Ti15Mo alloy was subjected to two techniques of intensive plastic deformation, namely high pressure torsion and rotary swaging at room temperature. The imposed strain resulted in the formation an ultrafine-grained structure both deformed conditions. Detailed inspection microstructure revealed presence grains with a size around 100 nm after also contained elongated length up 1 µm. Isothermal age...

Abstract. Rotary swaging is an ascendant forming method for manufacturing axisymmetric parts. High production rate with excellent net shape achieved in recent automation developments. However, precise machine design and tailored process developments are necessary to transfer the high impact type loads workpiece efficiently. The failure of this results vibrations structure poor product quality, ...

The effect of cold swaging and subsequent annealing on the structure mechanical properties a 321-type metastable austenitic stainless steel was studied. Cold to strain 90% produced gradient with gradual decrease in α-phase content from edge center bar. Globular lamellar regions both strain-induced martensite retained austenite were found center, meanwhile, completely globular austenite–martensi...

[*] Dr. Y. Chino Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology Nagoya, 463-8560, Japan E-mail: [email protected] Prof. D. C. Dunand Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois, 60208, USA [**] This research was supported by the US National Science Foundation through gra...