words： medium manganese Q&P steel; retained austenite stability transformation induced plasticity effect

Published: 25 February 2018

CLC number:

TG151

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	LI Hui
	CHEN Jiayong
	DUAN Xiaoge
	JIANG Haitao

Cite this article:

LI Hui,CHEN Jiayong,DUAN Xiaoge, et al. Stability and TRIP Effect of Retained Austenite of Medium Manganese Q&P Steel[J]. Materials Reports, 2018, 32(4): 611-615.

URL:

http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.04.021 OR http://www.mater-rep.com/EN/Y2018/V32/I4/611

1 Speer J G, Matlock D K, Cooman B C D, et al. Carbon partitioning into austenite after martensite transformation[J].Acta Materialia,2003,51(9):2611.
2 Santofimia M J, Zhao L, Sietsma J. Microstructural evolution of a low carbon steel during application of quenching and partitioning heat treatments after partial austenitization[J].Metallurgical and Materials Transactions A,2007,40(1):46.
3 Moor E D, Lacroix S, Samek L, et al. Dilatometric study of the quenching and partitioning process[C]∥The 3rd International Conference on Advanced Structural Steels.Gyeongju,Korea,2006:873.
4 Zhao Cai, Jiang Haitao,Tang Di,et al. Experimental research and heat treatment process of low carbon Si-Mn Q&P steel [J].Heat Treatment of Metals,2008,33(2):56(in Chinese).
赵才,江海涛,唐荻,等.低碳硅-锰系Q&P钢的热处理工艺及实验室研究[J].金属热处理,2008,33(2):56.
5 Santofimia M J, Nguyen-Minh T, Zhao L, et al. New low carbon Q&P steels containing film-like intercritical ferrite[J].Materials Science and Engineering A,2010,527(23):6429.
6 Zhao Zhengzhi, Liang Juhua, Wang Liecheng,et al. Influence of quenching and partitioning process on retained austenite fraction of cold-rolled high strength steel[J].Transactions of Materials and Heat Treatment,2015,36(7):81(in Chinese).
赵征志,梁驹华,汪烈承,等.Q&P工艺对冷轧高强钢中残留奥氏体的影响[J].材料热处理学报,2015,36(7):81.
7 Lin Zhangguo, Tang Di, Zheng Honghong, et al. Effects of annealing temperature on microstructure and mechanical properties of medium-manganese Q&P steel[J].Transactions of Materials and Heat Treatment,2015,36(7):42(in Chinese).
吝章国,唐荻,郑红红,等.退火温度对中锰Q&P钢组织性能的影响[J].材料热处理学报,2015,36(7):42.
8 Zhuang Baotong, Tang Di, Jiang Haitao,et al. Microstructural evolution in quenching & partitioning steel during partitioning process[J].Journal of University of Science and Technology Beijing,2012,34(11):1288(in Chinese).
庄宝潼,唐狄,江海涛,等.Q&P钢配分过程中的组织演变[J].北京科技大学学报,2012,34(11):1288.
9 Xiong X C, Chen B, Huang M X, et al. The effect of morphology on the stability of retained austenite in a quenched and partitioned steel[J].Scripta Materialia,2013,68(5):321.
10 Shan Tikun,Zhang Weigang,Li Shuhui,et al. The influence of the stress state on retained austenite stability in transformation induced plasticity steels[J].Journal of Shanghai Jiaotong University,2006(10):1691(in Chinese).
单体坤,张卫刚,李淑慧,等.应力状态对TRIP钢残余奥氏体稳定性的影响[J].上海交通大学学报,2006(10):1691.
11 Yu Haiyan. An experimental study on forming behavior of trip high-strength steel sheet for vehicles[J].Automotive Engineering,2007,29(8):731(in Chinese).
余海燕.汽车用TRIP高强度钢板的成形行为试验研究[J].汽车工程,2007,29(8):731.
