并置
发表于 2025-3-28 14:53:24
,Amerika als unentbehrliche Führungsmacht,es developed decades ago. The best example is the so-called Split Hopkinson Pressure Bar (SHPB) which has proved extremely useful but has important intrinsic limitations due to the stringent assumptions required to process the test data. The recent advent of full-field deformation measurements using
BIBLE
发表于 2025-3-28 20:15:56
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中和
发表于 2025-3-29 02:06:37
Aufbau und Eigenschaften der Materie,l clarity at a low weight and cost. Quasi-static tensile experiments for plastics are traditionally performed following ASTM method D638. However, the same standard specimen geometry cannot be used for high rate characterization on a tensile Kolsky bar due to its long gage length and gripping method
IVORY
发表于 2025-3-29 04:16:12
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中和
发表于 2025-3-29 08:14:57
Ekkehard Heinemann,Andreas Strohmeierhe improvements in material manufacturing processes, more and more composites and polymers have replaced high strength materials. Composite and polymer materials were best known for their light weight, and good mechanical strength. Now, they have been widely used in tooth filling materials. In this
Intruder
发表于 2025-3-29 14:44:30
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埋葬
发表于 2025-3-29 17:38:15
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Capitulate
发表于 2025-3-29 21:22:50
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RADE
发表于 2025-3-30 03:36:38
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无法治愈
发表于 2025-3-30 07:37:07
Ursula Feist,Hans-Jürgen Hoffmannied. Cubic specimens 20 and 30 lb/ft. nominal densities were subjected to shock loading using a single diaphragm shock tube apparatus. Full field displacements and strain fields are obtained with the use of stereo high speed cameras in conjunction with the 3D digital image correlation technique. Sim