Christopher B. Smith

The use of friction stir processing to locally modify the microstructure to enhanced formability has the potential to alter the manufacturing of structural shapes. There is enough research to put together a short monograph detailing the fundamentals and key findings. One example of conventional manufacturing technique for aluminum alloys involves fusion welding of 5XXX series alloys. This can be replaced by friction stir welding, friction stir processing and forming. A major advantage of this switch is the enhanced properties. However qualification of any new process involves a series of tests to prove that material properties of interest in the friction stir welded or processed regions meet or exceed those of the fusion welded region (conventional approach). This book will provide a case study of Al5083 alloy with some additional examples of high strength aluminum alloys.

God's Island is a finely-veiled parody of church life, as many people experience it. Satirical and humourous, it comes from the heart of one who has lived on "God's Island" for sixty seven years. Here is a look at the self-imposed banishment of the Church that hides from the world the magnificent treasures committed to her. As Paul says: "We have this treasure in earthen vessels." What a beautiful simile: treasures hidden in terracotta pots. Isn't it time the world saw the real beauty of the Church instead of the crackpots? And shouldn't we get out more, and give the world a look at what the Church has to offer instead of keeping it locked up? We've spent far too long on God's Island. "I am just finishing "God's Island". I love it. You've hit the nail on the head " - Pastor, New York City, USA.