Self-healing Polymers and Composites
The content you've requested is available without charge only to active Sigma Xi members and American Scientist subscribers.
If you are an active member or an individual subscriber, please log in now in order to access this article.
If you are not a member or individual subscriber, you can:
Synthetic materials have been engineered to heal themselves when they crack or break. The authors discuss three main approaches. Some materials contain capsules of healing agents that are broken and released in the presence of damage, and the material contained fills in the cracks. Others have “vascular” systems of tiny tubes that span of the material. Finally there are “intrinsic” healing polymers, which have bonds or phases that are triggered to heal by the damage. The authors discuss the advantages of having a material heal itself only under external stimulus (such as heat or pressure) or automatically. They also look at the structural soundness of materials after they have self-healed.
Connect With Us:
An early peek at each new issue, with descriptions of feature articles, columns, and more. Every other issue contains links to everything in the latest issue's table of contents.News of book reviews published in American Scientist and around the web, as well as other noteworthy happenings in the world of science books.
To sign up for automatic emails of the American Scientist Update and Scientists' Nightstand issues, create an online profile, then sign up in the My AmSci area.
JSTOR, the online academic archive, contains complete back issues of American Scientist from 1913 (known then as the Sigma Xi Quarterly) through 2005.
The table of contents for each issue is freely available to all users; those with institutional access can read each complete issue.
View the full collection here.
Receive notification when new content is posted from the entire website, or choose from the customized feeds available.