PROPERTIES AND STRUCTURE OF P-O-N-H GLASSES

被引：19

作者：

BROW, RK

PENG, YB

DAY, DE

机构：

[1] UNIV MISSOURI,DEPT CERAM ENGN,ROLLA,MO 65401

[2] UNIV MISSOURI,GRAD CTR MAT RES,ROLLA,MO 65401

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 126卷 / 03期

关键词：

D O I：

10.1016/0022-3093(90)90824-6

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Phosphorus oxynitride glasses containing up to 17 wt% N and up to 2.5 wt% H were prepared by decomposing NH4H2PO4 in ammonia at 720-degrees-C for various times. In general, glasses with greater N-contents have higher dilatometric softening temperatures, lower thermal expansion coefficients and better aqueous durabilities. X-ray photoelectron spectroscopic analyses reveal that N is chemically incorporated in both P-N-P and P-NHx bonds. The hydrogen species, including -OH groups, depolymerize the glass structure, counteracting the effects of the cross-linking phosphorus-nitride bonds on the glass properties.

引用

页码：231 / 238

页数：8

共 31 条

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