Québec, Canada |
E-FAX:(603)375-5806 |
EMAIL:nihadbs@sympatico.ca |
From May 2004: Pratt & Whitney Canada, Materials Engineering/R&D Group, Canada
March 1999 - May 2004: Héroux Devtek Inc. - Landing Gear Division, Engineering/R&D, Canada
February 1998-July 1998 Colorado School of Mines Golden (Colorado), USA
Member of the American Society for Materials International (ASM, USA) since 1988.
Founding member of the Heat treating society (ASM affiliate).
Referred in the 1998-99 edition of the who's who of science and engineering.
Courses and Teaching Materials
Physical Metallurgy (Fe-C diagram, phase transformations, ...) and Metallurgical engineering (Heat treatments, Mechanical testing,...)
Corrosion and protection of metals
Abusive Grinding of High Strength Steels
Barkhausen Noise Inspection of overheated HSS
Surveys - Investigations (Samples)
Performed a survey for the Tunisian Electric and Gas Company (STEG): Damage survey on 316L stainless steel welded tubes, detection of defects due to manufacturing process(1993-1996)
Performed a survey in Power Plants of STEG: Sea water corrosion survey on circulating pumps, characterization of corrosion sites near repaired mold defects (1995)
Performed an investigation for a Tunisian Steel Company: Microstructural and mechanical characterization of end products in order to enhance properties (1989)
Performed an investigation on the rupture of a BA-609 landing gear extension spring during qualification (2000)
Performed an investigation on the rupture of a LJ-45 landing gear shock strut cylinder during certification (2000 )
Performed an investigation on the corrosion of a chrome plated CL-415 landing gear shock strut piston in sea water environment(2002)
Performed an investigation on the rupture of a KC-10 landing gear shock strut cylinder during taxiing(2003)
Performed an investigation on the premature failure of a turbine disk during a qualification test (spin pit test)(2006)
Performed an investigation on cracked 17-4PH stainless steel welded engine case (2007)
Languages
ARCHEOMETALLURGY: Studies and researches with Tunisians archeaologs on ancient metallic artifacts found in ancient sites (punic, roman and arabic periods).
Development of multimedia educational softwares in metallurgical engineering (Fe-C diagram, Arc welding, Mechanical behaviour of materials)
Development of Surface modification processes for the improvement of wear resistance of wrought and Powder Metallurgy tool steels
Development of WC-Co-Cr HVOF coating as hard chrome replacement for landing gear applications
Study of the machinability of a high-strength stainless steel for the replacement of cadmium plated hig-strength low-alloyed steels
Development of PM-Nickel superalloys for gas turbine engine disk applications
Development of High strength-high temperature steels for gas turbine engine mechanical components
Development of nano-Cobalt-Phosphore plating as hard chrome replacement for engine components
Development of WEDM for machining Nickel superalloys turbine disk firtrees slots
Impact of machining (broaching, milling) on the fatigue life of Nickel-superalloy turbine disk
AVAILABLE UPON REQUEST