////////////////////////////////////////////////NIHAD BEN-SALAH ////////////////////////////////////////////////

Québec, Canada

E-FAX:(603)375-5806

EMAIL:nihadbs@sympatico.ca

 


**Actual position

From May 2004: Pratt & Whitney Canada, Materials Engineering/R&D Group, Canada

Staff Metallurgist

**Summary of Skills

 

**Work Experience

March 1999 - May 2004: Héroux Devtek Inc. - Landing Gear Division, Engineering/R&D, Canada

Chief Metallurgist

February 1998-July 1998 Colorado School of Mines Golden (Colorado), USA

Invited Researcher
Beginning a common research project on the laser hardening of a PM high speed steel, with the Advanced Steel and Processing Research Center at the CSM

November 1982 - September 1998: School of Engineers of Tunis Tunis, Tunisia
Research assistant (1982-84), assistant professor (1984-88), Professor (since 1988)
Teaching and researches in Metallurgy and corrosion engineering in the mechanical engineering Department

Since 1994 School of engineers Tunis, Tunisia
Responsible of the laboratory of Metallurgy & Materials
Leading research programs with steel processing companies on tool steels, damage surveys and R&D program with energy production companies (thermal power plants) on duplex stainless steels
(1 professor, 6 research-assistant professors, 3 researchers, 1 engineer)

1991-92 Institute of technology Nabeul, Tunisia
Vice director
Evaluation of educational programs, supervising faculty and technical staff (over 300 students, 50 assistant-professors and engineers)
 

Education

COMPIEGNE UNIVERSITY OF TECHNOLOGY (Compiegne) / NUCLEAR STUDIES CENTER (Saclay)
FRANCE - 1982/1987
 DSc
 Thesis: Microstructural evolution during thermal fatigue and thermal shocks of cobalt base alloy and cobalt alloyed steel used as hard deposits on hot rolling mills.

UNIVERSITY OF PARIS 11 (ORSAY) / NUCLEAR STUDIES CENTER (SACLAY)
FRANCE - 1980/1982
 PhD
 Thesis: Corrosion resistance of a metallic amorphous alloy, FeCrPC, in sulfuric acid media - Influence of chlorides ions.

**Professional memberships and recognition

 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

 

 

**Research Activities and Interests

 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

**References

AVAILABLE UPON REQUEST

**Publications, conference papers, Teaching Materials, Graduate and Undergraduate Students thesis

 

 


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