Try pywallet https://github.com/jackjack-jj/pywallet with --recover option and small partition with wallet.dat on it

Recently recovered with it my corrupted wallet.dat https://bitcointalk.org/index.php?topic=1404609.0

Just in case - my address 1MwM8z8RZdEFuBx5tcg6YHAvLG1AdGYyT8 

Good luck!