Cold hibernated elastic memory (CHEM) is a smart material technology that uses shape memory polymers in open cellular (foam) structures. CHEM foams are self-deployable and use the foam's elastic recovery plus their shape memory to erect structures. This book describes CHEM self-deployable structure technology, provides basic property data and characteristics, discusses advantages over other deployable structures, and identifies potential space, commercial, and biomedical applications, including medical devices such as stents for use in endovascular treatment of aneurysms, deployable thermal insulation, and self-repairing bumpers.
Dr. Witold Sokolowski has more than 30 years of experience in advanced materials, structures and electronic packaging along with the management of research and technology development work. He has been at JPL/Caltech for more than 20 years working on a variety of different R & D technology programs. In the last 15 years, he has been involved in lightweight advanced deployable structure/aperture technologies. He is a founder and principle investigator of novel, second generation Cold Hibernated Elastic Memory (CHEM) self-deployable structure technology at NASA/JPL. He is an author or co-author of more than 70 publications including papers in leading international reference technical journals, 2 US Patents and 16 NASA Novel Technology Reports (NTR). He has been invited to make chapters contribution in 4 books. He has been elected as a journal referee in several technical/scientific magazines and selected to numerous special technical assignments, professional organization/conference committees and journal peer reviews.
He has served as an advisor and thesis reader to PhD and Master Degree students in smart materials/structures area at Harvard University and other universities. He is a recipient of the Innovation and Improvement NASA Nova Award in recognition of his continued development and conception of new ideas and improvements of advanced space structures.