The variable polarity plasma arc welding process
Subtitle: mathematical model of welding system : final report
By: prepared by R.J. Hung.
Contributors: United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-192435.; NASA contractor report -- NASA CR-192435.
Publisher: University of Alabama in Huntsville; National Aeronautics and Space Administration
Published: 1992
Place of publication: Huntsville, Ala; [Washington, DC
Language: eng
Format: Microform
Subjects: Plasma arc welding -- Mathematical models.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 93-1093-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 2 microfiches.