12 Wang Jianjun, Jiao Guipeng, Liu Yandong, et al. Influence of quenching and partitioning process on microstructure and properties of a C-Si-Mn steel[J].Transactions of Materials and Heat Treatment,2013,34(3):104(in Chinese).
王建军,焦贵鹏,刘沿东,等.Q&P热处理工艺对C-Si-Mn钢组织性能的影响[J].材料热处理学报,2013,34(3):104.
13 Ren Y, Xie Z, Shang C. Regulation of retained austenite and its effect on the mechanical properties of low carbon steel[J].Acta Me-tallurgica Sinica,2012,48(9):1074.
14 Dai Yongjuan,Tang Di, Mi Zhenli,et al.The influence of manganese on the stacking fault energy and deformation mechanisms of the TWIP steel[J].Journal of Materials Engineering,2009(7):39(in Chinese).
代永娟,唐荻,米振莉,等.锰元素对TWIP钢层错能和变形机制的影响[J].材料工程,2009(7):39.
15 Li Huaying, Ding Hua, Li Haoze,et al.Deformation behavior and microstructure evolution of TWIP steels with different SFE[J].Journal of Materials and Metallurgy,2012,11(3):183(in Chinese).
李华英,丁桦,李昊泽,等.两种不同层错能TWIP钢的变形行为及组织演变[J].材料与冶金学报,2012,11(3):183.
16 Lee S, Lee S J, Cooman B C D. Austenite stability of ultrafine-grained transform ation-induced plasticity steel with Mn partitioning[J].Scripta Materialia,2011,65(3):225.
17 Li Zhen, Zhao Aimin, Cao Jiali, et al. Content and stability of retained austenite in high strength medium-Mn TRIP steel[J].Materials for Mechanical Engineering,2012,36(1):62(in Chinese).
李振,赵爱民,曹佳丽,等.高强中锰TRIP钢的残余奧氏体含量及其稳定性[J].机械工程材料,2012,36(1):62.
18 周玉.材料分析方法[M].北京:机械工业出版社,2006:61.
19 Jiang Haitao, Tang Di, Liu Qiang,et al. Investigation of retained austenite and its stability in TRIP steel[J].Iron and Steel,2007,42(8):60(in Chinese).
江海涛,唐荻,刘强,等.TRIP钢中残余奥氏体及其定性的研究[J].钢铁,2007,42(8):60.
20 Sugimoto K, Usui N, Kobayashi M, et al. Effects of volume fraction and stability of retained austenite on ductility of TRIP-aided dual-phase steels[J].Tetsu-to-Hagane,1992,32(12):1311.
21 Liu S K, Zhang J. The influence of the Si and Mn concentrations on the kinetics of the bainite transfomation in Fe-C-Si-Mn alloys[J].Metallurgical Transactions A,1990,21(6):1517.
22 Lee S J, Lee S, Cooman B C D. Mn partitioning during the intercri-tical annealing of ultrafine-grained 6% Mn transformation-induced plasticity steel[J].Scripta Materialia,2011 64(7):649.
23 Zavattieri P D, Savic V, Jr L G H. Spatio-temporal characteristics of the portevin-Le chātelier effect in austenitic steel with twinning induced plasticity[J].International Journal of Plasticity,2009,25(12):2298.
24 Yin Hongxiang, Zhao Aimin, Zhao Zhengzhi,er al.Effect of Mn content on microstructure and mechanical properties of a low carbon medium-manganese TRIP steel[J].Materials Science& Technology,2014,22(3):11(in Chinese).
尹鸿祥,赵爱民,赵征志,等.Mn含量对低碳中锰TRIP钢组织性能的影响[J].材料科学与工艺,2014,22(3):11.
25 Howe A A.Ultrafine grained steels:Industrial prospects[J].Materials Science and Technology,2000,16(11-12),1264.
26 Howe A A. Industry perspective on ultrafine grained steels[J].Materials Science and Technology,2009,25(7):815.
27 Cheng Xiaonong, Dai Qixun, Wang Andong.Stacking-fault energy and ε-martensite transformation of austenitic steels[J].Journal of Iron and Steel Research,2003,15(2):55(in Chinese).
程晓农,戴起勋,王安东.奥氏体刚层错能与ε马氏体相变[J].钢铁研究学报,2003,15(2):55.