[28p-A3-1~17] 16.1 Fundamental properties and their evaluation in disordered materials

[28p-A3-7] Homogeneity Evaluation of Ultra-Low Expansion Ceramics by the Ultrasonic Microspectroscopy Technology

^○Yuji Ohashi¹, Jun-ichi Kushibiki¹, Mototaka Arakawa¹, Shun Sasaki², Mabito Iguchi² (Tohoku Univ.¹, Nihon Ceratec²)

Keywords:超低膨張セラミックス、超音波マイクロスペクトロスコピー技術、縦波音速