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 Expert  108445

Expert in Composite Materials


Available for your Consulting and Expert Witness Needs

Delaware (DE)
USA
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise: Listed with other top experts in: 
Expert has had extensive experience in cost/performance trade studies for the selection of composite materials. These materials use graphite, aramid, glass, and polyolefin fibers with epoxy, vinyl ester, and other thermosetting resins. Expert has knowledge of the structural capabilities, limitations, and processing requirements for composite material systems. He feels that this is essential for determining the product design and life cycle cost. He uses control or modification of the processing parameters to improve performance and reduce variability. Expert has six patents pending in this area. He uses micromechanical methods (Halpin-Tsai and MIL HDBK 17) to predict material properties where required.
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composite core material

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composite material

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fiberglass-reinforced composite

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glass fiber polymer composite

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graphite composite

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polyester laminate

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polymer matrix composite

Expert has successfully designed over 150 composite pressure vessels. This has required the integration of materials knowledge, processing options, and structural analysis. The principal design tools that he uses are netting and laminate theory, which he has used to develop computer codes for the rapid evaluation of proposed designs. He has designed many sandwich laminate structures to reduce cost and weight using foam and honeycomb cores with graphite, aramid, and glass fiber skins. He has several patents pending which relate to composite structures design. Expert also has successfully designed hundreds of fiber-reinforced plastic (FRP) tanks, piping, stacks, and other custom products primarily for the chemical process industry where corrosion resistance and cost are driving factors.
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composite structure design

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design for manufacturability

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sandwich laminate

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structural design

Expert has used finite element analysis to verify design capability of over 200 models. This has involved the use of TEXGAP, NASTRAN, and PATRAN-ABAQUS programs. In a supervisory position, Expert has been responsible for interpreting, evaluating, and determining the validity of FE analyses. He has often used micromechanics theory for material property input. He has also used laminate theory for plate and shell structures to predict resin crazing and to validate FE analysis.
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composite material stress analysis

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micromechanics

Expert has been responsible for the filament winding of hundreds of composite pressure vessels using both prepreg and wet winding materials. He has used fibers consisting of graphite, aramid, glass, and polyolefin. He has used resins which include UV cure epoxy, 250 and 350 degrees F epoxy, and other thermoset resins. Expert has written computer programs for pattern generation and translators to integrate the design codes. He has evaluated fiber path stability and fiber and resin stresses with specialized computer codes. He has five patents pending which are related to composites processing and filament winding.
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composite material processing

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composite-filament winding process

Expert has been involved with many failure analyses of composite structures. These analyses have involved reviewing the design and manufacturing history using laminate, FE, and/or microscopic analyses. Along with this, he has used his knowledge of the capabilities and limitation of many composite material systems. He was heavily involved with redesign efforts for the IR+D programs for other aerospace divisions. He has performed load transfer analyses for patches and repairs to damaged structures. Expert has written many design and analysis computer programs for laminated beams, plates, and shells. These include micromechanics, shear deformation effects, linear and large deformations, and elastic stability calculations.
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composite failure analysis

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composite material failure

Expert managed the design/analysis and composites manufacturing groups for a major aerospace company. He has approximately 15 patents directly related to composite pressure vessels. He has also written computer codes for cylindrical, dome and attachment design/analysis. Expert is also knowledgeable of ASME Section X. He was responsible for the successful design and testing of over 200 composite pressure vessels.
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composite pressure vessel

Expert has experience with tanks (both cylindrical and rectangular) for the chemical processing industry and with design of storage vessels for high pressure fluids including vessels with thermoplastic and metal liners. He is knowledgeable in and an active participant with ASME RTP-1, ASME Section X, and ANSI/ASME B31.3 FRP Pipe committees.

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composite storage vessel

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composite material science


Show Secondary and Basic Areas of Expertise
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Philadelphia, Pennsylvania;  Allentown, Pennsylvania;  Reading, Pennsylvania;  Bethlehem, Pennsylvania;  Lancaster, Pennsylvania;  Trenton, New Jersey;  Camden, New Jersey;  Wilmington, Delaware;  Baltimore, Maryland;  and Alexandria, Virginia.

Often requested
with this expert:

Composite Structures/ Materials
Fiber Reinforced Polymers, Composite Materials, Design, and...
Adhesives for Medical Device, Biotech, Pharmaceuticals,...
High-temperature Composites and Advanced Materials...

