Abstract
A high-pressure hot-pressing process was applied to densify a commercial boron carbide-titanium diboride (B4C-TiB2) powder mixture. Nearly fully dense (98.6%) materials were obtained at 1 700 °C under a pressure of 100 MPa. Compared to the sintering temperature required to achieve similar results when a pressure of only 30 MPa was applied, the sintering temperature was found to decrease by about 200 °C under pressure of 100 MPa. Analysis of the thermodynamics and microstructure showed that the plastic deformation of the B4C grains induced by high pressure dominated the densification mechanism when high pressure was applied. Furthermore, higher pressure resulted in remarkably improved mechanical properties of the composites, which could be traced back to the generation of stacking faults in the B4C grains and aggregation of TiB2.
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Kim KH, Chae JH, Park JS, et al. Sintering Behavior and Mechanical Properties of B4C Ceramics Fabricated by Spark Plasma Sintering[J]. J. Ceram. Process. Res., 2009, 10: 716–720
Johnson WC. Advanced Materials and Powders[J]. Am. Ceram. Soc. Bull., 2001, 80: 64–66
Schwetz KA, Sigl LS, Greim J, et al. Wear of Boron Carbide Ceramics by Abrasive Waterjets[J]. Wear, 1995, 181–183: 148–155
Basu B, Raju GB, Suri AK. Processing and Properties of Monolithic TiB2 based Materials[J]. Int. Mater. Rev., 2006, 51: 352–374
Thevenot F. A Review on Boron Carbide[J]. Key. Eng. Mater., 1991, 56–57: 59–88
Lee H, Speyer RF. Hardness and Fracture Toughness of Pressurless-sintered Boron Carbide (B4C)[J]. J. Am. Ceram. Soc., 2002, 85: 1 291–1 293
Wang WM, Fu ZY, Wang H, et al. Influence of Hot Pressing Sintering Temperature and Time on Microstructure and Mechanical Properties of TiB2 Ceramics[J]. J. Eur. Ceram. Soc., 2002, 22: 1 045–1 049
Ji W, Zhang J, Wang WM, et al. Fabrication and Properties of TiB2-Based Cermets by Spark Plasma Sintering with CoCrFeNiTiAl High-Entropy Alloy as Sintering Aid[J]. J. Eur. Ceram. Soc., 2014, 35: 879–886
Ji W, Todd RI, Wang WM, et al. Transient Liquid Phase Spark Plasma Sintering Of B4C-Based Ceramics using Ti-Al Intermetallics as Sintering Aid[J]. J. Eur. Ceram. Soc., 2016, 36: 2 419–2 426
Guo WM, Zhang ZL, Li JX, et al. Improvement of Densification and Mechanical Properties of Al2O3-B4C Ceramics[J]. Ceram. Int., 2016, 42: 11 486–11 489
Wang JL, Lin WS, Jiang ZW, et al. The Preparation and Properties of SiCw/B4C Composites Infiltrated with Molten Silicon[J]. Ceram. Int., 2014, 40: 6 793–6 798
Lee SH, Guo SQ, Tanaka H, et al. Thermal Decomposition, Densification and Mechanical Properties of AlN-SiC(-TiB2) Systems with and without B, B4C and C[J]. J. Eur. Ceram. Soc., 2008, 28: 1 715–1 722
Wang DW, Sun HF, Deng QH, et al. Synthesis of B4C-TiB2 Composite Powders by the Carbide Boronizing Process[J]. Ceram. Int., 2014, 40: 15 341–15 344
Skorokhod V, Krsti V D. High Strength-High Toughness B4C-TiB2 Composites[J]. J. Mater. Sci. Lett., 2000, 19: 237–239
Tuffe S, Dubois J, Fantozzi G, et al. Microstructure and Mechanical Properties of TiB2-B4C based Composites[J]. Int. J. Refr. Met.Hard Mater., 1996, 14: 305–310
Yamada S, Hirao K, Yamauchi Y, et al. B4C-CrB2 Composites with Improved Mechanical Properties[J]. J. Eur. Ceram. Soc., 2003, 23: 561–565
Yue XY, Zhao SM, Lü P, et al. Synthesis and Properties of Hot Pressed B4C-TiB2 Ceramic Composite[J]. Mater. Sci. Eng.A., 2010, 527: 7 215–7 219
Ji W, Rehman SS, Wang WM, et al. Sintering Boron Carbide Ceramics without Grain Growth by Plastic Deformation as the Dominant Densification Mechanism[J]. Sci. Rep., 2015, 5: 15 827
Chen IW, Wang XH. Sintering Dense Nanocrystalline Ceramics without Final-Stage Grain Growth[J]. Nature, 2000, 404: 168–171
Kang SJL. Sintering Densification, Grain Growth and Microstructure[J]. J. Phys. IV., 2005, 7: 674–742
Grady DE. Dynamic Properties of Ceramic Materials[J]. Sand., 1994, 94: 3 266
Vogler TJ, Reinhart WD, Chhabildas LC. Dynamic Behavior of Boron Carbide[J]. J. Appl. Phys., 2004, 95: 4 173–4 183
Zhang JY, Hu W, Zhang F, et al. (AlN)xMo1−x (x=0.5) Composite Fabricated by Spark Plasma Sintering (SPS)[J]. Int. J. Refract. Met.Hard Mater., 2016, 54: 378–382
Chen MW, McCauley JW, Hemker KJ. Shock-induced Localized Amorphization in Boron Carbide[J]. Science, 2003: 1 563–1 566
White RM, Dickey EC. Mechanical Properties and Deformation Mechanisms of B4C-TiB2 Eutecticcomposites[J]. J. Eur. Ceram. Soc., 2014, 34: 2 043–2 050
Hillig WB. Strength and Toughness of the Ceramic Matrix Composites[J]. Annu. Rev. Mater. Sci., 2003, 17: 341–383
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Gao, J., Wang, D., Lei, L. et al. High-pressure Sintering of Boron Carbide-Titanium Diboride Composites and Its Densification Mechanism. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 35, 356–362 (2020). https://doi.org/10.1007/s11595-020-2264-y
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DOI: https://doi.org/10.1007/s11595-020-2264-y