A new kind of boron nitride based shell mold used for investment casting titanium alloys was fabricated and the reaction between it and Ti-Ni alloy was investigated.

• 摘要研究了一种新型钛合金精密铸造用型壳-氮化硼基复合型壳及其与钛镍合金的界面反应和反应层的形成机制。