Title

Aqueous Processing and Mechanical Properties of PLZT Green Tapes

Abstract

Aqueous tape casting of lanthanum-modified lead zirconate titanate (PLZT) was performed using commercial poly(vinyl alcohol) (PVA) binders and various plasticizers. Colloidal properties of PLZT suspensions containing only polyelectrolyte dispersant were characterized by zeta potential, conductivity, and viscosity measurements. The effects of molecular weight as well as chemical structures of plasticizers and binders on green tapes were investigated by tensile testing. The tapes made from low molecular weight plasticizers showed higher plasticity, and glycerol was found to be the most effective plasticizer for PVA. Strong hydrogen bonding in high hydrolysis PVAs led to green tapes with high strength and high bulk density, but caused deformation of the tapes after drying.

Department(s)

Materials Science and Engineering

Keywords and Phrases

Tape Casting; Lanthanum-Modified Lead Zirconate Titanate (PLZT); Poly(Vinyl Alcohol) (PVA) Binder; Plasticizer; Colloidal Processing; Mechanical Properties

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2000 Elsevier, All rights reserved.

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