Osteons
发表于 2025-3-30 09:09:53
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把…比做
发表于 2025-3-30 15:43:17
Acoustic Emission Analysis for Assessment of Damage Kinetics of Short-Glass Fibre-Reinforced Thermoptics as well as damage mechanisms under specific conditions. The AE analysis is linked to release of stored elastic energy, which propagates as spherical volume wave in the material. In this work, short-glass fibre-reinforced thermoplastic materials were examined in the quasi-static tensile test in
Madrigal
发表于 2025-3-30 20:11:25
The Fractography as a Tool in Failure Analysis—Possibilities and Limitsorming failure analysis. By application of standardized fracture surface structures, the location of crack initiation and the direction of crack growth can be determined. Furthermore, the influence of temperature, type of loading, loading speed or stress due to media on the plastic product can be de
Urgency
发表于 2025-3-30 22:59:59
Slow Crack Growth of Polyethylene—Accelerated and Alternative Test Methodsmaterial suppliers took a lot of effort into the improvement of PE materials leading to highly stress cracking resistant grades (e.g. PE 100-RC). This advantage in application unfortunately causes problems in material testing: As testing times become longer, highly resistant grades cannot be charact
Notorious
发表于 2025-3-31 02:46:16
Polypropylene for Pressure Pipes—From Polymer Design to Long-Term Performance is necessary, as well as the right analytical tools to assess the final properties. The effect of crystallisation conditions, polymorphism and processing on the impact resistance of some nucleated pipe grades was studied. A dependency between polymorphism, process conditions and final pipe properti
消毒
发表于 2025-3-31 06:28:59
Lifetime of Polyethylene (PE) Pipe Material—Prediction Using Strain Hardening Test-based tests of the pipe materials. Nowadays, several accelerated tests are available: PENT (Pennsylvania Edge Notch Tensile Test), FNCT (Full Notch Creep Tensile Test), CRB (Cracked Round Bar Test) or SHT (Strain Hardening Test) and NCBT (Notched Cylindrical Bars Test). The PENT, CRB and SHT were a
无法破译
发表于 2025-3-31 10:25:44
Influence of Welding and Composition on the Short-Term Stable Crack Propagation Through Polyolefin Solyolefin materials were investigated using concepts of elastic–plastic fracture mechanics including the crack propagation kinetics. The effect of specimen shape, orientation, welding and lading rate on the crack resistance (R) behaviour of these materials has been thereby assessed. It was found in
骑师
发表于 2025-3-31 17:11:20
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繁荣地区
发表于 2025-3-31 20:24:38
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incarcerate
发表于 2025-3-31 22:46:26
Time-Dependent Fracture Behaviour of Polymers at Impact and Quasi-Static Loading Conditionse that occur inside the particles or the minor phase, or near interfaces. That means that the CTOD rate is not affected by the glass fibre fraction or the particle distance. Furthermore the CTOD rate is not influenced by the temperature (polycarbonate) and proportional to the loading speed (PP mater