Resources and Articles

Internet 

The Fabricator
http://www.thefabricator.com

Book

"Formability II Handbook"
http://www.iperf.org/form2.html
 
"Acoustical Uses for Perforated Metal"
http://www.iperf.org/literature.html
 
"Riverbank Handbook"
http://www.iperf.org/riverbank.html

"EMI Shielding Effectiveness of Perforated Metals"
http://www.hendrickmfg.com/tec/emi.asp

"Elastic Properties of Perforated Metals "
http://www.hendrickmfg.com/tec/elp.asp

"Perforated Materials - Strength of Perforated Metals"
http://www.azom.com/details.asp?ArticleID=1469
 
"Improving Perforated Die Performance: The Effects of Stress, Clearance, Material"

http://www2.thefabricator.com/Articles/Stamping_Article.cfm?ID=549
 
"Acoustical Uses for Perforated Metals Theory"
http://www.diamondman.com/theory.html