L Bracket joining 2 carbon composite panels 4

[Kakalip]

Just wanted to check what are the views of you guys who has experience of two composite panels in pressure deck area with L bracket which can be metallic or of composite.I wanted to check which will be more useful or valuable to the design and construction ?
I have attached picture for same.

Please do let me know your opinion.

 

[Kakalip]

Free Body of T section