STUDY OF THE INTERACTION BETWEEN LIQUID ALUMINUM AND SILICON-NITRIDE

被引:23
|
作者
MOURADOFF, L [1 ]
LACHAUDURAND, A [1 ]
DESMAISON, J [1 ]
LABBE, JC [1 ]
GRISOT, O [1 ]
REZAKHANLOU, R [1 ]
机构
[1] EDF,DIRECT ETUD & RECH,DEPT ETUD MAT,F-77250 MORET SUR LOING,FRANCE
关键词
Aluminum - Aluminum corrosion - Angle measurement - Calculations - Ceramic materials - Chemical vapor deposition - Corrosion resistance - Interfaces (materials) - Liquid metals - Morphology - Sintering - Thermodynamic stability;
D O I
10.1016/0955-2219(94)90006-X
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
The sessile drop method was used to determine the evolution as a function of time and temperature, under vacuum, of the contact angle theta of molten aluminum on two kinds of silicon nitride (SRBSN and CVD-SN). These results are discussed in terms of thermodynamic calculations (stability of a superficial metal oxide layer) coupled with morphological observations and characterization of the ceramic/metal interface. The limited interfacial corrosion and the formation of a protective dense aluminum nitride layer lead to the conclusion that silicon nitride is a good candidate as a corrosion resistant material for the handling or the melting of liquid aluminum.
引用
收藏
页码:323 / 328
页数:6
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