本研究主要在開發高抗還原能力之無鉛織構化壓電陶瓷(Ba,Ca)(Ti,Sn,Hf)O3+2mol%Li2CO3+2mol%MnCO3摻雜片狀優選取向模板BaTiO3 (BCTSHML+BT template)，成功使用沿流成型法堆疊層壓，置於大氣中低於1300˚C燒結溫度製備出<001>方向高取向性陶瓷，Lottgering factor值最高達93%，添加3wt%BT模板壓電特性d33 = 384 pC/N、-d31=160(pC/N)，並研究了奧斯瓦爾德熟成過程與晶粒模板成長對應的微結構，發現AGS從2.8µm上升到4.69µm，陶瓷密度也從原本的5.73上升到5.97，這對於絕緣阻抗有很大的幫助。本實驗利用Mn2+離子取代Ti4+離子提高在還原氣氛下的抗性，而後進一步研究了織構化在低氧分壓下PO2:10-8的壓電、介電特性，發現抗還原能力較隨機取向高，且在低氧分壓下Qm從308上升到452，d33 = 324 pC/N、-d31達122 pC/N、電阻率還保有 3.04 (GΩ×cm)。還原氣氛中燒結織構化陶瓷具有高d31與Qm適合應用於超音波馬達元件，在120Vp-p左推速0.4 mm/s、右推速達0.5mm/s，推力約0.4N，能夠使商業化1ml針筒精準穩定推出1~5單位之胰島素溶液。

This research focuses on the development of lead-free textured piezoelectric ceramics (Ba,Ca)(Ti,Sn,Hf)O3+2mol%Li2CO3+2mol%MnCO3 with high anti-reduction ability. The preferred orientation template BaTiO3 (BCTSHML+BT) template), successfully laminated along the tape casting method, placed in the atmosphere below 1300˚C sintering temperature to prepare the <001> direction highly oriented ceramics, the Lottgering factor value is up to 93%, and 3wt% BT template piezoelectric is added Characteristics d33 = 384 pC/N, -d31=160 pC/N, and the corresponding grain template growth It is found that the AGS has risen from 2.8µm to 4.69µm, and the ceramic density has also risen from 5.73 to 5.97, which greatly helps the insulation resistance. In this experiment, Mn2+ ions were used to replace Ti4+ ions to improve the resistance under reducing atmosphere, and then the piezoelectric and dielectric properties of PO2:10-8 under low oxygen partial pressure were further studied. It was found that the resistance to reduction was more random in orientation. High, and Qm rises from 308 to 452 under low oxygen partial pressure, d33 = 324 pC/N, -d31 reaches 122 (pC/N). The textured ceramic sintered in a reducing atmosphere has high d31 and Qm, suitable for ultrasonic motor components,the thrust is about 0.4N, which can be commercialized The 1ml syringe accurately and stably releases 1~5 units of insulin solution.

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