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Failure Evaluation of a Corroded Flange
Failure Evaluation of an Aluminum Support

 

Client

 

Description

Dow Chemical Company Pittsburg, CA
Conducted inspection, integrity assessment and material compatibility studies for over 50 hazardous waste storage tanks. The project included ultrasonic thickness measurements and structural calculations as well as chemical analysis of contents for compatibility studies
Dupont Company,
Antioch, CA
Conducted an R&D project to determine the compatibility of a special aggregate material. The aggregate was found corrosive to several construction materials due to high chloride levels.
United Technologies,
San Jose, CA
Conducted corrosion review of design and material selection for a new Ammonium Perchlorate facility. Several material changes were made as a result, due to highly explosive and corrosive nature of the material.
New United Motors,
Fremont, CA
Conducted corrosion investigations for submersible pumps and motors at a paint facility. It was determined that the severe corrosion was due to stray current. An impressed current system was recommended to resolve the problem.
City of Marina, CA
Conducted failure analysis and material selection of stainless steel intake pumps for a desalination plant. As a result the pumps were replaced with less expensive epoxy coated carbon steel with CP. The pumps have performed very well since then.
Standard Pacific,
Danville, CA
Conducted investigations for copper pipe corrosion in a large housing development. This was a major research project including litigation support, which lasted for two years.
Hewlett Packard,
Palo Alto, CA
Conducted failure analysis and material selection of stainless steel remediation pumps. It was determined that the material was not according to specifications. In addition the bushings were changed to 17-4 PH grade
United Airlines,
San Francisco, CA
Conducted inspection, integrity assessment and material compatibility studies for several hazardous waste storage tanks. The project included ultrasonic thickness measurements and structural calculations as well as chemical analysis of contents for compatibility studies.
Stanford University,
Stanford, CA
Conducted corrosion investigation of steam lines. Severe corrosion was found under thermal insulation. Recommendations were provided for coating under the insulation.
Campbell Soup Company,
Sacramento, CA
Conducted corrosion investigations of carbon steel cooker chains. Coupons were installed at various parts of the large structure. The source of corrosion was determined to be galvanic corrosion resulting from the stainless steel trays. Also, corrosion of soup cans was investigated and it was found that the chlorine being used for bacteria control caused the corrosion problem. Several recommendations were made to mitigate the problem.



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