通过热力学计算和试验,研究了钛合金化后高硼钢含钛析出相在液相和凝固过程中的析出规律,采用光学显微镜(OM)、扫描电镜(SEM)、X射线衍射仪(XRD)研究了高硼钢的凝固组织.研究结果表明不加钛的合金铸态组织由硼化物、铁素体、珠光体组成,钛合金化后铸态组织由第二相TiC、硼化物和铁基体组成;热力学计算结果表明含钛析出相均不可能在液相中析出,TiC在凝固的过程中析出,析出温度为1 691 K,析出时的凝固分数为29％,析出相的析出顺序为TiC＞TiB2＞TiB.
参考文献
| [1] | 符寒光,宋绪丁,刘海明,雷永平,成小乐,邢建东.热处理对Fe-B-C合金显微组织和性能的影响[J].稀有金属材料与工程,2010(06):1125-1128. |
| [2] | H. G. Fu;Z. W. Wu;J. D. Xing .Investigation of quenching effect on mechanical property and abrasive wear behaviour of high boron cast steel[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2007(4):460-465. |
| [3] | 符寒光.高硼低碳铁基合金凝固组织研究[J].材料热处理学报,2006(02):63-66. |
| [4] | HAN-GUANG FU;DING-MEI FU;JIAN-DONG XING .Investigations on the Cast Boron Steel Guide Roller and Its Application in Steel Wire-Rod Mill[J].Materials and Manufacturing Processes,2008(1/2):123-129. |
| [5] | Chen, X.;Li, Y. .Effect of heat treatment on microstructure and mechanical properties of high boron white cast iron[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(2):770-775. |
| [6] | 张建军,高义民,邢建东,马胜强,刘力.锻造加热处理对高硼铸造铁基合金组织与性能的影响[J].西安交通大学学报,2010(08):112-116,121. |
| [7] | Goldshtein Ya E;Mizin V G .Some peculiarities of the structure of high boron steels[J].METAL SCIENCE AND HEAT TREATMENT,1989,30(07):479-484. |
| [8] | Fu HG;Xiao Q;Kuang JC;Jiang ZQ;Xing JD .Effect of rare earth and titanium additions on the microstructures and properties of low carbon Fe-B cast steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1-2):160-165. |
| [9] | Liu Ying;Li Binghong;Li Jun et al.Effect of titanium on the ductilization of Fe-B alloys with high boron content[J].Materials Letters,2010,64:1299-1301. |
| [10] | 岳尔斌,仇圣桃,干勇.低合金高强度钢中氮化物和碳化物析出热力学[J].钢铁研究学报,2007(01):35-38. |
| [11] | 刘俊友,郭建新,刘杰.热处理对新型含硼低碳高锰合金组织影响的热力学分析[J].材料热处理学报,2011(12):78-83. |
| [12] | 赵素,张立,徐国栋,李金富.Nb-Ti微合金钢中第二相析出的热力学计算[J].宝钢技术,2012(02):19-25. |
| [13] | 陈家祥.炼钢常用图表数据手册[M].北京:冶金工业出版社,2010:510-511. |
| [14] | 傅杰,朱剑,迪林,佟福生,柳得橹,王元立.微合金钢中TiN的析出规律研究[J].金属学报,2000(08):801-804. |
| [15] | 陈家祥.连续铸钢手册[M].北京:冶金工业出版社,1990:138-142. |
| [16] | 本溪钢铁公司第一炼钢厂.硼钢[M].北京:冶金工业出版社,1977:2-10. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%