Preparation and Characterization of AlMgB14-TiB2 Composite by Field-activated and Pressure-assisted Synthesis

doi:10.3724/SP.J.1077.2013.12300

Abstract

Abstract:

The pre-reacted AlMgB₁₄ powders prepared by FAPAS were mixed with TiB₂ powers and then subjected to the temperature of 1500℃, the axial pressure of 60 MPa, the heating rate of 100℃/min and dwelling time of 15 min. AlMgB₁₄-30wt% TiB₂composites with ideal structures were successfully prepared. The microstructure and components of synthesized composites were observed and determined by scanning electron microscope (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), and transmission electron microscope (TEM). The results show that the micro-hardness of the AlMgB₁₄-30wt% TiB₂ composites is 31.5 GPa and the fracture toughness K_1C could reach 3.65 MPa·m^1/2, which is consistent with those prepared by mechanical alloying/hot pressing. The microstructure analysis shows that the main toughening mechanisms of AlMgB₁₄-TiB₂composites are due to the hard phase dispersion strengthening, high-strength interface bonding. The FAPAS method might be used to synthesize AlMgB₁₄-TiB₂composites at low costs with fast heating-up and efficiency.

Key words: field-activated and pressure-assisted synthesis((FAPAS), AlMgB₁₄, AlMgB₁₄-TiB₂composites, microstructure, mechanical properties

CLC Number:

TB321

LIU Wen, MIAO Yang, CHEN Shao-Ping, ZHUANG Lei, MENG Qing-Sen. Preparation and Characterization of AlMgB₁₄-TiB₂Composite by Field-activated and Pressure-assisted Synthesis[J]. Journal of Inorganic Materials, 2013, 28(4): 369-374.

Figures/Tables 9

References 17

[1]	Cook B A, Harringa J L, Lewis T L, et al. A new class of ultar- materials based on AlMgB14. Scripta Mater., 2000, 42(6): 597-602.
[2]	Russell A M, Cook B A, Harringa J L, et al. Coefficient of thermal expansion of AlMgB14. Scr. Mater., 2002, 46(1): 629-633.
[3]	Lewis T L, Cook B A, Harringa J L, et al. Al2MgO4, Fe3O4, and FeB impurities in AlMgB14. Mater. Sci. Eng. A, 2003, 351(10): 117-122.
[4]	Cherukuri R, Womack M, Molian P, et al. Pulsed laser deposition of AlMgB14 on carbide inserts for metal cutting. Surf. Coat. Technol., 2002, 155: 112-120.
[5]	Ahmed A, Bahadur S, Cook B A, et al. Mechanical properties and scratch test studies of new ultra-hard AlMgB14 modified by TiB2. Tribol. Int., 2006, 39(1): 129-137.
[6]	Riedel R. Novel ultrahard materials. Adv. Mater., 1994, 6(7/8): 549-560.
[7]	Cook B A, Russell A M, Harringa J L, et al. A new fracture- resistant binder phase for use with AlMgB14 and other ultra-hard ceramics. Journal of Alloys and Compounds, 2004, 366(4): 145-151.
[8]	Roberts David J, Zhao Jinfeng, Munir Zuhair A. Mechanism of reactive sintering of MgAlB14 by pulse electric current. Journal of Refractory Metals & Hard Materials, 2009, 27(4): 556-563.
[9]	Kevorkijan V, Skapin S D, Jelen M, et al. Cost-effective synthesis of AlMgB14-xTiB2. Journal of the European Ceramic Society, 2007, 27(3): 493-497.
[10]	Shigeru Okadaa, Toetsu Shishido, Takao Mori, et al. Crystal growth of MgAlB14-type compounds using metal salts and some properties. Journal of Alloys and Compounds, 2008, 458(4): 297-301.
[11]	Tanaka Minoru, Higashi Iwami. Crystal growth of boron-rich compounds in the Al-Mg-B system. Bulletin of TIRI, 2007, 58(2): 58-61.
[12]	Meng Q S, Fan W H, Chen R X.et al. Thermoelectric properties of nanostructured FeSi2 prepared by field-activated and pressure- assisted reactive sintering. Journal of Alloys and Compounds, 2010, 492(1/2): 303-306.
[13]	Richard Bodkin. A Synthesis and Study of AlMgB14. Johannesburg: The University of the Witwatersrand, 2005: 140.
[14]	Shetty D K, Wright P N, Mincer A H.et al. hidentation fracture of WC-Co cermets. J. Mater. Sci., 1985, 20(5): 1873-1882.
[15]	Iwami Higashi, Tosio Sakurai, Tetsuzo Atoda. Crystal structure of α-AlB12. Journal of Solid State Chemistry, 1977, 20(1): 67-77.
[16]	Cook B A, Russell A M, Peters J S, et al. Estimation of surface energy and bonding between AlMgB14 and TiB2. J. Phys. & Chem. Solids, 2010, 71(5): 824-826.
[17]	Ahmed A, Bahadur S, Russell A M, et al. Belt abrasion resistance and cutting tool studies on new ultra-hard boride materials. Tribology International, 2009, 42(5): 706-713.

Experimental steps	The pre-reacted starting powder with composition	Process parameters
1	Al:Mg:B=1:1:14+CS+3wt%Al ^[13]	Temperature 1400℃, pressing force 20 MPa, heating rate 100 ℃/min, soak time 10 min
2	AlMgB₁₄+30wt%TiB₂	Temperature 1500℃, pressing force 60 MPa, heating rate 100 ℃/min, soak time 15 min

Experimental steps	The pre-reacted starting powder with composition	Process parameters
1	Al:Mg:B=1:1:14+CS+3wt%Al ^[13]	Temperature 1400℃, pressing force 20 MPa, heating rate 100 ℃/min, soak time 10 min
2	AlMgB₁₄+30wt%TiB₂	Temperature 1500℃, pressing force 60 MPa, heating rate 100 ℃/min, soak time 15 min

Regions	Element	wt%	at%
A	B	63.34	80.34
	Mg	18.31	10.33
	Al	18.35	9.33
B	B	4.82	18.33
B	Ti	95.18	81.67
C	O	41.92	54.07
	Mg	18.07	15.34
	Al	40.01	30.60

Regions	Element	wt%	at%
A	B	63.34	80.34
	Mg	18.31	10.33
	Al	18.35	9.33
B	B	4.82	18.33
B	Ti	95.18	81.67
C	O	41.92	54.07
	Mg	18.07	15.34
	Al	40.01	30.60

Sample	Vickers hardness /GPa	Fracture toughness K_IC/(MPa·m^½)
AlMgB₁₄	27.2	3.00
AlMgB₁₄-30wt%TiB₂	31.5	3.65

Preparation and Characterization of AlMgB₁₄-TiB₂Composite by Field-activated and Pressure-assisted Synthesis

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Preparation methods	Phase composition	Structure	Hardness Vicker/GPa	Fracture toughness K_IC/(MPa·m^½)	Process parameters
FAPAS	AlMgB₁₄ ,TiB₂, MgAl₂O₄(impurity)	In the form of individual (TiB₂) grains in the size range of 2-5 µm and larger aggregates with an average grain size of about 10 µm	31.5	3.65	1500℃, 60 MPa, 15 min
Hot pressing^[13]	AlMgB₁₄, TiB₂, MgAl₂O₄(impurity) FeB₄O₇(impurity)	In the form of individual (TiB₂) grains in the size range of 1-3 µm and larger aggregates with an average grain size of about≤5 µm	31-35	3.7±0.2	1600℃, 75 MPa, 1 h

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