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1篇 您的检索式:作者名="Win Jonhson"
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1High temperature co-firing of 3D-printed AleZnO/Al_(2)O_(3) multimaterial two-phase flow sensor显示文摘Sensors are crucial in the understanding of machines working under high temperatures and highpressure conditions.Current devices utilize polymeric materials as electrical insulators which pose a challenge in the device's lifespan.Ceramics,on the other hand,is robust and able to withstand high temperature and pressure.For such applications,a co-fired ceramic device which can provide both electrical conductivity and insulation is beneficial and acts as a superior candidate for sensor devices.In this paper,we propose a novel fabrication technique of complex multi-ceramics structures via 3D printing.This fabrication methodology increases both the geometrical complexity and the device's shape precision.Structural ceramics(alumina)was employed as the electrical insulator whilst providing mechanical rigidity while a functional ceramic(alumina-doped zinc oxide)was employed as the electrically conductive material.The addition of sintering additives,tailoring the printing pastes'solid loadings and heat treatment profile resolves multi-materials printing challenges such as shrinkage disparity and densification matching.Through high-temperature co-firing of ceramics(HTCC)technology,dense high quality functional multi-ceramics structures are achieved.The proposed fabrication methodology paves the way for multi-ceramics sensors to be utilized in high temperature and pressure systems in the near future.Danwei Zhang Win Jonhson Tun Seng Herng Xi Xu Xiaojing Liu Liang-ming Pan Hui He Jun Ding 2022Journal of Materiomics2022,8,3:0
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