2) high-strength Nb ship plate steel
高强含铌船板钢
1.
Through high temperature stress-strain tests and fracture morphology of the sample analysis,we founded the third brittle temperature rang of the high-strength Nb ship plate steel is 600～1000℃.
通过对高强含铌船板钢高温应力应变测试及试样断口形貌分析,得到该钢种第三脆性温度区间为600～1000℃,通过对该钢种二冷配水进行优化,使铸坯矫直前表面温度达到1000℃以上,可有效减少表面横裂。
3) Nb containing steel
含铌钢
1.
Analysis on transverse crack of Nb containing steel slab and improvement measures;
含铌钢铸坯横裂纹的分析及改进措施
2.
1 steelmaking plant of Jinan steel produced Nb containing steels such as HRB400 with ferrovanadium instead of ferro-niobium.
为降低生产成本,济钢第一炼钢厂方坯铸机以铌铁代替钒铁生产HRB400等含铌钢种,由于铌为裂纹敏感性元素,其铸坯横裂纹发生率远远大于其它钢种。
3.
Among these defects,transverse cracks get main attention,Nb containing steel slab is easy to appear such cracks.
本文分析了含铌钢铸坯横裂纹的产生原因,通过测温实验及高温力学性能实验分析S355J2-1钢的二冷配水方案,并提出具体优化措施,取得良好效果。
4) H13 steel with niobium
含铌H13钢
5) niobium-bearing steel
含铌钢
1.
The effect of pre-deformation on the mechanical properties of low carbon niobium-bearing steel is investigated in this paper.
试验结果表明,在等温时效过程中预变形使含铌钢析出过程加快,析出的Nb(CN)变小,而且使含铌钢板条马氏体等温时效拉伸强度提高200MPa,其中第二相Nb(CN)粒子的强化效果约为130MPa,位错强化效果约为90MPa。
6) niobium-bearing low carbon steel
含铌低碳钢
1.
The continuous cooling transformation of niobium-bearing low carbon steel and plain low carbon steel under different transformation conditions were investigated by utilizing Gleeble-1500 thermomechanical simulator.
用G leeb le-1500热力模拟实验机研究了含铌低碳钢和普通低碳钢经不同变形条件下连续冷却过程的相变规律,利用热膨胀法结合金相法得到了连续冷却转变曲线,分析比较了它们的组织演变规律,测定了含铌低碳钢在不同温度和不同变形量下硬度的变化。
补充资料：高强
（武艺）高超。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条