Education:
Year   Degree   Subject   Institution  
1985   M.M.A.E.   Mechanical and Aerospace Engineering   University of Delaware  
1982   B.M.E.   Mechanical Engineering   University of Delaware  

Work History:
Years   Employer   Department   Title   Responsibilities

1991 to

 

(Undisclosed Consulting Company)

 

Owner and Principal Engineer

 

(Undisclosed Consulting Company)

 

Expert is an engineering consultant (and has been since 1991) involved with structural design and analysis and expert witness testimony with a specialty in laminated and composite materials. With 18 years' experience in advanced composites and FRP (fiber reinforced plastics), his background spans the marketplace for composites applications. He has assisted hundreds of satisfied clients through the years. These projects ranged from structural design and analysis over a wide range of applications; failure analysis; manufacturing processing (such as filament winding, resin transfer molding, hand lay up, and spray up); materials selection; expert witness testimony in product liability cases; and expert witness testimony in patent dispute cases.

1992 to 2003

 

Composites USA

 

Engineering and QA

 

Manager

 

He was accountable for the design and analysis of fiberglass (FRP) composite structures for the chemical process industry and other structural applications. These products include tanks, pipe, duct, stacks, process vessels, and scrubbers as well as many custom applications. He was responsible for specification writing, sales, marketing, and process development for new applications. He programmed cost estimating spreadsheets that were linked to engineering calculations that led to cost-competitive proposals that increased gross sales and profits. He also provided engineering calculations that allowed Composites USA to quote on projects that were previously not bid.

1985 to 1992

 

Thiokol Corporation

 

Advanced Technology, Elkton, MD

 

Manager

 

Expert was responsible for the output of the Analytical and Composites Groups. The design, analysis, and manufacturing of composite structures were integrated within this department which included designers, engineering analysts, chemists, process engineers, and technicians. Composites design and manufacturing, and thermal, structural, dynamics, and mass properties analyses were provided to support division and corporate programs. He managed three corporate IR&D programs relating to advanced materials and structures that focused on improving performance while reducing costs and lead times. He developed and demonstrated a number of innovative design and manufacturing features to meet specific project requirements on both the division and corporate levels.


Career Accomplishments:
Associations/Societies

Expert is a member of the ASME, ASTM, AIAA, SAMPE, and NACE. He is a former member of the AIAA Technical Subcommittee on Structures.

Licenses/Certifications

He is a Professional Engineer in eight states: Delaware, Pennsylvania, Illinois, Maryland, New York, Virginia, Arizona, and New Jersey.

Professional Appointments

Expert was elected to ASME RTP-1 Design and Fabrication and Section X subcommittees 11/2001. He is an active contributor with regards to elastic instability, micro-mechanics, and failure theories. He has been a member of the ANSI B31.3 / ASME FRP pipe design committee since 11/2000.

Awards/Recognition

He is listed in "Who's Who in Science and Engineering."


Publications:
Publications and Patents Summary

Expert has 21 patent disclosures relating to composite designs and fabrication techniques. 14 patents have been issued with the others subject to DOC export regulations.


Consulting Services:
Selected Consulting Examples:
  • Expert has assisted hundreds of satisfied clients through the years. These projects ranged from structural design and analysis over a wide range of applications; failure analysis; manufacturing processing (such as filament winding, resin transfer molding, hand lay up, and spray up); materials selection; expert witness testimony in product liability cases; and expert witness testimony in patent dispute cases.
Recent Client Requests:
  • Fiberglass composite expert for consulting
  • Expert in underwater turbines for consulting on underwater turbine blade manufacturing.
  • Professional engineer expert in ASME section X for consulting on 14000 psi hydrogen storage tube - steel with hoop wrap composite.
  • Expert in epoxy tubesheets- membrane products.
  • Expert for consulting on composite manufacturing redirection.
  • Expert in market research on industrial maintenance for consulting on UV cure used in Composites.
  • Expert in nanocomposites based on high density polyethyleneas the matrix.
  • Expert on FDA regulations relating to non-drug topical and transferal patches.
  • Expert in formulation chemistry for consulting on dermal patch for cosmetics.
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:
Expert has served as an expert witness in product liability and patent dispute cases.
Recent Litigation Client Requests:
  • Expert in vinyl ester resin for consulting on manufacture of swimming pools.
  • Fiberglass ductwork expert witness for consulting on design and fabrication of fiberglass ductwork.
  • Expert for consulting on Carbonic and graphitic material.
  • Expert in PCB laminate for testimony on a patent litigation case.
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.

Market Research:
At Composites USA he was responsible for specification writing, sales, marketing, and process development for new applications. He programmed cost estimating spreadsheets that were linked to engineering calculations that led to cost competitive proposals that increased the gross sales and profits. He provided engineering calculations that allowed Composites USA to quote on projects that were previously not bid.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

 

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