Why does aluminum react exothermically with palladium?

1,896
43
http://en.wikipedia.org/wiki/Pyrotechnic_initiator
Palladium-aluminium

Palladium-clad aluminium wires can be used as a fuse wire, known as Pyrofuze. The reaction is initiated by heat, typically supplied by electric current pulse. The reaction begins at 600 °C, the melting point of aluminium, and proceeds violently to temperature of 2200-2800 °C. The reaction does not need presence of oxygen, and the wire is consumed.
 
Last edited by a moderator:

chemisttree

Science Advisor
Homework Helper
Gold Member
3,023
31
Now THAT's an example of a very exothermic alloying reaction!
 

The Physics Forums Way

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving
Top