Sintering Temperature Effect of Near-Zero Thermal Expansion Mn3Zn0.8Sn0.2N/Ti Composites

Sintering Temperature Effect of Near-Zero Thermal Expansion Mn3Zn0.8Sn0.2N/Ti Composites

Metal matrix composites with near-zero thermal expansion (NZTE) have gained significant popularity in high-precision industries due to their excellent thermal stability and mechanical properties. The incorporation of Mn3Zn0.8Sn0.2N, which possesses outstanding negative thermal expansion properties,...

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Veröffentlicht in:Materials 2023-08, Vol.16 (17), p.5919
Hauptverfasser: Zhou, Yongxiao, Zhang, Lianyu, Qian, Jinrui, Qian, Zhiying, Hao, Baoxin, Cong, Qiang, Zhou, Chang
Format: Artikel
Sprache:eng
Schlagworte:
Chemical reactions
Finite element method
Mechanical properties
Metal matrix composites
Microstructure
Particle size
Plasma sintering
Stress concentration
Temperature effects
Thermal expansion
Thermal stability
Thermal stress
Titanium
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Zusammenfassung:Metal matrix composites with near-zero thermal expansion (NZTE) have gained significant popularity in high-precision industries due to their excellent thermal stability and mechanical properties. The incorporation of Mn3Zn0.8Sn0.2N, which possesses outstanding negative thermal expansion properties, effectively suppressed the thermal expansion of titanium. Highly dense Mn3Zn0.8Sn0.2N/Ti composites were obtained by adjusting the fabrication temperature. Both composites fabricated at 650 °C and 700 °C exhibited NZTE. Furthermore, finite element analysis was employed to investigate the effects of thermal stress within the composites on their thermal expansion performance.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma16175919