fnctId=bbs,fnctNo=17241 RSS 2.0 4 number of counts search postings 제목 작성자 list of postings Measurement equipment for verification of hydrogen embrittlement prevention design 작성자 함혜주 inquiry 108 file 0 date 2022.07.13 Necessity - Prevention of cracking and propagation caused by hydrogen embrittlement in liquid hydrogen environment - Comprehensive measuring equipment that can be quantitatively evaluated to prevent material performance degradation and rapid crack growth due to hydrogen embrittlement - Evaluation of hydrogen loading according to hydrogen embrittlement prevention and reduction design Test items (Utilization plan) - Hydrogen penetration test for test specimens applied in a hydrogen environment - Material performance evaluation in connection with the liquid hydrogen environment integrated test facility SpecificationDivisionTester capacitySpecimen sizeInternal chamber sizeHigh-pressure hydrogen charging facility700bar or more (~room temperature)ANSI/CSA CHMC 1All material unit test specimens300mmD (Spherical type)Electrochemical hydrogen charging facility10V / 10A (8 channels)(ISO 16573)All material unit test specimensNo restrictions (Beaker size)Hydrogen loading amount measurement equipmentHeat up to 800˚CNo restrictionsSmall equipment available(depending on inner chamber size)[Inquiry on Equipment] junhlee@pusan.ac.kr Testing insulation/composite for storage/supply of liquid hydrogen environment 작성자 함혜주 inquiry 98 file 0 date 2022.07.13 Equipment Necessity - Identify ultra-low temperature characteristics of non-metallic materials for the development and selection of insulation for liquefied hydrogen environments - Evaluate the safety of valves operated in a liquid hydrogen environment in an ultra-low temperature environment - Evaluate the cracking and fracture behavior of composite in ultra-low temperature environments Test items (Utilization plan) - Evaluation of static/dynamic performance under room temperature and ultra-low temperature (-253℃) environment - Tensile/compression/bending/shear/fatigue/impact test, etc. - Thermal cyclic, Immersion test, etc. under ultra-low temperature environments SpecificationDivisionTester capacitySpecimen sizeInternal chamber sizeChamber-mounted fatigue tester100kN25mmB×250mmL(ASTM D 3039)250mmD×700mmHChamber-mounted impact toughness tester 1800J10mmB×12.7mmH×125mmL(ASTM D6110)20mmBD×60mmL(Disposable Styrofoam chamber)Ultra-low insulation performance evaluation testerInsulation performance assessment200mmD×30mmT(ASTM C1774)180mmD×300mmH[Inquiry on Equipment] junhlee@pusan.ac.kr Testing steel for storage/supply of liquid hydrogen environment 작성자 함혜주 inquiry 98 file 0 date 2022.07.13 Equipment Necessity - Understand the ultra-low temperature characteristics of the applied steel for the development of a liquefied hydrogen storage/supply system mounted on hydrogen fuel cell propulsion ships - Investigate the non-linear phenomenon of steel expressed in ultra-low temperature environments - Evaluate the crack propagation and fracture behavior of steel in ultra-low temperature environments Test items (Utilization plan) - Evaluation of static/dynamic performance under room temperature and ultra-low temperature (-253℃) environment - Tensile/compression/bending/shear/fatigue/impact test, etc. - Thermal cyclic, Immersion test, etc. under ultra-low temperature environments SpecificationDivisionTester capacitySpecimen sizeInternal chamber sizeChamber-mounted static tester1000kN7mmD×35mm(Gauge) (ASTM E1450)200mmD×700mmHChamber-mounted fatigue tester500kN- 32mm×31mm(FCGR, E647)- 6mm×74mm (Fatigue, E466)300mmD×800mmHChamber-mounted dynamic tester5bar, 103/s4mmD×16mm(Gauge) (ASTM E8)200mmD×1000mmH(Dynamic stroke 250mm) [Inquiry on Equipment] junhlee@pusan.ac.kr Integrated facility in hydrogen environment 작성자 함혜주 inquiry 79 file 0 date 2022.07.13 Metallic Material - Role : Ultra-low temperature steel semi-static-fatigue-high-speed load performance evaluation - Capacity : 1MN (static), ±500kN (fatigue), 103/s (high speed) Composite Material - Role : Evaluation of ultra-low temperature composite insulation performance and fatigue-impact performance - Capacity : -253℃ (heat conduction), ±100kN (fatigue), 50J (impact) H2 Charging - Role : High-pressure and electrochemical hydrogen injection and charged hydrogen analysis - Capacity : Hydrogen pressure 300bar (subject to materials and equipment)[Inquiry on Equipment] junhlee@pusan.ac.kr beginning 1 end 처음 끝