Clarke, Jo Ann Marie2006-07-282006-07-2819981998http://hdl.handle.net/10012/228application/pdf6951135 bytesapplication/pdfenCopyright: 1998, Clarke, Jo Ann Marie. All rights reserved.Harvested from Collections CanadaColumnar-to-equiaxed grain transition in gas tungsten arc welds in aluminum-copper alloysDoctoral Thesis