Effect of SPS sintering process on microstructure and mechanical properties of TiC / 6061Al composites

Zhang Yang; Liu Cansen; Wang Juan; Tian Zhuo; Zheng Kaihong; Ke Zhimin

doi:10.7513/j.issn.1004-7638.2023.06.012

Volume 44 Issue 6

Dec. 2023

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Zhang Yang, Liu Cansen, Wang Juan, Tian Zhuo, Zheng Kaihong, Ke Zhimin. Effect of SPS sintering process on microstructure and mechanical properties of TiC / 6061Al composites[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 81-87. doi: 10.7513/j.issn.1004-7638.2023.06.012

Citation:

Zhang Yang, Liu Cansen, Wang Juan, Tian Zhuo, Zheng Kaihong, Ke Zhimin. Effect of SPS sintering process on microstructure and mechanical properties of TiC / 6061Al composites[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 81-87. doi: 10.7513/j.issn.1004-7638.2023.06.012

Citation:

Zhang Yang, Liu Cansen, Wang Juan, Tian Zhuo, Zheng Kaihong, Ke Zhimin. Effect of SPS sintering process on microstructure and mechanical properties of TiC / 6061Al composites[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 81-87. doi: 10.7513/j.issn.1004-7638.2023.06.012

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Effect of SPS sintering process on microstructure and mechanical properties of TiC / 6061Al composites

doi: 10.7513/j.issn.1004-7638.2023.06.012

Zhang Yang^{1, 2, 3
,},
Liu Cansen¹,
Wang Juan^{2, 3
,
,},
Tian Zhuo^{2, 3},
Zheng Kaihong^{2, 3},
Ke Zhimin⁴

1.
School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, Guangdong, China
2.
Institute of New Materials, Guangdong Academy of Sciences, National Engineering Research Center of Powder Metallurgy of Titanium & Rare Metals, Guangdong Provincial Key Laboratory of Metal Toughening Technology and Application, Guangzhou 510650, Guangdong, China
3.
Guangdong Provincial Iron Matrix Composite Engineering Research Center, Guangzhou 510650, Guangdong, China
4.
Guangdong Zhongtian Chuangzhan Ductile Iron Co., Ltd., Qingyuan 513000, Guangdong, China

Received Date: 2023-09-12
Available Online: 2024-01-11
Publish Date: 2023-12-30

Abstract

Abstract

The 2% TiC/6061Al composites were prepared by low-speed horizontal ball milling and spark plasma sintering ( SPS ). The effects of different sintering temperatures and pressures on the density, microstructure and mechanical properties of the composites were studied by optical microscope, scanning electron microscope, microhardness tester and tensile test. The results show that when the sintering temperature is 500 ℃, the sintering is not sufficient, and the binding between the particles is not close, which leads to low density of the composite material. When the sintering temperature is 550 ℃ which exceeds melting point of Al matrix, a small amount of molten Al splashes and overflows the mold, resulting in unbalanced pressure in the mold, thereby reducing the density of the composite material. The density and mechanical properties of the composites increase with increase of the sintering pressure, so the maximum pressure that the mold can withstand is selected as the optimal sintering pressure. Therefore, when the sintering temperature is 525 ℃ and the sintering pressure is 40 MPa, the density, hardness and strength of the composite material reach the maximum values.
- TiC/6061Al composites,
- spark plasma sintering,
- sintering temperatures,
- pressures,
- microstructure,
- mechanical properties

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References(20)

References

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