ISSN:
1662-9779
Quelle:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Thema:
Physik
Notizen:
The microstructure and mechanical properties of Ti joints brazed with aZr41.2Ti13.8Ni10.0Cu12.5Be22.5 (at.%) amorphous filler were investigated. With a Zr-based amorphousfiller, in this study, Ti joints with a homogeneous composition could be obtained by heating to wellbelow the α-β transformation temperature for a short time, so that the undesirable effects of the hightemperature heating are considerably diminished. The joints brazed at 790 °C for 10 min consisted ofthe coarse acicular structure rather than the fine Widmanstätten structure which generally deterioratesthe ductility of the joints. The joints with the homogenous coarse acicular structure, i.e. without aresidual liquid region, show almost the same mechanical properties as those required for base metalswithout heating. Although the residual liquid region in the joints deteriorates the ductility of the joints,this region could be successfully removed by a diminution in the quantity of the filler
Materialart:
Digitale Medien
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/24/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.135.131.pdf
