研究了一种电流直加热动态热压快速致密化工艺,采用此工艺克服了粉末冶金法和铸造法的局限性,快速制备了10vol%SiCp/Fe复合材料,考察了材料在不同烧结电压和不同烧结时间情况下的致密化行为及其力学性能,结果表明此工艺制备的10vol%SiCp/Fe复合材料,相对密度达到99.6%,布氏硬度为477HB,抗拉强度为912MPa,显微组织细小均匀.
参考文献
[1] | S. KALOGEROPOULOU;L. BAUD;N. EUSTATHOPOULOS .RELATIONSHIP BETWEEN WETTABILITY AND REACTIVITY IN Fe/SiC SYSTEM[J].Acta Metallurgica et Materialia,1995(3):907-912. |
[2] | Pagounis E.;Lindroos VK. .Processing and properties of particulate reinforced steel matrix composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):221-234. |
[3] | Joshua Pelleg .Reactions in the matrix and interface of the Fe-SiC metal matrix composite system[J].Materials Science and Engineering,1999,A269:225. |
[4] | Pagounis E;Talvitie M;Lindroos V K .Influence of the metal/ceramic interface on the microstructure and mechanical properties of HI ped iron-based composites[J].Journal of Computer Science and Technology,1996,56:1329. |
[5] | Pagounis E;Talvitie M;Lindroos V K .Consolidation behavior of a particle reinforced metal matrix composite during HIPing[J].Materials Research Bulletin,1996,31(10):1227. |
[6] | 张双益,肖志瑜,冼志勇,李元元.SiC颗粒增强铁基粉末冶金复合材料的研究[J].华南理工大学学报,1999(05):105. |
[7] | 刘君武,丁厚福,郑治祥.SiCp/Fe复合材料工艺及性能研究[J].矿冶工程,2002(01):92-95. |
[8] | Duane C. Newman .Novel uses of electric fields and electric currents in powder metal (P/M) processing[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(2):198-204. |
[9] | Omori M .Sintering,consolidation,reaction and crystal growth by the spark plasma system(SPS)[J].Materials Science and Engineering,2000,A287:183. |
[10] | 周亦胄,郭敬东,单以银,王宝全,何冠虎.脉冲电流对低碳微合金钢力学性能的影响[J].材料研究学报,2002(03):243-246. |
[11] | R.S. Qin;B.L. Zhou .Effect of electric current pulses on grain size in castings[J].International Journal of Non-Equilibrium Processing,1998(1):77-86. |
[12] | Kyuhong Lee;Chang Young Son;Jin Suk Kim et al.Hardness and corrosion resistance of steel-based surface composites fabricated with Fe-based metamorphic powders by high-energy electron beam irradiation[J].Surface and Coatings Technology,2006,201(03):835. |
[13] | 张东明,傅正义.放电等离子加压烧结(SPS)技术特点及应用[J].武汉工业大学学报,1999(06):15-17. |
[14] | Groza J R;Zavaliangos A .Sintering activation by external electrical field[J].Materials Science and Engineering,2000,A287:171. |
[15] | Conrad H;Guo Z;Sprecher A F .Effects of electropulse duration and frequency on grain growth in Cu[J].Scripta Metallurgica et Materialia,1990,24(02):359. |
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