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材料工程  2012 

亚温淬火对硼镍添加含铌低合金高强度H型钢组织性能的影响

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Keywords: 低合金高强度H型钢,亚温淬火,微观组织,力学性能

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Abstract:

将硼镍添加的含铌低合金高强度H型钢进行亚温淬火及完全淬火,对淬火以及淬火并高温回火后的试样进行了力学性能和微观组织的研究。结果表明亚温淬火并回火后,这一新钢种的屈服强度达到512MPa,抗拉强度达到595MPa,伸长率达到27%,韧脆转变温度达到-88℃,具有优异的综合力学性能。近似等轴的铁素体及其上弥散分布的细小碳化物,使得回火时塑性大幅提高而强度下降不多;回火碳化物钉扎晶界,抑制了晶粒的长大,起到了细化晶粒的效果;不连续的细小碳化物分布在晶界上,没有对材料的韧性造成破坏。

References

[1]  FERNANDEZ J, ILLESCAS S, GUILEMANY J M. Effect of micro-alloying elements on the austenitic grain growth in a low carbon HSLA steel [J]. Materials Letters, 2007, 61(11-12): 2389-2392.
[2]  BHOLE S D, NEMADE J B, COLLINS L, et al. Effect of nickel and molybdenum additions on weld mental toughness in a submerged arc welded HSLA line-pipe steel[J]. Journal of Materials Processing Technology, 2006, 173(1): 92-100.
[3]  TAHER E B, MOHAMMED G, IBRAHIM M, et al. Development of carbon—Low alloy steel grades for low temperature applications[J]. Materials Science and Engineering A, 2011, 528(18): 6039-6044.
[4]  张小立, 庄传晶, 吉玲康, 等. 高钢级管线钢的特征参量及其与强韧性的关系[J]. 材料工程, 2006, (8): 3-7.
[5]  LEE S H, LEE S U, MOON K I, et al. A study on the improvement of the fracture toughness of Ll2-type Cu-added zirconium trialuminide intermetallics synthesized by mechanical alloying[J]. Materials Science and Engineering A, 2004, 382(1-2): 209-216.
[6]  WANG Z C, CUI G T, SUN T, et al. Effect of boron on microstructure and mechanical properties of hot-rolled Nb-added HSLA H-section steel[J]. International Journal of Modern Physics B, 2009, 23(6-7): 1885-1890.
[7]  HWANG B, LEE C G. Influence of thermomechanical processing and heat treatments on tensile and Charpy impact properties of B and Cu bearing high-strength low-alloy steels[J]. Materials Science and Engineering A, 2010, 527(16-17): 4341-4346.
[8]  王祖滨, 付俊岩. HSLA钢冶金工艺技术的进展[J]. 特殊钢, 2006, 27(2): 1-5.
[9]  THEODORE V G. Recent research and design developments in steel and composite steel-concrete structures in USA[J]. Journal of Constructional Steel Research, 2000, 55(1-3):289-303.
[10]  肖光春, 荆洪阳, 徐连勇, 等. 预应变下高强结构钢低温断裂性能[J]. 焊接学报, 2011, 32(3): 41-45.
[11]  李建华, 方芳, 习天辉, 等. 微合金化3.5Ni钢的强化机理[J]. 材料工程, 2010, (5): 1-4.
[12]  ZAJAC G, PACYNA J. The kinetics of phase transformations during tempering in structural steel with nickel[J]. Journal of Materials Processing Technology, 2005, 162-163: 442-446.
[13]  崔怀洋, 贺信莱. 晶界非平衡偏聚与晶体缺陷构型的关系[J]. 金属学报, 1999, 35(3):239-244.
[14]  巴纳吉 S K,莫罗尔 J E. 钢中的硼[M]. 北京: 冶金工业出版社, 1985.
[15]  廖波, 肖福仁. 针状铁素体管线钢组织及强韧化机理研究[J]. 材料热处理学报, 2009, 30(2): 57-62
[16]  HAN K, XIN Y, WALSH R, et al. The effect of grain boundary precipitates on cryogenic properties of aged 316-type stainless steels[J]. Materials Science and Engineering A, 2009, 516(1-2): 169-179

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