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 Expert  725266

Expert in Metallurgy, Tribology, Corrosion, Failure Analysis (Fatigue, Fracture, Wear, etc.), Legal Support

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

Expert has has worked extensively in the field of corrosion. He has taught a senior level college courses on the subject, performed fundamental research with published findings and he has testified in court as to the effect corrosion has on failure of metal components. His primary focus is in atmospheric corrosion of ferrous and non-ferrous metals. He also has expertise in corrosion's influence on mechanical properties, such as corrosion fatigue, stress corrosion cracking, erosion corrosion and tribological corrosion.




Expert is qualified as an expert in both civil and criminal court. He has testified for both the defense and plaintiff. One example involved a triple vehicular homicide where the defendant was accused of gross negligence when a horse was ejected from a trailer he was towing and killing the three people riding in the car behind him. The case stemmed from the corrosion and overall poor condition of the trailer. Expert represented the District Attorney on this particular case.

expert witness

The core of Expert's consulting practice involves determining the root cause failure analysis of a variety of engineering components. He has worked on over 100 projects ranging from medical devices to 320 mm journal bearings in natural gas fired engines. Additionally, he taught the failure analysis series while a professor of Materials Engineering.

metal failure analysis


nonferrous metal failure analysis


steel failure analysis


root cause failure


legal support

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Bakersfield, California;  Salinas, California;  Ventura, California;  Santa Barbara, California;  and Santa Maria, California.

Year   Degree   Subject   Institution  
1997   Ph.D.   Materials Science & Engineering   Oregon Health Science University  
1993   B.S.   Materials Engineering   California Polytechnic State University, San Luis Obispo  

Work History:
Years   Employer   Department   Title   Responsibilities

2006 to


(Undisclosed University)





Run all aspects of consulting business: obtain new clients, advertise, web development, execute projects, generate reports, testify in court, etc.

1997 to


(Undisclosed University)


Physics and Chemistry




Teach undergraduate students physics and chemistry (teach in 2 departments). Both lectures and labs are taught and are focused on first year curriculum.

1999 to 2006


(Undisclosed University)


Materials Engineering


Assistant Professor


Teach undergraduate and graduate courses in Materials Engineering, develop research program and produce publications, develop curriculum, engage in assessment, committee assignments, student advising, etc.

1997 to 1999


Quantum Corporation


Advanced Technology & Design


Design Engineer / Tribologist


Develop and test hydrodynamic bearings for use in disc drive motors, assess wear and degradation of materials, advise other engineers in metallurgical design parameters

1993 to 1997


Oregon Health Science University


Materials Science and Engineering


Graduate Student


Research and develop self lubricating metal coatings using plasma spray as a means of metal deposition onto a surface. Coating were tested in severe rolling /sliding environments to assess wear and friction behavior compared to baseline materials

Career Accomplishments:


Professional Appointments

Reviewer Metallurgical and Materials Transactions Reviewer for National Science Foundation


Eagle Scout

Medical/Professional Internships

He received fellowships to work at the Jet Propulsion Laboratory for 2 summers ( '02 & '03)

Publications and Patents Summary

He has 12 publications in the area of materials engineering and failure analysis. He has given over 50 technical presentations on various topics within materials engineering

Selected Publications and Publishers  
 - El Sevier, Wear  
 - Journal of Failure Analysis and Prevention, ASM International  
 - Journal of Thermal Spray Technology, ASM International  

Government Experience:
Years   Agency   Role   Description
1999 to   Cal Poly State University   Professor / Lecturer   He was a professor of Materials Engineering for 7 years, before starting his consulting business. He is currently a part lecturer in both the Physics and Chemistry Department.
2003 to 2003   NASA / Jet Propulsion Laboratory   Visiting Scholar   As a summer scholar he investigated the morphology of quantum dots using an Atomic Force Microscope. The quantum dots were a proposed method of detecting life on future Mars missions
2002 to 2002   NASA / Jet Propulsion Laboratory   Visiting Scholar   As summer scholar he developed a method to measure friction and wear of components in a partial vacuum(Martian) environment

Consulting Services:
Selected Consulting Examples:
  • Following the death of three motorists whose vehicle was struck by a horse that fell out of a trailer Expert was retained by the District Attorney's office to investigate the cause of the accident. The failure of the trailer door allowing the horse to be ejected was due in part to poor maintenance but mainly by metal fracture and corrosion of the door hinges. The case went to trial where Expert testified on behalf of the prosecution, describing the overall poor condition of the trailer and the fundamental causes of the metal failure / fracture.
  • Large journal bearings from a natural gas fired engine were failing prematurely. The failures were particularly challenging as within an engine only some bearings would fail and the specific location (center, front, etc.) of the bearing did not influence the failure. After analysis of the lubricant and design of the engine it was determined the lubricant was breaking down prematurely and wear particles and corrosion were further attacking the bearings. A more vigorous oil analysis
  • A cauterizing tool used in heart bypass surgery was binding during normal use. This binding didn't prevent the tools operation, but was alarming to the surgeons using it. Disassembly of the unit revealed wear between components and lack of lubrication in key locations. Any design changes were very limited due to FDA protocols. As such, the solution came in slight changes of contact points and lubricating method. Additionally, surface treatment of some materials allowed
  • While operating a gas powered lawn edger a shaft broke allowing the main blade to be ejected and subsequently striking the operator in the face causing severe injury. Expert was retained by the blade manufacturer's counsel to investigate why the shaft broke. Working with plaintiff's experts and another defense expert it was mutually concluded that the shaft failed due to torsional fatigue which was exacerbated by repeated shock loading (striking the concrete).
  • Following a significant oil spill at a local refinery, Expert was contacted by the company to assess the cause of the leak and evaluate the corrosion damage of several components. After investigation it was determined poor maintenance couple with employee sabotage was the cause of the spill.
Recent Client Requests:
  • Expert in steel failure analysis bakersfield for consulting on Failure Analysis - Steel Fatigue and Fracture.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Qualified as an expert in both criminal and civil court. Testimony experience in deposition and trial
Recent Litigation Client Requests:
  • Metal corrosion expert for consulting on a civil litigation regarding damage caused by a burst water main.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1998 to 1998   Japan   While working for Quantum Corporation (hard disk drive manufacturer) he was assigned to Japan to solve a critical solder failure occurring in read / write heads. The failure was significant as it prevented mass production implementation. The solder failure stemmed from contamination and inadequate heating during the process. Brittle intermetallics were forming in the solder joints that exacerbated the problem. After analyzing the process of four vendors a solution was determined and a standard method was implemented

Additional Skills and Services:

As a professor of materials engineering over a dozen courses and labs were developed that ranged from freshman to graduate level


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