In this paper, transparent polycrystalline spinel is fabricated by sintering or hot pressing highly pure ultra fine spinel powder in vacuum,then hot isostatic pressing (HIP) the sintered body.

• 报道了采用高纯、超细的尖晶石粉末作为起始原料,分别用真空热压烧结和真空烧结结合热等静压法制备各种形状透明多晶尖晶石的技术;