Low-Fire and Electrical Properties of Fe0.8Ni1Mn1.2O4 Thermistor

可低溫燒結之鐵鎳錳熱敏電阻的燒結行為及其電性

楊麒瀚

指導教授 ： 簡朝和

國立清華大學/工學院/材料科學工程學系/碩士(2010年)

摘要

本研究探討添加Bi2O3對Fe0.8Ni1Mn1.2O4的燒結行為、微觀結構以及電性的影響。在Fe0.8Ni1Mn1.2O4中添加少量的Bi2O3 (2-6 wt%)， Bi2O3/Fe0.8Ni1Mn1.2O4界面產生化學反應，使得Fe0.8Ni1Mn1.2O4進行液相燒結，Fe0.8Ni1Mn1.2O4從1300 ℃燒結溫度大幅降低至900 ℃即可燒結緻密。實驗結果證實以Bi2O3當Fe0.8Ni1Mn1.2O4的低溫助燒結劑，可將其燒結溫度降至900 ℃以符合低溫共燒製程之需求，並且仍呈現良好之熱敏電阻性質。

關鍵字

熱敏電阻 ； 液相燒結

參考文獻

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