采用LSB型渗硼剂分别在渗硼温度为1123、1173和1223 K,保温时间为2、4、6和8h的工艺参数下对球墨铸铁表面进行固体渗硼处理.用扫描电子显微镜(SEM)对渗层横断面进行了显微组织观察,用X射线能谱仪分析了沿渗层表面到心部的元素分布.用X射线衍射仪(XRD)分析出渗硼层为Fe2B单相,用显微硬度计测试渗层的硬度分布,其显微硬度值在1170 ～1392HV0.025之间.渗层厚度随着渗硼时间和渗硼温度的增加而增加,其范围约为35～118 μm.对实验数据进行分析和拟合,得出渗层动力学曲线和等厚度图,并且经回归分析计算出硼在球墨铸铁中的扩散激活能约为175 kJ/mol.
参考文献
| [1] | Meléndez E,Campos I,Rocha E,et al .Structural and strength characterization of steels subjected to boriding thermochemical process[J].Materials Science and Engineering A,1997,234(30):900-903.,1997. |
| [2] | MU Dong,SHEN Bao-luo,ZHAO Xin .Effects of boronizing on mechanical and dry-sliding wear properties of CoCrMo alloy[J].Materials & Design,2010,31(8):3933-3936.,2010. |
| [3] | Saduman Sen,Ibrahim Ozbek,U (g)ur Sen,et al .Saduman Sen,Ibrahim Ozbek,U (g)ur Sen,et al.Mechanical behavior of borides formed on borided cold work tool steel[J].Surface and Coatings Technology,2001,135:173-177.,2001. |
| [4] | 周升,伍婵娟,姜佩璐,韦习成.渗硼层对SUS304不锈钢耦合变形的摩擦行为的影响[J].材料热处理学报,2010(06):122-127. |
| [5] | 邢泽炳,翟鹏飞,张晓刚.45钢耕作部件表面渗硼处理及耐磨性[J].金属热处理,2012(09):113-116. |
| [6] | Ibrahim Ozbek,Cuma Bindal .Mechanical properties of boronized AISI W4 steel[J].Surface and Coatings Technology,2002,154(1):14-20.,2002. |
| [7] | Sukru Taktak .Tribological behaviour of borided bearing steels at elevated temperatures[J].Surface and Coatings Technology,2006,201(6):2230-2239.,2006. |
| [8] | Vipin Jain,Sundararajan S .Influence of the pack thickness of the boronizing mixture on the boriding of steel[J].Surface and Coatings Technology.2002,2002,149(1):21-26.,2002. |
| [9] | 朱杰武.球墨铸铁强韧化热处理技术的研究[J].热加工工艺,2001(01):43-44. |
| [10] | 杨超,慕东,沈保罗,李莉,岳昌林,高致文,杨强.渗硼对球铁耐磨性的影响[J].现代铸铁,2008(01):66-69. |
| [11] | 史光远.ADI齿轮渗硼及等温淬火工艺[J].水利电力机械,2004(03):26-28. |
| [12] | 王建民,王敏祥,左国栋.渗硼对等温淬火球墨铸铁接触疲劳寿命的影响[J].洛阳工学院学报(自然科学版),2001(04):14-17. |
| [13] | Murat Baydogan,Seckin Izzet Akray.Successive Boronizing and Austempering for GGG-40 Grade Ductile Iron[J].钢铁研究学报（英文版）,2009(02):50-54. |
| [14] | Sen U,Sen S,Yilmaz F .Effect of copper on boride layer of boronized ductile cast irons[J].Vacuum,2004,72(2):199-204.,2004. |
| [15] | Ugur Sen,Saduman Sen,Fevzi Yilmaz .Structural characterization of boride layer on boronized ductile irons[J].Surface and Coatings Technology,2004,176(2):222-228.,2004. |
| [16] | Yusuf Kayali,Yilmaz Yal(c)in,(S)ükrü Taktak .Yusuf Kayali,Yilmaz Yal(c)in,(S)ükrü Taktak.Adhesion and wear properties of boro-tempered ductile iron[J].Materials and Design,2011,32:4295-4303.,2011. |
| [17] | Campos-Silva I,Ortiz-Domínguez M,Keddam M,et al .Kinetics of the formation of Fe2 B layers in gray cast iron:Effects of boron concentration and boride incubation time[J].Applied Surface Science,2009,255(22):9290-9295.,2009. |
| [18] | Ugur Sen,Saduman Sen,Sakip Koksal,et al .Fracture toughness of borides formed on boronized ductile iron[J].Materials and Design,2005,26(2):175-179.,2005. |
