Place image in this area HAZEL Webinar 3
Place image in this area. HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications. 20 th October 2020
Permeation Testing of Polymers with Hydrogen Dr. Andreas Konrad, Dr. Francesco Arena Mecadi Gmb. H, 66450 Bexbach, Germany HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Mecadi Gmb. H-Chemicals/ Processing · · · Core competence: permeation and functional polymers Test laboratory for permeation testing, materials and small parts Full service: testing, calculation models, customer specific test setups Founded 2001, independent, privately financed Small team of specialists, working cross-industry, worldwide Since 2009: located in Germany, Saarland, Bexbach © Mecadi Gmb. H HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Mecadi Gmb. H – Hydrogen Permeation Measurement History 1995 © Mecadi Gmb. H First gas permeation cell (ECT Gmb. H) 1997 2001 © Mecadi Gmb. H 100 bar test cell (FZKA-ICT/CPV) Founding of Mecadi Gmb. H (BIZ Homburg) 2006 2009 © Mecadi Gmb. H Use of Sensistor Hydrogen trace sensor (Linköping, Sweden) Measurement under elongation HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications. 2020 >10000 tests conducted
Hydrogen Permeation – Test Principle air o-ring seal H 2 -containing air permeate side H 2 detector test cell feed side film · · c(H 2) / ppm forming gas / H 2 Cross-flow of forming gas (5 % H 2 in N 2) or H 2 on the feed side H 2 permeates through the leak free film Carrier gas air transports the permeated hydrogen to the sensor Permeation rate is calculated from flow rate and concentration HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Mecadi – Test Cell up to 100 bar © Mecadi Gmb. H HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Permeation Testing under Uniaxial Stretch test sample sealing © Mecadi Gmb. H · Polymer film/composite fixed with clamps (no thickness limit) · Continuous elongation (0 % … 25 %, tensile force max. 1000 kg) · Sealing for measurement after conditioning, integrated test cell and elongation of specimen · Test media: gas or liquid, up to 100 bar, - 80 °C. . . +200 °C HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Low Temperature (-80 °C) under Tensile Stress © Mecadi Gmb. H · Permeation/leakage measurement detects cracks/failure at low temperature · Polymer films can be cooled down ≥ below glass transition point HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Test setup integral leak and permeation testing of small parts, temperature controlled © Mecadi Gmb. H HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
Future Development · · · Testing at high pressure, parts and materials - Investment costs to be covered by customers and funding projects - Cooperation partners needed Lower detection limits for testing needed due to materials improvements and hydrogen barrier coatings - Smaller leakage of setups (internal development) - Increased sensitivity of sensors - Cooperation needed with universities or research institutes Quality improvement - Comparison of methods, standardization - Interlaboratory comparisons HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
References • https: //mecadi. com/en/literature_tools/publications/categorial/Hydrogen_Permeation/TANKTECH • https: //mecadi. com/en/literature_tools/publications/categorial/energy/technologyreport • https: //mecadi. com/en/literature_tools/publications/categorial/symposia/tanktech_2005 • https: //mecadi. com/en/reference-customers-and-projects#Kuraray Contact the speaker: linkedin. com/in/dr-andreas-konrad-3 a 12091 a 3 HAZEL Webinar 3: H 2 Safety, analysis, measurements and applications.
- Slides: 12