... of ions from the surface. nitinol zirconia metal matrix composites powder metallurgy nano-indention corrosion behavior materials processing mechanical behavior metals ceramics intermetallics microstructure property relationships TiNi based composites have been previously studied...

...Sanjay Kumar Thakur; Khin Sandar Tun; Manoj Gupta The present study reports a unique tensile response of pure aluminum triggered due to the presence of SiC particles at nanolength scale. Al/SiC nanocomposites were synthesized by using energy efficient microwave assisted powder metallurgy route...

... and shrinkage based on the presented model and the related identified parameters are shown in Fig. 9 . 23 08 2007 08 02 2008 09 12 2009 09 12 2009 diffusion injection moulding powder metallurgy segregation sintering metal injection molding defects segregation sintering...

... with a colony-alpha microstructure. The occurrence of nonuniform grain structures (and so-called ALA, or “as large as,” grains) in cast, wrought, and powder-metallurgy superalloys is also discussed. A physics-based model to treat the topology of recrystallization and the evolution of ALA grains...

...S. F. Hassan; M. Gupta Nano- Y 2 O 3 particulates containing ductile magnesium nanocomposites were synthesized using blend-press-sinter powder metallurgy technique followed by hot extrusion. Microstructural characterization of the nanocomposite samples showed fairly uniform reinforcement...

...Gerald T. Cashman A methodology is presented for the preparation of a competing modes fatigue design curve. Examples using extruded and isothermally forged powder metallurgy René 95 are presented. Monte Carlo simulation results are given to identify sample size requirements appropriate...

...Gerald T. Cashman Elevated temperature data for powder metallurgy alloy René 95 generated in vacuum are presented to demonstrate that the life differences observed between surface and internally initiated failures are due to an environmental effect. The transition in behavior from a mode at low...

...Sanjay Kumar Thakur; K. Balasubramanian; Manoj Gupta In the present study, monolithic magnesium, nanosized SiC reinforced magnesium and nanosized hybrid ( Si C + Al 2 O 3 ) reinforced magnesium materials have been synthesized by using powder metallurgy route involving microwave sintering followed...

...R. Narayanasamy; V. Senthilkumar; K. S. Pandey Experiments were carried out to evaluate the hot forging features in the high-strength sintered Powder Metallurgy TiC composite steel performs under different stress states, namely, plane and triaxial stress. Cylindrical compacts with aspect ratios...

... to the combined effects of densification and cold working 1 2 . Powder Metallurgy (P/M) is sometimes the only manufacturing method which can be used for some materials such as porous materials, composite materials, refractory metals and special high duty alloys. The P/M processes employed to produce...

... June 17, 2003. Associate Editor: A. Pelegri and A. Karlsson. 10 January 2003 17 June 2003 22 09 2003 hardness melting scanning electron microscopy laser hardening density powder metallurgy sintering surface phase transformations transformation toughening iron alloys...

...Assimina A. Pelegri; Anette M. Karlsson 22 09 2003 carbon fibre reinforced plastics joining processes fracture mechanics failure (mechanical) powder metallurgy aluminium silicon compounds optimisation laminates fracture toughness indentation This special issue...

... in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY . Manuscript received by the Materials Division July 30, 1999; revised manuscript received February 19, 2001. Associate Editor: H. ZBIB. 30 July 1999 19 February 2001 04 04 2003 cermets powder metallurgy sintering stress analysis...

... November 19, 1999; revised manuscript received January 15, 2001. Associate Editor: A. M. Rajendran. 19 November 1999 15 January 2001 hot pressing finite element analysis densification forming processes powder metallurgy austenitic stainless steel Derivative Based Approach...

... MATERIALS AND TECHNOLOGY . Manuscript received by the Materials Division September 2, 1999; revised manuscript received September 19, 2000. Associate Technical Editor: A. Rajendran. 02 September 1999 19 September 2000 powder technology powder metallurgy densification cermets...

...Stuart Barnes; Michael J. Nash; Moh. H. Lim A new free-machining additive, MnX, has been reported to improve the machining performance of ferrous powder metallurgy (PM) materials. This work investigated this claim by comparing the performance of three otherwise identical PM materials containing...