David Pacheco
Twin
Rio De Janeiro, Rio de Janeiro, Brazil

About David Pacheco

David Pacheco works as Engineering Consulting at Several Companies and is based in Rio De Janeiro, Brazil. David studied Master of Science (ME-Mechanical Engineering) at Zakir Husain College Of Engineering And Technology (1975-1977). On Youth4work, David has taken skill tests in Welding (rank 371 of 4,385, top 9%) and Mechanical Engineering (rank 25,353 of 92,808, top 28%). David also lists talents in Research and Development, Creative Development, Radio Advertising and Heat Treatment.

Talents
    • Radio Advertising
      ... among ... users in Rio De Janeiro
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      among … users worldwide
    • Sheet Metal Worker
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      among … users worldwide
    • Training Skills
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    • Vehicle Mechanic
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      among … users worldwide
Professional Path
Engineering Consulting
Several Companies Part Time
Jan-1982 To present 44 years 8 months
  • Industrial processes; Welding processes and procedures; Brazing; Heat treating of steel components; Autoclaves and Pressure vessels inspection; Failure analysis (several cases); Metallurgical quality of metals; Training and qualification of welders; Development of welding processes; Mechanical testing of components; Fatigue testing; Heat treatments of cutting tools; Maintenance techniques; Robotic Tig welding (washing-machine); Mig welding (aluminum transformers); Automatic SAW (gas bottles); Automatic Mag (gas bottle); Manual Mag (steel transformers); MMA (diesel tank); Repairing welding (several components); Resistance and seam welding (thin sheets); Brazing training and practices; Metallography; Scanning eletron microscopy; Automotive mechanics; Engines recovery (Diesel and Otto); Maitenance of heavy machines; Private researches
  • My Copyrights (Brazil): welding; brazing; heat treating of steels; maintenance techniques; inspection techniques; failure mechanism SS AISI 316; brazing; failure mechanisms (brazing joints); private papers.
Inspection and maintenance of equipments
Petrobras Full Time
Nov-1978 To Dec-1982 4 years 1 months
  • Maintenance on shore and offshore
Qualifications

Zakir Husain College Of Engineering And Technology

Master of Science Mechanical Engineering

1975-1977

60%

My Work
Restoration of Antique Sewing Machine
Blog February, 18 2018

Restoration of Antique Sewing Machine

Restoration of old sewing machines requires talents and mechanic skills because several parts need to be reclaimed or manu- factured. This example represents the 12th ...

David Pacheco David Pacheco
Fatigue Tension Test at -196° C - Fatigue Specimen
Blog September, 26 2017

Fatigue Tension Test at -196° C - Fatigue Specime...

Austenitic Stainless steel AISI 316; Frequency of 120 Hz; 30 million cycles; Stages I and II of brittle fracture; Stage III of the ductile fracture did not occur. In t...

David Pacheco David Pacheco
Mig Aluminum - Welder Qualification Test
Blog September, 26 2017

Mig Aluminum - Welder Qualification Test

Aluminum alloy. Mig welding parameters and procedures defined before the qualification test. After the test, weld beads without defects. Welder approved and qualified....

David Pacheco David Pacheco
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Extra-Curricular Interests
Fotography; Sewing; Gardening; Writing; Reading; Backgammon (game); Cinema; Electrician; Hydraulics; Antiquities restoration; Sewing mechanic; Vehicles mechanic; Voluntary teaching
My Story
Mechanical and Welding engineer, MSc; Materials and Metallurgical engineer; Failure Analysis Expertise; Heat Treatments; Training; industrial research and development. I perform engineering consultancy works through the internet even in real time ([email protected]) or using Whatsapp 55 24 993050689
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