全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
材料工程  2012 

Ti+Nb和Ti+V超低碳烘烤硬化钢的组织和性能研究

, PP. 32-35

Keywords: 超低碳,烘烤硬化,变形抗力,组织性能

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用Gleeble-1500热模拟试验机对Ti+Nb和Ti+V复合处理超低碳BH钢的变形抗力和动态连续冷却转变进行研究,并观察了两种实验钢在不同冷却工艺条件下的金相组织。结果表明在1100℃、应变速率1s-1时Ti+Nb超低碳BH钢的变形抗力比Ti+V超低碳BH钢高出约13MPa,在相同的变形条件下,两种实验钢的组织形貌及晶粒尺寸差别较大。两种超低碳BH钢在不同冷却条件下的室温金相组织均是多边形的铁素体,Ti+Nb超低碳BH钢铁素体晶粒较为细小,形状不规则,平均晶粒尺寸为16μm,Ti+V超低碳BH钢铁素体晶粒则较为粗大,形状规则,平均晶粒尺寸为26μm。

References

[1]  DAS S, SINGH S B, MOHANTY O N, et al. Understanding the complexities of bake hardening[J]. Materials Science and Technology, 2008, 24(1): 107-111.
[2]  KOZESCHNIK E, BUCHMAYR B.A contribution to the increase in yield strength during the bake hardening process[J].Steel Research, 1997, 68(5): 224-230.
[3]  BAKER L J, DANIEL S R, PARKER J D.Metallurgy and processing of ultralow carbon bake hardening steels[J].Materials Science and Technology, 2002, 18: 355-368.
[4]  BAKER L J, PARKER J D, DANIEL S R.Mechanism of bake hardening in ultralow carbon steel containing niobium and titanium additions[J].Materials Science and Technology, 2002, 18: 541-547.
[5]  TAKESHI F, TOSHIAKI U, MICHITAKA S.High-performance, high-strength steel sheets for exposed auto body panels[J].JFE Technical Report,2007, (10):8-12.
[6]  康永林.现代汽车板工艺及成形理论与技术[M].北京:冶金工业出版社,2009.
[7]  康永林.现代汽车板的质量控制与成形性[M].北京: 冶金工业出版社, 1999.
[8]  齐俊杰,黄运华,张跃.微合金化钢[M].北京:冶金工业出版社,2006.76-78.
[9]  康永林,陈继平,刘光明,等.汽车用冷轧超低碳烘烤硬化钢板的组织性能与析出[J].中国冶金,2008, 18(3): 14-21.
[10]  江海涛,康永林,王全礼,等.高强度汽车板的烘烤硬化特性[J].钢铁研究,2006, 34(1): 54-57.
[11]  陈继平,康永林,郝英敏,等.Ti+Nb超低碳烘烤硬化钢的组织和性能研究[J].热加工工艺,2009,38(6):13-16.
[12]  CHEN J P, KANG Y L, HAO Y M, et al. Experimental study on microstructure and properties of Ti and Ti+Nb ultra-low carbon bake hardening steels[J]. Journal of Iron and Steel Research International, 2009, 16(6): 33-40.
[13]  JEONG W C. Relationship between mechanical properties and microstructure in a 1.5% Mn-0.3% Mo ultra-low carbon steel with bake hardening [J]. Mater Lett, 2007, 61: 2579.
[14]  KVACˋKAJ T, MAMUZIC′ I. Development of bake hardening effect by plastic deformation and annealing conditions[J]. Metalurgija, 2006, 45(1): 51-55.
[15]  WALEED A S, JOHN G S, FINDLEY K, et al. Effect of annealing time on solute carbon in ultralow-carbon Ti-V and Ti-Nb steels[J]. Metallurgical and Materials Transactions, 2006, 37A: 207-216

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133