Fig. 21

Top view of expanded only joints post tube pull-out test, demonstrating a slippage at the joint region. (a) 4% expansion percentage. (b) 6% expansion percentage. (c) 8% expansion percentage.

Top view of expanded only joints post tube pull-out test, demonstrating a slippage at the joint region. (a) 4% expansion percentage. (b) 6% expansion percentage. (c) 8% expansion percentage.