| [19] | Jost W.Diffusion in Solids,Liquids,Gases[M].New York:Academic Press Inc.Publishes,1960:340.,1960. |
| [20] | Chen F S,Wang K L .The kinetics and mechanism of multi-component diffusion on AISI 1045 steel[J].Surface and Coatings Technology,1999,115:239-248.,1999. |
| [21] | zbek I,Konduk B A,Bindal C,et al .Characterization of borided AISI 316L stainless steel implant[J].Vacuum,2002,65:521-525.,2002. |
| [22] | Meric C,Sahin S,Backir B,et al .Investigation of the boronizing effect on the abrasive wear behavior in cast irons[J].Materials and Design,2006,27(9):751-757.,2006. |
| [23] | Salim Sahin,Cevdet Meric .Investigation of the effect of boronizing on cast iron[J].Materials Research Bulletin,2002,37(5):971-979.,2002. |
| [24] | 第一机械工业部武汉材料保护研究所,第一机械工业部上海材料保护研究所.钢铁化学热处理金相图谱[M].北京:机械工业出版社,1980:53.,1980. |
| [25] | Ozbek I,Bindal C .Mechanical properties of boronized AISI W4 steel[J].Surface and Coatings Technology,2002,154(1):14-20.,2002. |
| [26] | Chunmin Li,Baoluo Shen,Guijiang Li,Chao Yang .Effect of boronizing temperature and time on microstructure and abrasion wear resistance of Cr12Mn2V2 high chromium cast iron[J].,2008,202(24):5882-5886.,2008. |
| [27] | 吉泽升.多元渗硼技术及其应用[M].北京:冶金工业出版社,2004:66.,2004. |
| [28] | Celik O N,Aydinbeyli N,Gasan H .Boride layer growth kinetics of the borided hypoeutectoid plain carbon steels by the powder-pack method[J].Prakt Metallogr,2008,45(7):334-347.,2008. |
| [29] | 衣晓红,李凤华,樊占国.Q235钢固体粉末渗硼及渗层生长动力学行为[J].材料保护,2009(04):13-16. |
| [30] | Campos I,Oseguera J,Figueroa U,et al .Kinetic study of boron diffusion in the paste-boriding process[J].Materials Science and Engineering A,2003,352:261-265.,2003. |
| [31] | Genel K,Ozbek I,Bindal C .Kinetics of boriding of AISI W1 steel[J].Materials Science and Engineering A,2003,347:311-314.,2003. |
| [32] | Genel K .Boriding kinetics of H13 steel[J].Vacuum,2006,80(5):451-457.,2006. |
| [33] | Ozdemir O,Omar M A,Usta M,et al .An investigation on boriding kinetics of AISI 316 stainless steel[J].Vacuum,2008,83(1):175-179.,2008. |
| [34] | Saduman Sen,Ugur Sen,Cuma Bindal .The growth kinetics of borides formed on boronized AISI 4140 steel[J].Vacuum,2005,77(2):195-202.,2005. |
| [35] | G】o】zde (C)elebi Efe,Mediha Ipek,Ibrahim (O)zbek,et al .G】o】zde (C)elebi Efe,Mediha Ipek,Ibrahim (O)zbek,et al.Kinetics of borided 31CrMoV9 and 34CrAlNi7 steels[J].Materials Characterization,2008,59(1):23-31.,2008. |
| [36] | Ozbek I,Bindal C .Kinetics of borided AISI M2 high speed steel[J].Vacuum,2011,86(4):391-397.,2011. |
| [37] | Sukru Taktak .A study on the diffusion kinetics of borides on boronized Cr-based steels[J].Journal of Materials Science,2006,41(22):7590-7596.,2006. |
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%