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Expert Details

DMA/DMTA testing of composites and polymers. Thermal conductivity/resistivity of most materials.

ID: 730684 United Kingdom

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Since the late 1970s Expert has been using and developing DMA/DMTA and also using other thermal analysis techniques too particularly for testing polymers and composites.
1976 to 1981 with Du Pont Instruments then PL thermal Science from 1981 to 1994. 1995 set up own business selling and developing the new Triton DMA. Have own DMA still.
Many labs offer DMA testing, but few know how to best test a very wide range of materials from very soft silicones to powdery ones. Thin fibers and rigid composites too.
We keep our DMA now in Cambridge with access at 2-3 days notice typically outside the vacation periods in summer and Christmas time. Hence a rapid service can be offered.
We have seen many poor DMA runs over the years and know how best to optimize the conditions whatever the sample size or form from a few milligrams upwards. We also offer DSC testing
but this is usually 1000 times less sensitive than DMA, and TGA-MS to identify the gases given off on over-heating or in a fire situation. In addition to our own newish DMA we support still the
old PL/Rheometrics DMTAs which were last made in the mid 1990s - and have an exhaustive stock of spare parts for these almost obsolete systems. There are still dozens of these in use
today out of hundreds sold worldwide over the years


Since the mid 1990s Expert has been working with Lasercomp Inc of the USA who makes thermal conductivity apparatus used by the National Physical Lab in UK and Oak Ridge lab in
Tennessee USA amongst well over a thousand other users around the world. He runs his own lab here in the UK with 4 or 5 apparatus at any one time covering the T range from 0C to 250C so
has even worked for some major US organizations whose own labs cannot cover this wide T range.

Most materials tested have been polymeric or composite or vacuum panels but we can also test liquids, gels, fibrous mats etc. We cannot test copper or gold, but the less conductive metals
such as stainless steel, aluminum and all ceramics too. He tests to Iso 8301, ASTM C518, DIN52612 and many other international standards, so has built up an expertise over many years.
Also in the UK we rent out such apparatus and supply the Lasercomp systems for sale too. Service support is supplied as well for these very reliable apparatus that are often used for more than 10 years without major overhaul.


Education

Year Degree Subject Institution
Year: 1972 Degree: MA Subject: Engineering Science Institution: Oxford University, UK

Work History

Years Employer Title Department
Years: 1995 to Present Employer: Undisclosed Title: Consultant Department:
Responsibilities:
He tests material for themal and mechanical properties in own lab.
Years Employer Title Department
Years: 1981 to 1994 Employer: Polymer Laboratories Ltd Title: Consultant Department:
Responsibilities:
Selling and developing DMA/DMTA and other apparatus and the complete range of thermal analysis products which originated with STanton Redcroft in Wimbledon then Epson.
Years Employer Title Department
Years: 1976 to 1981 Employer: Du Pont UK Ltd Title: Department:
Responsibilities:
Selling gel permeation chromatography apparatus columns and standards and thermal analysis in UK, Eire and Scandinavia.

International Experience

Years Country / Region Summary
Years: 1999 to Present Country / Region: North America Summary: Tested many different materials for various companies in USA in particular.
Years: 1995 to Present Country / Region: Europe Summary: Tested many different materials for various companies in Europe

Career Accomplishments

Associations / Societies
SAMPE
IMechE
Inst of Materials
Soc Chemical industry
Inst of Physics
Awards / Recognition
Queens award for Technology and for Export for the PL DMTA
Publications and Patents Summary
Many articles on DMA and book chapter in RBrown's Physical Testing of Polymers book

Additional Experience

Training / Seminars
Delivered training courses on DMA/DMTA and thermal conductivity testing.
Other Relevant Experience
Reliable and cost-effective and hard working.

Language Skills

Language Proficiency
French He has lectured in FRance and sold apparatus there.
German
Spanish

Fields of Expertise

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